linear_algebra.affine_space.combination ⟷ Mathlib.LinearAlgebra.AffineSpace.Combination

mathlib commit https://github.com/leanprover-community/mathlib/commit/65a1391a0106c9204fe45bc73a039f056558cb83

@@ -3,8 +3,8 @@ Copyright (c) 2020 Joseph Myers. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
 -/
-import Algebra.Invertible
-import Algebra.IndicatorFunction
+import Algebra.Invertible.Defs
+import Algebra.Function.Indicator
 import Algebra.Module.BigOperators
 import Data.Fintype.BigOperators
 import LinearAlgebra.AffineSpace.AffineMap
@@ -1160,7 +1160,7 @@ theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
 -/
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:641:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:642:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 #print Finset.centroid_eq_centroid_image_of_inj_on /-
 /-- An indexed family of points that is injective on the given
 `finset` has the same centroid as the image of that `finset`.  This is
@@ -1197,8 +1197,8 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
 #align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_on
 -/
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:641:2: warning: expanding binder collection (i j «expr ∈ » s) -/
-/- ./././Mathport/Syntax/Translate/Basic.lean:641:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:642:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:642:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
 #print Finset.centroid_eq_of_inj_on_of_image_eq /-
 /-- Two indexed families of points that are injective on the given
 `finset`s and with the same points in the image of those `finset`s

mathlib commit https://github.com/leanprover-community/mathlib/commit/65a1391a0106c9204fe45bc73a039f056558cb83

@@ -1299,7 +1299,7 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
           Finset.sum_insert_of_eq_zero_if_not_mem Finsupp.not_mem_support_iff.1, add_zero, sub_self]
       use hw
       have hz : w i0 • (p i0 -ᵥ p i0 : V) = 0 := (vsub_self (p i0)).symm ▸ smul_zero _
-      change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz 
+      change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz
       rw [Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero _ w p hw (p i0),
         Finset.weightedVSubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
       change ∑ i in l.support, l i • _ = _
@@ -1328,12 +1328,12 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     ∃ (s : Finset ι) (w : ι → k) (hw : ∑ i in s, w i = 1), p1 = s.affineCombination k p w := by
   classical
   have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
-  rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn 
+  rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn
   cases' hn with i0
   have h0 : p i0 ∈ affineSpan k (Set.range p) := mem_affineSpan k (Set.mem_range_self i0)
   have hd : p1 -ᵥ p i0 ∈ (affineSpan k (Set.range p)).direction :=
     AffineSubspace.vsub_mem_direction h h0
-  rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd 
+  rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd
   rcases hd with ⟨s, w, h, hs⟩
   let s' := insert i0 s
   let w' := Set.indicator (↑s) w

mathlib commit https://github.com/leanprover-community/mathlib/commit/65a1391a0106c9204fe45bc73a039f056558cb83

@@ -550,7 +550,8 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
 #print Finset.attach_affineCombination_coe /-
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
-  classical
+  classical rw [attach_affine_combination_of_injective s w (coe : s → P) Subtype.coe_injective,
+    univ_eq_attach, attach_image_coe]
 #align finset.attach_affine_combination_coe Finset.attach_affineCombination_coe
 -/
 
@@ -659,7 +660,14 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 the affine combination of the other points with the given weights. -/
 theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k} {p : ι → P}
     (hw : s.weightedVSub p w = (0 : V)) {i : ι} [DecidablePred (· ≠ i)] (his : i ∈ s)
-    (hwi : w i = -1) : (s.filterₓ (· ≠ i)).affineCombination k p w = p i := by classical
+    (hwi : w i = -1) : (s.filterₓ (· ≠ i)).affineCombination k p w = p i := by
+  classical
+  rw [← @vsub_eq_zero_iff_eq V, ← hw, ← s.affine_combination_sdiff_sub (singleton_subset_iff.2 his),
+    sdiff_singleton_eq_erase, ← filter_ne']
+  congr
+  refine' (affine_combination_of_eq_one_of_eq_zero _ _ _ (mem_singleton_self _) _ _).symm
+  · simp [hwi]
+  · simp
 #align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one
 -/
 
@@ -701,7 +709,17 @@ theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V}
         v = fs.weightedVSubOfPoint p b w) ↔
       ∃ (fs : Finset s) (w : s → k) (hw : ∑ i in fs, w i = x),
         v = fs.weightedVSubOfPoint (fun i : s => p i) b w :=
-  by classical
+  by
+  classical
+  simp_rw [weighted_vsub_of_point_apply]
+  constructor
+  · rintro ⟨fs, hfs, w, rfl, rfl⟩
+    use fs.subtype s, fun i => w i, sum_subtype_of_mem _ hfs, (sum_subtype_of_mem _ hfs).symm
+  · rintro ⟨fs, w, rfl, rfl⟩
+    refine'
+        ⟨fs.map (Function.Embedding.subtype _), map_subtype_subset _, fun i =>
+          if h : i ∈ s then w ⟨i, h⟩ else 0, _, _⟩ <;>
+      simp
 #align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 -/
 
@@ -1188,7 +1206,9 @@ have the same centroid. -/
 theorem centroid_eq_of_inj_on_of_image_eq {p : ι → P}
     (hi : ∀ (i) (_ : i ∈ s) (j) (_ : j ∈ s), p i = p j → i = j) {p₂ : ι₂ → P}
     (hi₂ : ∀ (i) (_ : i ∈ s₂) (j) (_ : j ∈ s₂), p₂ i = p₂ j → i = j) (he : p '' ↑s = p₂ '' ↑s₂) :
-    s.centroid k p = s₂.centroid k p₂ := by classical
+    s.centroid k p = s₂.centroid k p₂ := by
+  classical rw [s.centroid_eq_centroid_image_of_inj_on k hi rfl,
+    s₂.centroid_eq_centroid_image_of_inj_on k hi₂ he]
 #align finset.centroid_eq_of_inj_on_of_image_eq Finset.centroid_eq_of_inj_on_of_image_eq
 -/
 
@@ -1205,7 +1225,22 @@ variable {ι : Type _}
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
 theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in s, w i = 0) (p : ι → P) :
-    s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by classical
+    s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by
+  classical
+  rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
+  · skip; simp [Finset.eq_empty_of_isEmpty s]
+  · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
+      Finsupp.mem_span_image_iff_total,
+      Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero s w p h (p i0),
+      Finset.weightedVSubOfPoint_apply]
+    let w' := Set.indicator (↑s) w
+    have hwx : ∀ i, w' i ≠ 0 → i ∈ s := fun i => Set.mem_of_indicator_ne_zero
+    use Finsupp.onFinset s w' hwx, Set.subset_univ _
+    rw [Finsupp.total_apply, Finsupp.onFinset_sum hwx]
+    · apply Finset.sum_congr rfl
+      intro i hi
+      simp [w', Set.indicator_apply, if_pos hi]
+    · exact fun _ => zero_smul k _
 #align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpan
 -/
 
@@ -1215,7 +1250,24 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in
 nontrivial. -/
 theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι → k}
     (h : ∑ i in s, w i = 1) (p : ι → P) : s.affineCombination k p w ∈ affineSpan k (Set.range p) :=
-  by classical
+  by
+  classical
+  have hnz : ∑ i in s, w i ≠ 0 := h.symm ▸ one_ne_zero
+  have hn : s.nonempty := Finset.nonempty_of_sum_ne_zero hnz
+  cases' hn with i1 hi1
+  let w1 : ι → k := Function.update (Function.const ι 0) i1 1
+  have hw1 : ∑ i in s, w1 i = 1 := by
+    rw [Finset.sum_update_of_mem hi1, Finset.sum_const_zero, add_zero]
+  have hw1s : s.affine_combination k p w1 = p i1 :=
+    s.affine_combination_of_eq_one_of_eq_zero w1 p hi1 (Function.update_same _ _ _) fun _ _ hne =>
+      Function.update_noteq hne _ _
+  have hv : s.affine_combination k p w -ᵥ p i1 ∈ (affineSpan k (Set.range p)).direction :=
+    by
+    rw [direction_affineSpan, ← hw1s, Finset.affineCombination_vsub]
+    apply weightedVSub_mem_vectorSpan
+    simp [Pi.sub_apply, h, hw1]
+  rw [← vsub_vadd (s.affine_combination k p w) (p i1)]
+  exact AffineSubspace.vadd_mem_of_mem_direction hv (mem_affineSpan k (Set.mem_range_self _))
 #align affine_combination_mem_affine_span affineCombination_mem_affineSpan
 -/
 
@@ -1227,7 +1279,41 @@ if it is a `weighted_vsub` with sum of weights 0. -/
 theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
     v ∈ vectorSpan k (Set.range p) ↔
       ∃ (s : Finset ι) (w : ι → k) (h : ∑ i in s, w i = 0), v = s.weightedVSub p w :=
-  by classical
+  by
+  classical
+  constructor
+  · rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩); swap
+    · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
+        Finsupp.mem_span_image_iff_total]
+      rintro ⟨l, hl, hv⟩
+      use insert i0 l.support
+      set w :=
+        (l : ι → k) - Function.update (Function.const ι 0 : ι → k) i0 (∑ i in l.support, l i) with
+        hwdef
+      use w
+      have hw : ∑ i in insert i0 l.support, w i = 0 :=
+        by
+        rw [hwdef]
+        simp_rw [Pi.sub_apply, Finset.sum_sub_distrib,
+          Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero,
+          Finset.sum_insert_of_eq_zero_if_not_mem Finsupp.not_mem_support_iff.1, add_zero, sub_self]
+      use hw
+      have hz : w i0 • (p i0 -ᵥ p i0 : V) = 0 := (vsub_self (p i0)).symm ▸ smul_zero _
+      change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz 
+      rw [Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero _ w p hw (p i0),
+        Finset.weightedVSubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
+      change ∑ i in l.support, l i • _ = _
+      congr with i
+      by_cases h : i = i0
+      · simp [h]
+      · simp [hwdef, h]
+    · skip
+      rw [Set.range_eq_empty, vectorSpan_empty, Submodule.mem_bot]
+      rintro rfl
+      use∅
+      simp
+  · rintro ⟨s, w, hw, rfl⟩
+    exact weightedVSub_mem_vectorSpan hw p
 #align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSub
 -/
 
@@ -1241,13 +1327,44 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
     ∃ (s : Finset ι) (w : ι → k) (hw : ∑ i in s, w i = 1), p1 = s.affineCombination k p w := by
   classical
+  have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
+  rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn 
+  cases' hn with i0
+  have h0 : p i0 ∈ affineSpan k (Set.range p) := mem_affineSpan k (Set.mem_range_self i0)
+  have hd : p1 -ᵥ p i0 ∈ (affineSpan k (Set.range p)).direction :=
+    AffineSubspace.vsub_mem_direction h h0
+  rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd 
+  rcases hd with ⟨s, w, h, hs⟩
+  let s' := insert i0 s
+  let w' := Set.indicator (↑s) w
+  have h' : ∑ i in s', w' i = 0 := by
+    rw [← h, Finset.sum_indicator_subset _ (Finset.subset_insert i0 s)]
+  have hs' : s'.weighted_vsub p w' = p1 -ᵥ p i0 :=
+    by
+    rw [hs]
+    exact (Finset.weightedVSub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm
+  let w0 : ι → k := Function.update (Function.const ι 0) i0 1
+  have hw0 : ∑ i in s', w0 i = 1 := by
+    rw [Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero, add_zero]
+  have hw0s : s'.affine_combination k p w0 = p i0 :=
+    s'.affine_combination_of_eq_one_of_eq_zero w0 p (Finset.mem_insert_self _ _)
+      (Function.update_same _ _ _) fun _ _ hne => Function.update_noteq hne _ _
+  use s', w0 + w'
+  constructor
+  · simp [Pi.add_apply, Finset.sum_add_distrib, hw0, h']
+  · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
 #align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpan
 -/
 
 #print eq_affineCombination_of_mem_affineSpan_of_fintype /-
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (w : ι → k) (hw : ∑ i, w i = 1), p1 = Finset.univ.affineCombination k p w := by classical
+    ∃ (w : ι → k) (hw : ∑ i, w i = 1), p1 = Finset.univ.affineCombination k p w := by
+  classical
+  obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
+  refine' ⟨(s : Set ι).indicator w, _, Finset.affineCombination_indicator_subset w p s.subset_univ⟩
+  simp only [Finset.mem_coe, Set.indicator_apply, ← hw]
+  rw [Fintype.sum_extend_by_zero s w]
 #align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintype
 -/
 
@@ -1282,6 +1399,16 @@ theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι 
     exact ⟨s, w, s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w p hw (p j)⟩
   · rintro ⟨s, w, rfl⟩
     classical
+    let w' : ι → k := Function.update w j (1 - (s \ {j}).Sum w)
+    have h₁ : (insert j s).Sum w' = 1 := by
+      by_cases hj : j ∈ s
+      · simp [Finset.sum_update_of_mem hj, Finset.insert_eq_of_mem hj]
+      · simp [w', Finset.sum_insert hj, Finset.sum_update_of_not_mem hj, hj]
+    have hww : ∀ i, i ≠ j → w i = w' i := by intro i hij; simp [w', hij]
+    rw [s.weighted_vsub_of_point_eq_of_weights_eq p j w w' hww, ←
+      s.weighted_vsub_of_point_insert w' p j, ←
+      (insert j s).affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]
+    exact affineCombination_mem_affineSpan h₁ p
 #align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd
 -/
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/65a1391a0106c9204fe45bc73a039f056558cb83

@@ -550,8 +550,7 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
 #print Finset.attach_affineCombination_coe /-
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
-  classical rw [attach_affine_combination_of_injective s w (coe : s → P) Subtype.coe_injective,
-    univ_eq_attach, attach_image_coe]
+  classical
 #align finset.attach_affine_combination_coe Finset.attach_affineCombination_coe
 -/
 
@@ -660,14 +659,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 the affine combination of the other points with the given weights. -/
 theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k} {p : ι → P}
     (hw : s.weightedVSub p w = (0 : V)) {i : ι} [DecidablePred (· ≠ i)] (his : i ∈ s)
-    (hwi : w i = -1) : (s.filterₓ (· ≠ i)).affineCombination k p w = p i := by
-  classical
-  rw [← @vsub_eq_zero_iff_eq V, ← hw, ← s.affine_combination_sdiff_sub (singleton_subset_iff.2 his),
-    sdiff_singleton_eq_erase, ← filter_ne']
-  congr
-  refine' (affine_combination_of_eq_one_of_eq_zero _ _ _ (mem_singleton_self _) _ _).symm
-  · simp [hwi]
-  · simp
+    (hwi : w i = -1) : (s.filterₓ (· ≠ i)).affineCombination k p w = p i := by classical
 #align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one
 -/
 
@@ -709,17 +701,7 @@ theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V}
         v = fs.weightedVSubOfPoint p b w) ↔
       ∃ (fs : Finset s) (w : s → k) (hw : ∑ i in fs, w i = x),
         v = fs.weightedVSubOfPoint (fun i : s => p i) b w :=
-  by
-  classical
-  simp_rw [weighted_vsub_of_point_apply]
-  constructor
-  · rintro ⟨fs, hfs, w, rfl, rfl⟩
-    use fs.subtype s, fun i => w i, sum_subtype_of_mem _ hfs, (sum_subtype_of_mem _ hfs).symm
-  · rintro ⟨fs, w, rfl, rfl⟩
-    refine'
-        ⟨fs.map (Function.Embedding.subtype _), map_subtype_subset _, fun i =>
-          if h : i ∈ s then w ⟨i, h⟩ else 0, _, _⟩ <;>
-      simp
+  by classical
 #align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 -/
 
@@ -1206,9 +1188,7 @@ have the same centroid. -/
 theorem centroid_eq_of_inj_on_of_image_eq {p : ι → P}
     (hi : ∀ (i) (_ : i ∈ s) (j) (_ : j ∈ s), p i = p j → i = j) {p₂ : ι₂ → P}
     (hi₂ : ∀ (i) (_ : i ∈ s₂) (j) (_ : j ∈ s₂), p₂ i = p₂ j → i = j) (he : p '' ↑s = p₂ '' ↑s₂) :
-    s.centroid k p = s₂.centroid k p₂ := by
-  classical rw [s.centroid_eq_centroid_image_of_inj_on k hi rfl,
-    s₂.centroid_eq_centroid_image_of_inj_on k hi₂ he]
+    s.centroid k p = s₂.centroid k p₂ := by classical
 #align finset.centroid_eq_of_inj_on_of_image_eq Finset.centroid_eq_of_inj_on_of_image_eq
 -/
 
@@ -1225,22 +1205,7 @@ variable {ι : Type _}
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
 theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in s, w i = 0) (p : ι → P) :
-    s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by
-  classical
-  rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
-  · skip; simp [Finset.eq_empty_of_isEmpty s]
-  · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
-      Finsupp.mem_span_image_iff_total,
-      Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero s w p h (p i0),
-      Finset.weightedVSubOfPoint_apply]
-    let w' := Set.indicator (↑s) w
-    have hwx : ∀ i, w' i ≠ 0 → i ∈ s := fun i => Set.mem_of_indicator_ne_zero
-    use Finsupp.onFinset s w' hwx, Set.subset_univ _
-    rw [Finsupp.total_apply, Finsupp.onFinset_sum hwx]
-    · apply Finset.sum_congr rfl
-      intro i hi
-      simp [w', Set.indicator_apply, if_pos hi]
-    · exact fun _ => zero_smul k _
+    s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by classical
 #align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpan
 -/
 
@@ -1250,24 +1215,7 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in
 nontrivial. -/
 theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι → k}
     (h : ∑ i in s, w i = 1) (p : ι → P) : s.affineCombination k p w ∈ affineSpan k (Set.range p) :=
-  by
-  classical
-  have hnz : ∑ i in s, w i ≠ 0 := h.symm ▸ one_ne_zero
-  have hn : s.nonempty := Finset.nonempty_of_sum_ne_zero hnz
-  cases' hn with i1 hi1
-  let w1 : ι → k := Function.update (Function.const ι 0) i1 1
-  have hw1 : ∑ i in s, w1 i = 1 := by
-    rw [Finset.sum_update_of_mem hi1, Finset.sum_const_zero, add_zero]
-  have hw1s : s.affine_combination k p w1 = p i1 :=
-    s.affine_combination_of_eq_one_of_eq_zero w1 p hi1 (Function.update_same _ _ _) fun _ _ hne =>
-      Function.update_noteq hne _ _
-  have hv : s.affine_combination k p w -ᵥ p i1 ∈ (affineSpan k (Set.range p)).direction :=
-    by
-    rw [direction_affineSpan, ← hw1s, Finset.affineCombination_vsub]
-    apply weightedVSub_mem_vectorSpan
-    simp [Pi.sub_apply, h, hw1]
-  rw [← vsub_vadd (s.affine_combination k p w) (p i1)]
-  exact AffineSubspace.vadd_mem_of_mem_direction hv (mem_affineSpan k (Set.mem_range_self _))
+  by classical
 #align affine_combination_mem_affine_span affineCombination_mem_affineSpan
 -/
 
@@ -1279,41 +1227,7 @@ if it is a `weighted_vsub` with sum of weights 0. -/
 theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
     v ∈ vectorSpan k (Set.range p) ↔
       ∃ (s : Finset ι) (w : ι → k) (h : ∑ i in s, w i = 0), v = s.weightedVSub p w :=
-  by
-  classical
-  constructor
-  · rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩); swap
-    · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
-        Finsupp.mem_span_image_iff_total]
-      rintro ⟨l, hl, hv⟩
-      use insert i0 l.support
-      set w :=
-        (l : ι → k) - Function.update (Function.const ι 0 : ι → k) i0 (∑ i in l.support, l i) with
-        hwdef
-      use w
-      have hw : ∑ i in insert i0 l.support, w i = 0 :=
-        by
-        rw [hwdef]
-        simp_rw [Pi.sub_apply, Finset.sum_sub_distrib,
-          Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero,
-          Finset.sum_insert_of_eq_zero_if_not_mem Finsupp.not_mem_support_iff.1, add_zero, sub_self]
-      use hw
-      have hz : w i0 • (p i0 -ᵥ p i0 : V) = 0 := (vsub_self (p i0)).symm ▸ smul_zero _
-      change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz 
-      rw [Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero _ w p hw (p i0),
-        Finset.weightedVSubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
-      change ∑ i in l.support, l i • _ = _
-      congr with i
-      by_cases h : i = i0
-      · simp [h]
-      · simp [hwdef, h]
-    · skip
-      rw [Set.range_eq_empty, vectorSpan_empty, Submodule.mem_bot]
-      rintro rfl
-      use∅
-      simp
-  · rintro ⟨s, w, hw, rfl⟩
-    exact weightedVSub_mem_vectorSpan hw p
+  by classical
 #align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSub
 -/
 
@@ -1327,44 +1241,13 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
     ∃ (s : Finset ι) (w : ι → k) (hw : ∑ i in s, w i = 1), p1 = s.affineCombination k p w := by
   classical
-  have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
-  rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn 
-  cases' hn with i0
-  have h0 : p i0 ∈ affineSpan k (Set.range p) := mem_affineSpan k (Set.mem_range_self i0)
-  have hd : p1 -ᵥ p i0 ∈ (affineSpan k (Set.range p)).direction :=
-    AffineSubspace.vsub_mem_direction h h0
-  rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd 
-  rcases hd with ⟨s, w, h, hs⟩
-  let s' := insert i0 s
-  let w' := Set.indicator (↑s) w
-  have h' : ∑ i in s', w' i = 0 := by
-    rw [← h, Finset.sum_indicator_subset _ (Finset.subset_insert i0 s)]
-  have hs' : s'.weighted_vsub p w' = p1 -ᵥ p i0 :=
-    by
-    rw [hs]
-    exact (Finset.weightedVSub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm
-  let w0 : ι → k := Function.update (Function.const ι 0) i0 1
-  have hw0 : ∑ i in s', w0 i = 1 := by
-    rw [Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero, add_zero]
-  have hw0s : s'.affine_combination k p w0 = p i0 :=
-    s'.affine_combination_of_eq_one_of_eq_zero w0 p (Finset.mem_insert_self _ _)
-      (Function.update_same _ _ _) fun _ _ hne => Function.update_noteq hne _ _
-  use s', w0 + w'
-  constructor
-  · simp [Pi.add_apply, Finset.sum_add_distrib, hw0, h']
-  · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
 #align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpan
 -/
 
 #print eq_affineCombination_of_mem_affineSpan_of_fintype /-
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (w : ι → k) (hw : ∑ i, w i = 1), p1 = Finset.univ.affineCombination k p w := by
-  classical
-  obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
-  refine' ⟨(s : Set ι).indicator w, _, Finset.affineCombination_indicator_subset w p s.subset_univ⟩
-  simp only [Finset.mem_coe, Set.indicator_apply, ← hw]
-  rw [Fintype.sum_extend_by_zero s w]
+    ∃ (w : ι → k) (hw : ∑ i, w i = 1), p1 = Finset.univ.affineCombination k p w := by classical
 #align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintype
 -/
 
@@ -1399,16 +1282,6 @@ theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι 
     exact ⟨s, w, s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w p hw (p j)⟩
   · rintro ⟨s, w, rfl⟩
     classical
-    let w' : ι → k := Function.update w j (1 - (s \ {j}).Sum w)
-    have h₁ : (insert j s).Sum w' = 1 := by
-      by_cases hj : j ∈ s
-      · simp [Finset.sum_update_of_mem hj, Finset.insert_eq_of_mem hj]
-      · simp [w', Finset.sum_insert hj, Finset.sum_update_of_not_mem hj, hj]
-    have hww : ∀ i, i ≠ j → w i = w' i := by intro i hij; simp [w', hij]
-    rw [s.weighted_vsub_of_point_eq_of_weights_eq p j w w' hww, ←
-      s.weighted_vsub_of_point_insert w' p j, ←
-      (insert j s).affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]
-    exact affineCombination_mem_affineSpan h₁ p
 #align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd
 -/
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/65a1391a0106c9204fe45bc73a039f056558cb83

@@ -196,7 +196,8 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
   by
   rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply]
   exact
-    Set.sum_indicator_subset_of_eq_zero w (fun i wi => wi • (p i -ᵥ b : V)) h fun i => zero_smul k _
+    Finset.sum_indicator_subset_of_eq_zero w (fun i wi => wi • (p i -ᵥ b : V)) h fun i =>
+      zero_smul k _
 #align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subset
 -/
 
@@ -1113,7 +1114,7 @@ theorem centroidWeightsIndicator_def :
 /-- The sum of the weights for the centroid indexed by a `fintype`. -/
 theorem sum_centroidWeightsIndicator [Fintype ι] :
     ∑ i, s.centroidWeightsIndicator k i = ∑ i in s, s.centroidWeights k i :=
-  (Set.sum_indicator_subset _ (subset_univ _)).symm
+  (Finset.sum_indicator_subset _ (subset_univ _)).symm
 #align finset.sum_centroid_weights_indicator Finset.sum_centroidWeightsIndicator
 -/
 
@@ -1337,7 +1338,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
   let s' := insert i0 s
   let w' := Set.indicator (↑s) w
   have h' : ∑ i in s', w' i = 0 := by
-    rw [← h, Set.sum_indicator_subset _ (Finset.subset_insert i0 s)]
+    rw [← h, Finset.sum_indicator_subset _ (Finset.subset_insert i0 s)]
   have hs' : s'.weighted_vsub p w' = p1 -ᵥ p i0 :=
     by
     rw [hs]

mathlib commit https://github.com/leanprover-community/mathlib/commit/ce64cd319bb6b3e82f31c2d38e79080d377be451

@@ -776,7 +776,7 @@ theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k
     s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w (f ∘ p) hw b₂, ←
     s.weighted_vsub_of_point_vadd_eq_of_sum_eq_one w (f ∘ p) hw (f b) b₂]
   simp only [weighted_vsub_of_point_apply, RingHom.id_apply, AffineMap.map_vadd,
-    LinearMap.map_smulₛₗ, AffineMap.linearMap_vsub, LinearMap.map_sum]
+    LinearMap.map_smulₛₗ, AffineMap.linearMap_vsub, map_sum]
 #align finset.map_affine_combination Finset.map_affineCombination
 -/
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/ce64cd319bb6b3e82f31c2d38e79080d377be451

@@ -3,14 +3,14 @@ Copyright (c) 2020 Joseph Myers. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
 -/
-import Mathbin.Algebra.Invertible
-import Mathbin.Algebra.IndicatorFunction
-import Mathbin.Algebra.Module.BigOperators
-import Mathbin.Data.Fintype.BigOperators
-import Mathbin.LinearAlgebra.AffineSpace.AffineMap
-import Mathbin.LinearAlgebra.AffineSpace.AffineSubspace
-import Mathbin.LinearAlgebra.Finsupp
-import Mathbin.Tactic.FinCases
+import Algebra.Invertible
+import Algebra.IndicatorFunction
+import Algebra.Module.BigOperators
+import Data.Fintype.BigOperators
+import LinearAlgebra.AffineSpace.AffineMap
+import LinearAlgebra.AffineSpace.AffineSubspace
+import LinearAlgebra.Finsupp
+import Tactic.FinCases
 
 #align_import linear_algebra.affine_space.combination from "leanprover-community/mathlib"@"19cb3751e5e9b3d97adb51023949c50c13b5fdfd"
 
@@ -1159,7 +1159,7 @@ theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
 -/
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:641:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 #print Finset.centroid_eq_centroid_image_of_inj_on /-
 /-- An indexed family of points that is injective on the given
 `finset` has the same centroid as the image of that `finset`.  This is
@@ -1196,8 +1196,8 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
 #align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_on
 -/
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
-/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:641:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:641:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
 #print Finset.centroid_eq_of_inj_on_of_image_eq /-
 /-- Two indexed families of points that are injective on the given
 `finset`s and with the same points in the image of those `finset`s

mathlib commit https://github.com/leanprover-community/mathlib/commit/63721b2c3eba6c325ecf8ae8cca27155a4f6306f

@@ -1185,7 +1185,7 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
     · rintro ⟨i, _, rfl⟩
       exact (hf' i).1
     · intro hx
-      use ⟨p x, hps.symm ▸ Set.mem_image_of_mem _ hx⟩, mem_univ _
+      use⟨p x, hps.symm ▸ Set.mem_image_of_mem _ hx⟩, mem_univ _
       refine' hi _ (hf' _).1 _ hx _
       rw [(hf' _).2]
       rfl
@@ -1309,7 +1309,7 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
     · skip
       rw [Set.range_eq_empty, vectorSpan_empty, Submodule.mem_bot]
       rintro rfl
-      use ∅
+      use∅
       simp
   · rintro ⟨s, w, hw, rfl⟩
     exact weightedVSub_mem_vectorSpan hw p

mathlib commit https://github.com/leanprover-community/mathlib/commit/8ea5598db6caeddde6cb734aa179cc2408dbd345

@@ -2,11 +2,6 @@
 Copyright (c) 2020 Joseph Myers. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
-
-! This file was ported from Lean 3 source module linear_algebra.affine_space.combination
-! leanprover-community/mathlib commit 19cb3751e5e9b3d97adb51023949c50c13b5fdfd
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Algebra.Invertible
 import Mathbin.Algebra.IndicatorFunction
@@ -17,6 +12,8 @@ import Mathbin.LinearAlgebra.AffineSpace.AffineSubspace
 import Mathbin.LinearAlgebra.Finsupp
 import Mathbin.Tactic.FinCases
 
+#align_import linear_algebra.affine_space.combination from "leanprover-community/mathlib"@"19cb3751e5e9b3d97adb51023949c50c13b5fdfd"
+
 /-!
 # Affine combinations of points
 
@@ -1162,7 +1159,7 @@ theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
 -/
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 #print Finset.centroid_eq_centroid_image_of_inj_on /-
 /-- An indexed family of points that is injective on the given
 `finset` has the same centroid as the image of that `finset`.  This is
@@ -1199,8 +1196,8 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
 #align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_on
 -/
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s) -/
-/- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
 #print Finset.centroid_eq_of_inj_on_of_image_eq /-
 /-- Two indexed families of points that are injective on the given
 `finset`s and with the same points in the image of those `finset`s

mathlib commit https://github.com/leanprover-community/mathlib/commit/9fb8964792b4237dac6200193a0d533f1b3f7423

@@ -56,15 +56,15 @@ open scoped BigOperators Affine
 
 namespace Finset
 
+#print Finset.univ_fin2 /-
 theorem univ_fin2 : (univ : Finset (Fin 2)) = {0, 1} := by ext x; fin_cases x <;> simp
 #align finset.univ_fin2 Finset.univ_fin2
+-/
 
 variable {k : Type _} {V : Type _} {P : Type _} [Ring k] [AddCommGroup V] [Module k V]
 
 variable [S : affine_space V P]
 
-include S
-
 variable {ι : Type _} (s : Finset ι)
 
 variable {ι₂ : Type _} (s₂ : Finset ι₂)
@@ -81,19 +81,24 @@ def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
 #align finset.weighted_vsub_of_point Finset.weightedVSubOfPoint
 -/
 
+#print Finset.weightedVSubOfPoint_apply /-
 @[simp]
 theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
     s.weightedVSubOfPoint p b w = ∑ i in s, w i • (p i -ᵥ b) := by
   simp [weighted_vsub_of_point, LinearMap.sum_apply]
 #align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_apply
+-/
 
+#print Finset.weightedVSubOfPoint_apply_const /-
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
 theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
     s.weightedVSubOfPoint (fun _ => p) b w = (∑ i in s, w i) • (p -ᵥ b) := by
   rw [weighted_vsub_of_point_apply, sum_smul]
 #align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_const
+-/
 
+#print Finset.weightedVSubOfPoint_congr /-
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
 theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
@@ -104,7 +109,9 @@ theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁
   convert sum_congr rfl fun i hi => _
   rw [hw i hi, hp i hi]
 #align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congr
+-/
 
+#print Finset.weightedVSubOfPoint_eq_of_weights_eq /-
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
 theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂ : ι → k)
@@ -118,7 +125,9 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
   · simp [h]
   · simp [hw i h]
 #align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eq
+-/
 
+#print Finset.weightedVSubOfPoint_eq_of_sum_eq_zero /-
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
 theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : ∑ i in s, w i = 0)
@@ -133,7 +142,9 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
     rw [← smul_sub, vsub_sub_vsub_cancel_left]
   rw [← sum_smul, h, zero_smul]
 #align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zero
+-/
 
+#print Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_one /-
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
 theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P) (h : ∑ i in s, w i = 1)
@@ -151,7 +162,9 @@ theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
     rw [← smul_sub, vsub_sub_vsub_cancel_left]
   rw [← sum_smul, h, one_smul, vsub_add_vsub_cancel, vsub_self]
 #align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_one
+-/
 
+#print Finset.weightedVSubOfPoint_erase /-
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
 @[simp]
@@ -162,7 +175,9 @@ theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P)
   apply sum_erase
   rw [vsub_self, smul_zero]
 #align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_erase
+-/
 
+#print Finset.weightedVSubOfPoint_insert /-
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
 @[simp]
@@ -173,7 +188,9 @@ theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P
   apply sum_insert_zero
   rw [vsub_self, smul_zero]
 #align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insert
+-/
 
+#print Finset.weightedVSubOfPoint_indicator_subset /-
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
 theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b : P) {s₁ s₂ : Finset ι}
@@ -184,7 +201,9 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
   exact
     Set.sum_indicator_subset_of_eq_zero w (fun i wi => wi • (p i -ᵥ b : V)) h fun i => zero_smul k _
 #align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subset
+-/
 
+#print Finset.weightedVSubOfPoint_map /-
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
 `finset`. -/
@@ -194,7 +213,9 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
   simp_rw [weighted_vsub_of_point_apply]
   exact Finset.sum_map _ _ _
 #align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_map
+-/
 
+#print Finset.sum_smul_vsub_eq_weightedVSubOfPoint_sub /-
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
 theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι → P) (b : P) :
@@ -202,21 +223,27 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
   by
   simp_rw [weighted_vsub_of_point_apply, ← sum_sub_distrib, ← smul_sub, vsub_sub_vsub_cancel_right]
 #align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_sub
+-/
 
+#print Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub /-
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
 theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι → P) (p₂ b : P) :
     ∑ i in s, w i • (p₁ i -ᵥ p₂) = s.weightedVSubOfPoint p₁ b w - (∑ i in s, w i) • (p₂ -ᵥ b) := by
   rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
 #align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub
+-/
 
+#print Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint /-
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
 theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι → P) (p₁ b : P) :
     ∑ i in s, w i • (p₁ -ᵥ p₂ i) = (∑ i in s, w i) • (p₁ -ᵥ b) - s.weightedVSubOfPoint p₂ b w := by
   rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
 #align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint
+-/
 
+#print Finset.weightedVSubOfPoint_sdiff /-
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) (b : P) :
@@ -224,7 +251,9 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
       s.weightedVSubOfPoint p b w :=
   by simp_rw [weighted_vsub_of_point_apply, sum_sdiff h]
 #align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiff
+-/
 
+#print Finset.weightedVSubOfPoint_sdiff_sub /-
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) (b : P) :
@@ -232,7 +261,9 @@ theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
       s.weightedVSubOfPoint p b w :=
   by rw [map_neg, sub_neg_eq_add, s.weighted_vsub_of_point_sdiff h]
 #align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_sub
+-/
 
+#print Finset.weightedVSubOfPoint_subtype_eq_filter /-
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
     [DecidablePred pred] :
@@ -240,7 +271,9 @@ theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b :
       (s.filterₓ pred).weightedVSubOfPoint p b w :=
   by rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply, ← sum_subtype_eq_sum_filter]
 #align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filter
+-/
 
+#print Finset.weightedVSubOfPoint_filter_of_ne /-
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
 theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {pred : ι → Prop}
@@ -253,13 +286,16 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
   intro hw
   simpa [hw] using hne
 #align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_ne
+-/
 
+#print Finset.weightedVSubOfPoint_const_smul /-
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
 theorem weightedVSubOfPoint_const_smul (w : ι → k) (p : ι → P) (b : P) (c : k) :
     s.weightedVSubOfPoint p b (c • w) = c • s.weightedVSubOfPoint p b w := by
   simp_rw [weighted_vsub_of_point_apply, smul_sum, Pi.smul_apply, smul_smul, smul_eq_mul]
 #align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smul
+-/
 
 #print Finset.weightedVSub /-
 /-- A weighted sum of the results of subtracting a default base point
@@ -271,6 +307,7 @@ def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
 #align finset.weighted_vsub Finset.weightedVSub
 -/
 
+#print Finset.weightedVSub_apply /-
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
 that base point will cancel out later); a more typical use case for
@@ -281,14 +318,18 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
     s.weightedVSub p w = ∑ i in s, w i • (p i -ᵥ Classical.choice S.Nonempty) := by
   simp [weighted_vsub, LinearMap.sum_apply]
 #align finset.weighted_vsub_apply Finset.weightedVSub_apply
+-/
 
+#print Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero /-
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
 theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : ι → P)
     (h : ∑ i in s, w i = 0) (b : P) : s.weightedVSub p w = s.weightedVSubOfPoint p b w :=
   s.weightedVSubOfPoint_eq_of_sum_eq_zero w p h _ _
 #align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero
+-/
 
+#print Finset.weightedVSub_apply_const /-
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
 @[simp]
@@ -296,27 +337,35 @@ theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : ∑ i in s, w i = 0
     s.weightedVSub (fun _ => p) w = 0 := by
   rw [weighted_vsub, weighted_vsub_of_point_apply_const, h, zero_smul]
 #align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_const
+-/
 
+#print Finset.weightedVSub_empty /-
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
 theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).weightedVSub p w = (0 : V) := by
   simp [weighted_vsub_apply]
 #align finset.weighted_vsub_empty Finset.weightedVSub_empty
+-/
 
+#print Finset.weightedVSub_congr /-
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
 theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
     (hp : ∀ i ∈ s, p₁ i = p₂ i) : s.weightedVSub p₁ w₁ = s.weightedVSub p₂ w₂ :=
   s.weightedVSubOfPoint_congr hw hp _
 #align finset.weighted_vsub_congr Finset.weightedVSub_congr
+-/
 
+#print Finset.weightedVSub_indicator_subset /-
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
 theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ : Finset ι} (h : s₁ ⊆ s₂) :
     s₁.weightedVSub p w = s₂.weightedVSub p (Set.indicator (↑s₁) w) :=
   weightedVSubOfPoint_indicator_subset _ _ _ h
 #align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subset
+-/
 
+#print Finset.weightedVSub_map /-
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
 original `finset`. -/
@@ -324,40 +373,52 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
     (s₂.map e).weightedVSub p w = s₂.weightedVSub (p ∘ e) (w ∘ e) :=
   s₂.weightedVSubOfPoint_map _ _ _ _
 #align finset.weighted_vsub_map Finset.weightedVSub_map
+-/
 
+#print Finset.sum_smul_vsub_eq_weightedVSub_sub /-
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
 theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P) :
     ∑ i in s, w i • (p₁ i -ᵥ p₂ i) = s.weightedVSub p₁ w - s.weightedVSub p₂ w :=
   s.sum_smul_vsub_eq_weightedVSubOfPoint_sub _ _ _ _
 #align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_sub
+-/
 
+#print Finset.sum_smul_vsub_const_eq_weightedVSub /-
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
 theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p₂ : P)
     (h : ∑ i in s, w i = 0) : ∑ i in s, w i • (p₁ i -ᵥ p₂) = s.weightedVSub p₁ w := by
   rw [sum_smul_vsub_eq_weighted_vsub_sub, s.weighted_vsub_apply_const _ _ h, sub_zero]
 #align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSub
+-/
 
+#print Finset.sum_smul_const_vsub_eq_neg_weightedVSub /-
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
 theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P) (p₁ : P)
     (h : ∑ i in s, w i = 0) : ∑ i in s, w i • (p₁ -ᵥ p₂ i) = -s.weightedVSub p₂ w := by
   rw [sum_smul_vsub_eq_weighted_vsub_sub, s.weighted_vsub_apply_const _ _ h, zero_sub]
 #align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSub
+-/
 
+#print Finset.weightedVSub_sdiff /-
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
     (s \ s₂).weightedVSub p w + s₂.weightedVSub p w = s.weightedVSub p w :=
   s.weightedVSubOfPoint_sdiff h _ _ _
 #align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiff
+-/
 
+#print Finset.weightedVSub_sdiff_sub /-
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) : (s \ s₂).weightedVSub p w - s₂.weightedVSub p (-w) = s.weightedVSub p w :=
   s.weightedVSubOfPoint_sdiff_sub h _ _ _
 #align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_sub
+-/
 
+#print Finset.weightedVSub_subtype_eq_filter /-
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
     [DecidablePred pred] :
@@ -365,22 +426,28 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
       (s.filterₓ pred).weightedVSub p w :=
   s.weightedVSubOfPoint_subtype_eq_filter _ _ _ _
 #align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filter
+-/
 
+#print Finset.weightedVSub_filter_of_ne /-
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
 theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → Prop} [DecidablePred pred]
     (h : ∀ i ∈ s, w i ≠ 0 → pred i) : (s.filterₓ pred).weightedVSub p w = s.weightedVSub p w :=
   s.weightedVSubOfPoint_filter_of_ne _ _ _ h
 #align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_ne
+-/
 
+#print Finset.weightedVSub_const_smul /-
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
     s.weightedVSub p (c • w) = c • s.weightedVSub p w :=
   s.weightedVSubOfPoint_const_smul _ _ _ _
 #align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smul
+-/
 
 variable (k)
 
+#print Finset.affineCombination /-
 /-- A weighted sum of the results of subtracting a default base point
 from the given points, added to that base point, as an affine map on
 the weights.  This is intended to be used when the sum of the weights
@@ -393,7 +460,9 @@ def affineCombination (p : ι → P) : (ι → k) →ᵃ[k] P
   linear := s.weightedVSub p
   map_vadd' w₁ w₂ := by simp_rw [vadd_vadd, weighted_vsub, vadd_eq_add, LinearMap.map_add]
 #align finset.affine_combination Finset.affineCombination
+-/
 
+#print Finset.affineCombination_linear /-
 /-- The linear map corresponding to `affine_combination` is
 `weighted_vsub`. -/
 @[simp]
@@ -401,9 +470,11 @@ theorem affineCombination_linear (p : ι → P) :
     (s.affineCombination k p).linear = s.weightedVSub p :=
   rfl
 #align finset.affine_combination_linear Finset.affineCombination_linear
+-/
 
 variable {k}
 
+#print Finset.affineCombination_apply /-
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
 when that base point will cancel out later); a more typical use case
@@ -416,21 +487,27 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
       s.weightedVSubOfPoint p (Classical.choice S.Nonempty) w +ᵥ Classical.choice S.Nonempty :=
   rfl
 #align finset.affine_combination_apply Finset.affineCombination_apply
+-/
 
+#print Finset.affineCombination_apply_const /-
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
 theorem affineCombination_apply_const (w : ι → k) (p : P) (h : ∑ i in s, w i = 1) :
     s.affineCombination k (fun _ => p) w = p := by
   rw [affine_combination_apply, s.weighted_vsub_of_point_apply_const, h, one_smul, vsub_vadd]
 #align finset.affine_combination_apply_const Finset.affineCombination_apply_const
+-/
 
+#print Finset.affineCombination_congr /-
 /-- `affine_combination` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
 theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
     (hp : ∀ i ∈ s, p₁ i = p₂ i) : s.affineCombination k p₁ w₁ = s.affineCombination k p₂ w₂ := by
   simp_rw [affine_combination_apply, s.weighted_vsub_of_point_congr hw hp]
 #align finset.affine_combination_congr Finset.affineCombination_congr
+-/
 
+#print Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one /-
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
 theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι → k) (p : ι → P)
@@ -438,19 +515,25 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
     s.affineCombination k p w = s.weightedVSubOfPoint p b w +ᵥ b :=
   s.weightedVSubOfPoint_vadd_eq_of_sum_eq_one w p h _ _
 #align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one
+-/
 
+#print Finset.weightedVSub_vadd_affineCombination /-
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
     s.weightedVSub p w₁ +ᵥ s.affineCombination k p w₂ = s.affineCombination k p (w₁ + w₂) := by
   rw [← vadd_eq_add, AffineMap.map_vadd, affine_combination_linear]
 #align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombination
+-/
 
+#print Finset.affineCombination_vsub /-
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
     s.affineCombination k p w₁ -ᵥ s.affineCombination k p w₂ = s.weightedVSub p (w₁ - w₂) := by
   rw [← AffineMap.linearMap_vsub, affine_combination_linear, vsub_eq_sub]
 #align finset.affine_combination_vsub Finset.affineCombination_vsub
+-/
 
+#print Finset.attach_affineCombination_of_injective /-
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
     s.attach.affineCombination k f (w ∘ f) = (image f univ).affineCombination k id w :=
@@ -464,15 +547,17 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
   rw [hgf, sum_image]
   exact fun _ _ _ _ hxy => hf hxy
 #align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injective
+-/
 
+#print Finset.attach_affineCombination_coe /-
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
   classical rw [attach_affine_combination_of_injective s w (coe : s → P) Subtype.coe_injective,
     univ_eq_attach, attach_image_coe]
 #align finset.attach_affine_combination_coe Finset.attach_affineCombination_coe
+-/
 
-omit S
-
+#print Finset.weightedVSub_eq_linear_combination /-
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
 @[simp]
@@ -480,7 +565,9 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
     (hw : s.Sum w = 0) : s.weightedVSub p w = ∑ i in s, w i • p i := by
   simp [s.weighted_vsub_apply, vsub_eq_sub, smul_sub, ← Finset.sum_smul, hw]
 #align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combination
+-/
 
+#print Finset.affineCombination_eq_linear_combination /-
 /-- Viewing a module as an affine space modelled on itself, affine combinations are just linear
 combinations. -/
 @[simp]
@@ -488,9 +575,9 @@ theorem affineCombination_eq_linear_combination (s : Finset ι) (p : ι → V) (
     (hw : ∑ i in s, w i = 1) : s.affineCombination k p w = ∑ i in s, w i • p i := by
   simp [s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w p hw 0]
 #align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combination
+-/
 
-include S
-
+#print Finset.affineCombination_of_eq_one_of_eq_zero /-
 /-- An `affine_combination` equals a point if that point is in the set
 and has weight 1 and the other points in the set have weight 0. -/
 @[simp]
@@ -507,7 +594,9 @@ theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i
   · simp [h]
   · simp [hw0 i2 hi2 h]
 #align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zero
+-/
 
+#print Finset.affineCombination_indicator_subset /-
 /-- An affine combination is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
 theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ : Finset ι}
@@ -516,7 +605,9 @@ theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s
   rw [affine_combination_apply, affine_combination_apply,
     weighted_vsub_of_point_indicator_subset _ _ _ h]
 #align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subset
+-/
 
+#print Finset.affineCombination_map /-
 /-- An affine combination, over the image of an embedding, equals an
 affine combination with the same points and weights over the original
 `finset`. -/
@@ -524,7 +615,9 @@ theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
     (s₂.map e).affineCombination k p w = s₂.affineCombination k (p ∘ e) (w ∘ e) := by
   simp_rw [affine_combination_apply, weighted_vsub_of_point_map]
 #align finset.affine_combination_map Finset.affineCombination_map
+-/
 
+#print Finset.sum_smul_vsub_eq_affineCombination_vsub /-
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
 theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι → P) :
@@ -533,21 +626,27 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
   simp_rw [affine_combination_apply, vadd_vsub_vadd_cancel_right]
   exact s.sum_smul_vsub_eq_weighted_vsub_of_point_sub _ _ _ _
 #align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsub
+-/
 
+#print Finset.sum_smul_vsub_const_eq_affineCombination_vsub /-
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι → P) (p₂ : P)
     (h : ∑ i in s, w i = 1) : ∑ i in s, w i • (p₁ i -ᵥ p₂) = s.affineCombination k p₁ w -ᵥ p₂ := by
   rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsub
+-/
 
+#print Finset.sum_smul_const_vsub_eq_vsub_affineCombination /-
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι → P) (p₁ : P)
     (h : ∑ i in s, w i = 1) : ∑ i in s, w i • (p₁ -ᵥ p₂ i) = p₁ -ᵥ s.affineCombination k p₂ w := by
   rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombination
+-/
 
+#print Finset.affineCombination_sdiff_sub /-
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) :
@@ -556,7 +655,9 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
   simp_rw [affine_combination_apply, vadd_vsub_vadd_cancel_right]
   exact s.weighted_vsub_sdiff_sub h _ _
 #align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_sub
+-/
 
+#print Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one /-
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
 theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k} {p : ι → P}
@@ -570,7 +671,9 @@ theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k
   · simp [hwi]
   · simp
 #align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one
+-/
 
+#print Finset.affineCombination_subtype_eq_filter /-
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
     [DecidablePred pred] :
@@ -579,7 +682,9 @@ theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred
   by
   rw [affine_combination_apply, affine_combination_apply, weighted_vsub_of_point_subtype_eq_filter]
 #align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filter
+-/
 
+#print Finset.affineCombination_filter_of_ne /-
 /-- An affine combination over `s.filter pred` equals one over `s` if all the weights at indices
 in `s` not satisfying `pred` are zero. -/
 theorem affineCombination_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → Prop}
@@ -588,9 +693,11 @@ theorem affineCombination_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι
   rw [affine_combination_apply, affine_combination_apply,
     s.weighted_vsub_of_point_filter_of_ne _ _ _ h]
 #align finset.affine_combination_filter_of_ne Finset.affineCombination_filter_of_ne
+-/
 
 variable {V}
 
+#print Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype /-
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
 `weighted_vsub_of_point` using a `finset` lying within that subset and
@@ -616,9 +723,11 @@ theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V}
           if h : i ∈ s then w ⟨i, h⟩ else 0, _, _⟩ <;>
       simp
 #align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
+-/
 
 variable (k)
 
+#print Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype /-
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
 a `finset` lying within that subset and with sum of weights 0 if and
@@ -632,9 +741,11 @@ theorem eq_weightedVSub_subset_iff_eq_weightedVSub_subtype {v : V} {s : Set ι}
         v = fs.weightedVSub (fun i : s => p i) w :=
   eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 #align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype
+-/
 
 variable (V)
 
+#print Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtype /-
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A point can be expressed as an
 `affine_combination` using a `finset` lying within that subset and
@@ -652,9 +763,11 @@ theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s
   simp_rw [affine_combination_apply, eq_vadd_iff_vsub_eq]
   exact eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype
 #align finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtype
+-/
 
 variable {k V}
 
+#print Finset.map_affineCombination /-
 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
     (p : ι → P) (w : ι → k) (hw : s.Sum w = 1) (f : P →ᵃ[k] P₂) :
@@ -668,11 +781,10 @@ theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k
   simp only [weighted_vsub_of_point_apply, RingHom.id_apply, AffineMap.map_vadd,
     LinearMap.map_smulₛₗ, AffineMap.linearMap_vsub, LinearMap.map_sum]
 #align finset.map_affine_combination Finset.map_affineCombination
+-/
 
 variable (k)
 
-omit S
-
 #print Finset.affineCombinationSingleWeights /-
 /-- Weights for expressing a single point as an affine combination. -/
 def affineCombinationSingleWeights [DecidableEq ι] (i : ι) : ι → k :=
@@ -680,16 +792,21 @@ def affineCombinationSingleWeights [DecidableEq ι] (i : ι) : ι → k :=
 #align finset.affine_combination_single_weights Finset.affineCombinationSingleWeights
 -/
 
+#print Finset.affineCombinationSingleWeights_apply_self /-
 @[simp]
 theorem affineCombinationSingleWeights_apply_self [DecidableEq ι] (i : ι) :
     affineCombinationSingleWeights k i i = 1 := by simp [affine_combination_single_weights]
 #align finset.affine_combination_single_weights_apply_self Finset.affineCombinationSingleWeights_apply_self
+-/
 
+#print Finset.affineCombinationSingleWeights_apply_of_ne /-
 @[simp]
 theorem affineCombinationSingleWeights_apply_of_ne [DecidableEq ι] {i j : ι} (h : j ≠ i) :
     affineCombinationSingleWeights k i j = 0 := by simp [affine_combination_single_weights, h]
 #align finset.affine_combination_single_weights_apply_of_ne Finset.affineCombinationSingleWeights_apply_of_ne
+-/
 
+#print Finset.sum_affineCombinationSingleWeights /-
 @[simp]
 theorem sum_affineCombinationSingleWeights [DecidableEq ι] {i : ι} (h : i ∈ s) :
     ∑ j in s, affineCombinationSingleWeights k i j = 1 :=
@@ -697,6 +814,7 @@ theorem sum_affineCombinationSingleWeights [DecidableEq ι] {i : ι} (h : i ∈
   rw [← affine_combination_single_weights_apply_self k i]
   exact sum_eq_single_of_mem i h fun j _ hj => affine_combination_single_weights_apply_of_ne k hj
 #align finset.sum_affine_combination_single_weights Finset.sum_affineCombinationSingleWeights
+-/
 
 #print Finset.weightedVSubVSubWeights /-
 /-- Weights for expressing the subtraction of two points as a `weighted_vsub`. -/
@@ -705,26 +823,35 @@ def weightedVSubVSubWeights [DecidableEq ι] (i j : ι) : ι → k :=
 #align finset.weighted_vsub_vsub_weights Finset.weightedVSubVSubWeights
 -/
 
+#print Finset.weightedVSubVSubWeights_self /-
 @[simp]
 theorem weightedVSubVSubWeights_self [DecidableEq ι] (i : ι) : weightedVSubVSubWeights k i i = 0 :=
   by simp [weighted_vsub_vsub_weights]
 #align finset.weighted_vsub_vsub_weights_self Finset.weightedVSubVSubWeights_self
+-/
 
+#print Finset.weightedVSubVSubWeights_apply_left /-
 @[simp]
 theorem weightedVSubVSubWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) :
     weightedVSubVSubWeights k i j i = 1 := by simp [weighted_vsub_vsub_weights, h]
 #align finset.weighted_vsub_vsub_weights_apply_left Finset.weightedVSubVSubWeights_apply_left
+-/
 
+#print Finset.weightedVSubVSubWeights_apply_right /-
 @[simp]
 theorem weightedVSubVSubWeights_apply_right [DecidableEq ι] {i j : ι} (h : i ≠ j) :
     weightedVSubVSubWeights k i j j = -1 := by simp [weighted_vsub_vsub_weights, h.symm]
 #align finset.weighted_vsub_vsub_weights_apply_right Finset.weightedVSubVSubWeights_apply_right
+-/
 
+#print Finset.weightedVSubVSubWeights_apply_of_ne /-
 @[simp]
 theorem weightedVSubVSubWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi : t ≠ i) (hj : t ≠ j) :
     weightedVSubVSubWeights k i j t = 0 := by simp [weighted_vsub_vsub_weights, hi, hj]
 #align finset.weighted_vsub_vsub_weights_apply_of_ne Finset.weightedVSubVSubWeights_apply_of_ne
+-/
 
+#print Finset.sum_weightedVSubVSubWeights /-
 @[simp]
 theorem sum_weightedVSubVSubWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s) :
     ∑ t in s, weightedVSubVSubWeights k i j t = 0 :=
@@ -732,6 +859,7 @@ theorem sum_weightedVSubVSubWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (
   simp_rw [weighted_vsub_vsub_weights, Pi.sub_apply, sum_sub_distrib]
   simp [hi, hj]
 #align finset.sum_weighted_vsub_vsub_weights Finset.sum_weightedVSubVSubWeights
+-/
 
 variable {k}
 
@@ -750,11 +878,13 @@ theorem affineCombinationLineMapWeights_self [DecidableEq ι] (i : ι) (c : k) :
 #align finset.affine_combination_line_map_weights_self Finset.affineCombinationLineMapWeights_self
 -/
 
+#print Finset.affineCombinationLineMapWeights_apply_left /-
 @[simp]
 theorem affineCombinationLineMapWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) (c : k) :
     affineCombinationLineMapWeights i j c i = 1 - c := by
   simp [affine_combination_line_map_weights, h.symm, sub_eq_neg_add]
 #align finset.affine_combination_line_map_weights_apply_left Finset.affineCombinationLineMapWeights_apply_left
+-/
 
 #print Finset.affineCombinationLineMapWeights_apply_right /-
 @[simp]
@@ -764,12 +894,15 @@ theorem affineCombinationLineMapWeights_apply_right [DecidableEq ι] {i j : ι}
 #align finset.affine_combination_line_map_weights_apply_right Finset.affineCombinationLineMapWeights_apply_right
 -/
 
+#print Finset.affineCombinationLineMapWeights_apply_of_ne /-
 @[simp]
 theorem affineCombinationLineMapWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi : t ≠ i)
     (hj : t ≠ j) (c : k) : affineCombinationLineMapWeights i j c t = 0 := by
   simp [affine_combination_line_map_weights, hi, hj]
 #align finset.affine_combination_line_map_weights_apply_of_ne Finset.affineCombinationLineMapWeights_apply_of_ne
+-/
 
+#print Finset.sum_affineCombinationLineMapWeights /-
 @[simp]
 theorem sum_affineCombinationLineMapWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s)
     (c : k) : ∑ t in s, affineCombinationLineMapWeights i j c t = 1 :=
@@ -777,11 +910,11 @@ theorem sum_affineCombinationLineMapWeights [DecidableEq ι] {i j : ι} (hi : i
   simp_rw [affine_combination_line_map_weights, Pi.add_apply, sum_add_distrib]
   simp [hi, hj, ← mul_sum]
 #align finset.sum_affine_combination_line_map_weights Finset.sum_affineCombinationLineMapWeights
-
-include S
+-/
 
 variable (k)
 
+#print Finset.affineCombination_affineCombinationSingleWeights /-
 /-- An affine combination with `affine_combination_single_weights` gives the specified point. -/
 @[simp]
 theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : ι → P) {i : ι}
@@ -791,7 +924,9 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
   rintro j - hj
   simp [hj]
 #align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeights
+-/
 
+#print Finset.weightedVSub_weightedVSubVSubWeights /-
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
 @[simp]
@@ -801,9 +936,11 @@ theorem weightedVSub_weightedVSubVSubWeights [DecidableEq ι] (p : ι → P) {i
     s.affine_combination_affine_combination_single_weights k p hi,
     s.affine_combination_affine_combination_single_weights k p hj]
 #align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeights
+-/
 
 variable {k}
 
+#print Finset.affineCombination_affineCombinationLineMapWeights /-
 /-- An affine combination with `affine_combination_line_map_weights` gives the result of
 `line_map`. -/
 @[simp]
@@ -816,6 +953,7 @@ theorem affineCombination_affineCombinationLineMapWeights [DecidableEq ι] (p :
     weighted_vsub_const_smul, s.affine_combination_affine_combination_single_weights k p hi,
     s.weighted_vsub_weighted_vsub_vsub_weights k p hj hi, AffineMap.lineMap_apply]
 #align finset.affine_combination_affine_combination_line_map_weights Finset.affineCombination_affineCombinationLineMapWeights
+-/
 
 end Finset
 
@@ -832,48 +970,58 @@ def centroidWeights : ι → k :=
 #align finset.centroid_weights Finset.centroidWeights
 -/
 
+#print Finset.centroidWeights_apply /-
 /-- `centroid_weights` at any point. -/
 @[simp]
 theorem centroidWeights_apply (i : ι) : s.centroidWeights k i = (card s : k)⁻¹ :=
   rfl
 #align finset.centroid_weights_apply Finset.centroidWeights_apply
+-/
 
+#print Finset.centroidWeights_eq_const /-
 /-- `centroid_weights` equals a constant function. -/
 theorem centroidWeights_eq_const : s.centroidWeights k = Function.const ι (card s : k)⁻¹ :=
   rfl
 #align finset.centroid_weights_eq_const Finset.centroidWeights_eq_const
+-/
 
 variable {k}
 
+#print Finset.sum_centroidWeights_eq_one_of_cast_card_ne_zero /-
 /-- The weights in the centroid sum to 1, if the number of points,
 converted to `k`, is not zero. -/
 theorem sum_centroidWeights_eq_one_of_cast_card_ne_zero (h : (card s : k) ≠ 0) :
     ∑ i in s, s.centroidWeights k i = 1 := by simp [h]
 #align finset.sum_centroid_weights_eq_one_of_cast_card_ne_zero Finset.sum_centroidWeights_eq_one_of_cast_card_ne_zero
+-/
 
 variable (k)
 
+#print Finset.sum_centroidWeights_eq_one_of_card_ne_zero /-
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is not zero. -/
 theorem sum_centroidWeights_eq_one_of_card_ne_zero [CharZero k] (h : card s ≠ 0) :
     ∑ i in s, s.centroidWeights k i = 1 := by simp [h]
 #align finset.sum_centroid_weights_eq_one_of_card_ne_zero Finset.sum_centroidWeights_eq_one_of_card_ne_zero
+-/
 
+#print Finset.sum_centroidWeights_eq_one_of_nonempty /-
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the set is nonempty. -/
 theorem sum_centroidWeights_eq_one_of_nonempty [CharZero k] (h : s.Nonempty) :
     ∑ i in s, s.centroidWeights k i = 1 :=
   s.sum_centroidWeights_eq_one_of_card_ne_zero k (ne_of_gt (card_pos.2 h))
 #align finset.sum_centroid_weights_eq_one_of_nonempty Finset.sum_centroidWeights_eq_one_of_nonempty
+-/
 
+#print Finset.sum_centroidWeights_eq_one_of_card_eq_add_one /-
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeights_eq_one_of_card_eq_add_one [CharZero k] {n : ℕ} (h : card s = n + 1) :
     ∑ i in s, s.centroidWeights k i = 1 :=
   s.sum_centroidWeights_eq_one_of_card_ne_zero k (h.symm ▸ Nat.succ_ne_zero n)
 #align finset.sum_centroid_weights_eq_one_of_card_eq_add_one Finset.sum_centroidWeights_eq_one_of_card_eq_add_one
-
-include V
+-/
 
 #print Finset.centroid /-
 /-- The centroid of some points.  Although defined for any `s`, this
@@ -884,21 +1032,28 @@ def centroid (p : ι → P) : P :=
 #align finset.centroid Finset.centroid
 -/
 
+#print Finset.centroid_def /-
 /-- The definition of the centroid. -/
 theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (s.centroidWeights k) :=
   rfl
 #align finset.centroid_def Finset.centroid_def
+-/
 
+#print Finset.centroid_univ /-
 theorem centroid_univ (s : Finset P) : univ.centroid k (coe : s → P) = s.centroid k id := by
   rw [centroid, centroid, ← s.attach_affine_combination_coe]; congr; ext; simp
 #align finset.centroid_univ Finset.centroid_univ
+-/
 
+#print Finset.centroid_singleton /-
 /-- The centroid of a single point. -/
 @[simp]
 theorem centroid_singleton (p : ι → P) (i : ι) : ({i} : Finset ι).centroid k p = p i := by
   simp [centroid_def, affine_combination_apply]
 #align finset.centroid_singleton Finset.centroid_singleton
+-/
 
+#print Finset.centroid_pair /-
 /-- The centroid of two points, expressed directly as adding a vector
 to a point. -/
 theorem centroid_pair [DecidableEq ι] [Invertible (2 : k)] (p : ι → P) (i₁ i₂ : ι) :
@@ -916,7 +1071,9 @@ theorem centroid_pair [DecidableEq ι] [Invertible (2 : k)] (p : ι → P) (i₁
         (sum_centroid_weights_eq_one_of_cast_card_ne_zero _ hc) (p i₁)]
     simp [h]
 #align finset.centroid_pair Finset.centroid_pair
+-/
 
+#print Finset.centroid_pair_fin /-
 /-- The centroid of two points indexed by `fin 2`, expressed directly
 as adding a vector to the first point. -/
 theorem centroid_pair_fin [Invertible (2 : k)] (p : Fin 2 → P) :
@@ -925,14 +1082,15 @@ theorem centroid_pair_fin [Invertible (2 : k)] (p : Fin 2 → P) :
   rw [univ_fin2]
   convert centroid_pair k p 0 1
 #align finset.centroid_pair_fin Finset.centroid_pair_fin
+-/
 
+#print Finset.centroid_map /-
 /-- A centroid, over the image of an embedding, equals a centroid with
 the same points and weights over the original `finset`. -/
 theorem centroid_map (e : ι₂ ↪ ι) (p : ι → P) : (s₂.map e).centroid k p = s₂.centroid k (p ∘ e) :=
   by simp [centroid_def, affine_combination_map, centroid_weights]
 #align finset.centroid_map Finset.centroid_map
-
-omit V
+-/
 
 #print Finset.centroidWeightsIndicator /-
 /-- `centroid_weights` gives the weights for the centroid as a
@@ -946,11 +1104,13 @@ def centroidWeightsIndicator : ι → k :=
 #align finset.centroid_weights_indicator Finset.centroidWeightsIndicator
 -/
 
+#print Finset.centroidWeightsIndicator_def /-
 /-- The definition of `centroid_weights_indicator`. -/
 theorem centroidWeightsIndicator_def :
     s.centroidWeightsIndicator k = Set.indicator (↑s) (s.centroidWeights k) :=
   rfl
 #align finset.centroid_weights_indicator_def Finset.centroidWeightsIndicator_def
+-/
 
 #print Finset.sum_centroidWeightsIndicator /-
 /-- The sum of the weights for the centroid indexed by a `fintype`. -/
@@ -960,6 +1120,7 @@ theorem sum_centroidWeightsIndicator [Fintype ι] :
 #align finset.sum_centroid_weights_indicator Finset.sum_centroidWeightsIndicator
 -/
 
+#print Finset.sum_centroidWeightsIndicator_eq_one_of_card_ne_zero /-
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is not
 zero. -/
@@ -969,7 +1130,9 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_ne_zero [CharZero k] [Fintyp
   rw [sum_centroid_weights_indicator]
   exact s.sum_centroid_weights_eq_one_of_card_ne_zero k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_card_ne_zero Finset.sum_centroidWeightsIndicator_eq_one_of_card_ne_zero
+-/
 
+#print Finset.sum_centroidWeightsIndicator_eq_one_of_nonempty /-
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the set is nonempty. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι] (h : s.Nonempty) :
@@ -978,7 +1141,9 @@ theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι
   rw [sum_centroid_weights_indicator]
   exact s.sum_centroid_weights_eq_one_of_nonempty k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_nonempty Finset.sum_centroidWeightsIndicator_eq_one_of_nonempty
+-/
 
+#print Finset.sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one /-
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fintype ι] {n : ℕ}
@@ -987,16 +1152,18 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fin
   rw [sum_centroid_weights_indicator]
   exact s.sum_centroid_weights_eq_one_of_card_eq_add_one k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_card_eq_add_one Finset.sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one
+-/
 
-include V
-
+#print Finset.centroid_eq_affineCombination_fintype /-
 /-- The centroid as an affine combination over a `fintype`. -/
 theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
     s.centroid k p = univ.affineCombination k p (s.centroidWeightsIndicator k) :=
   affineCombination_indicator_subset _ _ (subset_univ _)
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
+-/
 
 /- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+#print Finset.centroid_eq_centroid_image_of_inj_on /-
 /-- An indexed family of points that is injective on the given
 `finset` has the same centroid as the image of that `finset`.  This is
 stated in terms of a set equal to the image to provide control of
@@ -1030,9 +1197,11 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
   change p (f' x) = ↑x
   rw [(hf' x).2]
 #align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_on
+-/
 
 /- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 /- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
+#print Finset.centroid_eq_of_inj_on_of_image_eq /-
 /-- Two indexed families of points that are injective on the given
 `finset`s and with the same points in the image of those `finset`s
 have the same centroid. -/
@@ -1043,6 +1212,7 @@ theorem centroid_eq_of_inj_on_of_image_eq {p : ι → P}
   classical rw [s.centroid_eq_centroid_image_of_inj_on k hi rfl,
     s₂.centroid_eq_centroid_image_of_inj_on k hi₂ he]
 #align finset.centroid_eq_of_inj_on_of_image_eq Finset.centroid_eq_of_inj_on_of_image_eq
+-/
 
 end Finset
 
@@ -1053,8 +1223,7 @@ variable {k : Type _} {V : Type _} {P : Type _} [Ring k] [AddCommGroup V] [Modul
 
 variable {ι : Type _}
 
-include V
-
+#print weightedVSub_mem_vectorSpan /-
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
 theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in s, w i = 0) (p : ι → P) :
@@ -1075,7 +1244,9 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in
       simp [w', Set.indicator_apply, if_pos hi]
     · exact fun _ => zero_smul k _
 #align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpan
+-/
 
+#print affineCombination_mem_affineSpan /-
 /-- An `affine_combination` with sum of weights 1 is in the
 `affine_span` of an indexed family, if the underlying ring is
 nontrivial. -/
@@ -1100,9 +1271,11 @@ theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι
   rw [← vsub_vadd (s.affine_combination k p w) (p i1)]
   exact AffineSubspace.vadd_mem_of_mem_direction hv (mem_affineSpan k (Set.mem_range_self _))
 #align affine_combination_mem_affine_span affineCombination_mem_affineSpan
+-/
 
 variable (k) {V}
 
+#print mem_vectorSpan_iff_eq_weightedVSub /-
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
 theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
@@ -1144,9 +1317,11 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
   · rintro ⟨s, w, hw, rfl⟩
     exact weightedVSub_mem_vectorSpan hw p
 #align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSub
+-/
 
 variable {k}
 
+#print eq_affineCombination_of_mem_affineSpan /-
 /-- A point in the `affine_span` of an indexed family is an
 `affine_combination` with sum of weights 1. See also
 `eq_affine_combination_of_mem_affine_span_of_fintype`. -/
@@ -1181,7 +1356,9 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
   · simp [Pi.add_apply, Finset.sum_add_distrib, hw0, h']
   · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
 #align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpan
+-/
 
+#print eq_affineCombination_of_mem_affineSpan_of_fintype /-
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
     ∃ (w : ι → k) (hw : ∑ i, w i = 1), p1 = Finset.univ.affineCombination k p w := by
@@ -1191,9 +1368,11 @@ theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P}
   simp only [Finset.mem_coe, Set.indicator_apply, ← hw]
   rw [Fintype.sum_extend_by_zero s w]
 #align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintype
+-/
 
 variable (k V)
 
+#print mem_affineSpan_iff_eq_affineCombination /-
 /-- A point is in the `affine_span` of an indexed family if and only
 if it is an `affine_combination` with sum of weights 1, provided the
 underlying ring is nontrivial. -/
@@ -1206,7 +1385,9 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
   · rintro ⟨s, w, hw, rfl⟩
     exact affineCombination_mem_affineSpan hw p
 #align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombination
+-/
 
+#print mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd /-
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with
 weights that are not required to sum to 1. -/
@@ -1231,9 +1412,11 @@ theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι 
       (insert j s).affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]
     exact affineCombination_mem_affineSpan h₁ p
 #align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd
+-/
 
 variable {k V}
 
+#print affineSpan_eq_affineSpan_lineMap_units /-
 /-- Given a set of points, together with a chosen base point in this set, if we affinely transport
 all other members of the set along the line joining them to this base point, the affine span is
 unchanged. -/
@@ -1250,6 +1433,7 @@ theorem affineSpan_eq_affineSpan_lineMap_units [Nontrivial k] {s : Set P} {p : P
       [use fun x => μ x * ↑(w x); use fun x => μ x * ↑(w x)⁻¹] <;>
     simp [smul_smul]
 #align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_units
+-/
 
 end AffineSpace'
 
@@ -1259,39 +1443,45 @@ variable {k : Type _} {V : Type _} {P : Type _} [DivisionRing k] [AddCommGroup V
 
 variable [affine_space V P] {ι : Type _}
 
-include V
-
 open Set Finset
 
+#print centroid_mem_affineSpan_of_cast_card_ne_zero /-
 /-- The centroid lies in the affine span if the number of points,
 converted to `k`, is not zero. -/
 theorem centroid_mem_affineSpan_of_cast_card_ne_zero {s : Finset ι} (p : ι → P)
     (h : (card s : k) ≠ 0) : s.centroid k p ∈ affineSpan k (range p) :=
   affineCombination_mem_affineSpan (s.sum_centroidWeights_eq_one_of_cast_card_ne_zero h) p
 #align centroid_mem_affine_span_of_cast_card_ne_zero centroid_mem_affineSpan_of_cast_card_ne_zero
+-/
 
 variable (k)
 
+#print centroid_mem_affineSpan_of_card_ne_zero /-
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the number of points is not zero. -/
 theorem centroid_mem_affineSpan_of_card_ne_zero [CharZero k] {s : Finset ι} (p : ι → P)
     (h : card s ≠ 0) : s.centroid k p ∈ affineSpan k (range p) :=
   affineCombination_mem_affineSpan (s.sum_centroidWeights_eq_one_of_card_ne_zero k h) p
 #align centroid_mem_affine_span_of_card_ne_zero centroid_mem_affineSpan_of_card_ne_zero
+-/
 
+#print centroid_mem_affineSpan_of_nonempty /-
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the set is nonempty. -/
 theorem centroid_mem_affineSpan_of_nonempty [CharZero k] {s : Finset ι} (p : ι → P)
     (h : s.Nonempty) : s.centroid k p ∈ affineSpan k (range p) :=
   affineCombination_mem_affineSpan (s.sum_centroidWeights_eq_one_of_nonempty k h) p
 #align centroid_mem_affine_span_of_nonempty centroid_mem_affineSpan_of_nonempty
+-/
 
+#print centroid_mem_affineSpan_of_card_eq_add_one /-
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the number of points is `n + 1`. -/
 theorem centroid_mem_affineSpan_of_card_eq_add_one [CharZero k] {s : Finset ι} (p : ι → P) {n : ℕ}
     (h : card s = n + 1) : s.centroid k p ∈ affineSpan k (range p) :=
   affineCombination_mem_affineSpan (s.sum_centroidWeights_eq_one_of_card_eq_add_one k h) p
 #align centroid_mem_affine_span_of_card_eq_add_one centroid_mem_affineSpan_of_card_eq_add_one
+-/
 
 end DivisionRing
 
@@ -1301,8 +1491,7 @@ variable {k : Type _} {V : Type _} (P : Type _) [CommRing k] [AddCommGroup V] [M
 
 variable [affine_space V P] {ι : Type _} (s : Finset ι)
 
-include V
-
+#print AffineMap.weightedVSubOfPoint /-
 -- TODO: define `affine_map.proj`, `affine_map.fst`, `affine_map.snd`
 /-- A weighted sum, as an affine map on the points involved. -/
 def weightedVSubOfPoint (w : ι → k) : (ι → P) × P →ᵃ[k] V
@@ -1314,6 +1503,7 @@ def weightedVSubOfPoint (w : ι → k) : (ι → P) × P →ᵃ[k] V
     simp [LinearMap.sum_apply, Finset.weightedVSubOfPoint, vsub_vadd_eq_vsub_sub, vadd_vsub_assoc,
       add_sub, ← sub_add_eq_add_sub, smul_add, Finset.sum_add_distrib]
 #align affine_map.weighted_vsub_of_point AffineMap.weightedVSubOfPoint
+-/
 
 end AffineMap
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/a3e83f0fa4391c8740f7d773a7a9b74e311ae2a3

@@ -121,7 +121,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
 
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
-theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 0)
+theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : ∑ i in s, w i = 0)
     (b₁ b₂ : P) : s.weightedVSubOfPoint p b₁ w = s.weightedVSubOfPoint p b₂ w :=
   by
   apply eq_of_sub_eq_zero
@@ -136,7 +136,7 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
 
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
-theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 1)
+theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P) (h : ∑ i in s, w i = 1)
     (b₁ b₂ : P) : s.weightedVSubOfPoint p b₁ w +ᵥ b₁ = s.weightedVSubOfPoint p b₂ w +ᵥ b₂ :=
   by
   erw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply, ← @vsub_eq_zero_iff_eq V,
@@ -198,8 +198,7 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
 theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι → P) (b : P) :
-    (∑ i in s, w i • (p₁ i -ᵥ p₂ i)) =
-      s.weightedVSubOfPoint p₁ b w - s.weightedVSubOfPoint p₂ b w :=
+    ∑ i in s, w i • (p₁ i -ᵥ p₂ i) = s.weightedVSubOfPoint p₁ b w - s.weightedVSubOfPoint p₂ b w :=
   by
   simp_rw [weighted_vsub_of_point_apply, ← sum_sub_distrib, ← smul_sub, vsub_sub_vsub_cancel_right]
 #align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_sub
@@ -207,15 +206,15 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
 theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι → P) (p₂ b : P) :
-    (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.weightedVSubOfPoint p₁ b w - (∑ i in s, w i) • (p₂ -ᵥ b) :=
-  by rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
+    ∑ i in s, w i • (p₁ i -ᵥ p₂) = s.weightedVSubOfPoint p₁ b w - (∑ i in s, w i) • (p₂ -ᵥ b) := by
+  rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
 #align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub
 
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
 theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι → P) (p₁ b : P) :
-    (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = (∑ i in s, w i) • (p₁ -ᵥ b) - s.weightedVSubOfPoint p₂ b w :=
-  by rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
+    ∑ i in s, w i • (p₁ -ᵥ p₂ i) = (∑ i in s, w i) • (p₁ -ᵥ b) - s.weightedVSubOfPoint p₂ b w := by
+  rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
 #align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint
 
 /-- A weighted sum may be split into such sums over two subsets. -/
@@ -286,14 +285,14 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
 theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : ι → P)
-    (h : (∑ i in s, w i) = 0) (b : P) : s.weightedVSub p w = s.weightedVSubOfPoint p b w :=
+    (h : ∑ i in s, w i = 0) (b : P) : s.weightedVSub p w = s.weightedVSubOfPoint p b w :=
   s.weightedVSubOfPoint_eq_of_sum_eq_zero w p h _ _
 #align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero
 
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
 @[simp]
-theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 0) :
+theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : ∑ i in s, w i = 0) :
     s.weightedVSub (fun _ => p) w = 0 := by
   rw [weighted_vsub, weighted_vsub_of_point_apply_const, h, zero_smul]
 #align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_const
@@ -329,21 +328,21 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
 theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P) :
-    (∑ i in s, w i • (p₁ i -ᵥ p₂ i)) = s.weightedVSub p₁ w - s.weightedVSub p₂ w :=
+    ∑ i in s, w i • (p₁ i -ᵥ p₂ i) = s.weightedVSub p₁ w - s.weightedVSub p₂ w :=
   s.sum_smul_vsub_eq_weightedVSubOfPoint_sub _ _ _ _
 #align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_sub
 
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
 theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p₂ : P)
-    (h : (∑ i in s, w i) = 0) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.weightedVSub p₁ w := by
+    (h : ∑ i in s, w i = 0) : ∑ i in s, w i • (p₁ i -ᵥ p₂) = s.weightedVSub p₁ w := by
   rw [sum_smul_vsub_eq_weighted_vsub_sub, s.weighted_vsub_apply_const _ _ h, sub_zero]
 #align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSub
 
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
 theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P) (p₁ : P)
-    (h : (∑ i in s, w i) = 0) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = -s.weightedVSub p₂ w := by
+    (h : ∑ i in s, w i = 0) : ∑ i in s, w i • (p₁ -ᵥ p₂ i) = -s.weightedVSub p₂ w := by
   rw [sum_smul_vsub_eq_weighted_vsub_sub, s.weighted_vsub_apply_const _ _ h, zero_sub]
 #align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSub
 
@@ -420,7 +419,7 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
 
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
-theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 1) :
+theorem affineCombination_apply_const (w : ι → k) (p : P) (h : ∑ i in s, w i = 1) :
     s.affineCombination k (fun _ => p) w = p := by
   rw [affine_combination_apply, s.weighted_vsub_of_point_apply_const, h, one_smul, vsub_vadd]
 #align finset.affine_combination_apply_const Finset.affineCombination_apply_const
@@ -435,7 +434,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
 theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι → k) (p : ι → P)
-    (h : (∑ i in s, w i) = 1) (b : P) :
+    (h : ∑ i in s, w i = 1) (b : P) :
     s.affineCombination k p w = s.weightedVSubOfPoint p b w +ᵥ b :=
   s.weightedVSubOfPoint_vadd_eq_of_sum_eq_one w p h _ _
 #align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one
@@ -486,7 +485,7 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
 combinations. -/
 @[simp]
 theorem affineCombination_eq_linear_combination (s : Finset ι) (p : ι → V) (w : ι → k)
-    (hw : (∑ i in s, w i) = 1) : s.affineCombination k p w = ∑ i in s, w i • p i := by
+    (hw : ∑ i in s, w i = 1) : s.affineCombination k p w = ∑ i in s, w i • p i := by
   simp [s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w p hw 0]
 #align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combination
 
@@ -498,7 +497,7 @@ and has weight 1 and the other points in the set have weight 0. -/
 theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i : ι} (his : i ∈ s)
     (hwi : w i = 1) (hw0 : ∀ i2 ∈ s, i2 ≠ i → w i2 = 0) : s.affineCombination k p w = p i :=
   by
-  have h1 : (∑ i in s, w i) = 1 := hwi ▸ sum_eq_single i hw0 fun h => False.elim (h his)
+  have h1 : ∑ i in s, w i = 1 := hwi ▸ sum_eq_single i hw0 fun h => False.elim (h his)
   rw [s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w p h1 (p i),
     weighted_vsub_of_point_apply]
   convert zero_vadd V (p i)
@@ -529,7 +528,7 @@ theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
 theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι → P) :
-    (∑ i in s, w i • (p₁ i -ᵥ p₂ i)) = s.affineCombination k p₁ w -ᵥ s.affineCombination k p₂ w :=
+    ∑ i in s, w i • (p₁ i -ᵥ p₂ i) = s.affineCombination k p₁ w -ᵥ s.affineCombination k p₂ w :=
   by
   simp_rw [affine_combination_apply, vadd_vsub_vadd_cancel_right]
   exact s.sum_smul_vsub_eq_weighted_vsub_of_point_sub _ _ _ _
@@ -538,15 +537,15 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι → P) (p₂ : P)
-    (h : (∑ i in s, w i) = 1) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.affineCombination k p₁ w -ᵥ p₂ :=
-  by rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
+    (h : ∑ i in s, w i = 1) : ∑ i in s, w i • (p₁ i -ᵥ p₂) = s.affineCombination k p₁ w -ᵥ p₂ := by
+  rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsub
 
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι → P) (p₁ : P)
-    (h : (∑ i in s, w i) = 1) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = p₁ -ᵥ s.affineCombination k p₂ w :=
-  by rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
+    (h : ∑ i in s, w i = 1) : ∑ i in s, w i • (p₁ -ᵥ p₂ i) = p₁ -ᵥ s.affineCombination k p₂ w := by
+  rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombination
 
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
@@ -601,9 +600,9 @@ corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
 theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V} {x : k} {s : Set ι}
     {p : ι → P} {b : P} :
-    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : (∑ i in fs, w i) = x),
+    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : ∑ i in fs, w i = x),
         v = fs.weightedVSubOfPoint p b w) ↔
-      ∃ (fs : Finset s) (w : s → k) (hw : (∑ i in fs, w i) = x),
+      ∃ (fs : Finset s) (w : s → k) (hw : ∑ i in fs, w i = x),
         v = fs.weightedVSubOfPoint (fun i : s => p i) b w :=
   by
   classical
@@ -627,9 +626,9 @@ only if it can be expressed as `weighted_vsub` with sum of weights 0
 for the corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
 theorem eq_weightedVSub_subset_iff_eq_weightedVSub_subtype {v : V} {s : Set ι} {p : ι → P} :
-    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : (∑ i in fs, w i) = 0),
+    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : ∑ i in fs, w i = 0),
         v = fs.weightedVSub p w) ↔
-      ∃ (fs : Finset s) (w : s → k) (hw : (∑ i in fs, w i) = 0),
+      ∃ (fs : Finset s) (w : s → k) (hw : ∑ i in fs, w i = 0),
         v = fs.weightedVSub (fun i : s => p i) w :=
   eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 #align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype
@@ -645,9 +644,9 @@ indexed family whose index type is the subtype corresponding to that
 subset. -/
 theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s : Set ι}
     {p : ι → P} :
-    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : (∑ i in fs, w i) = 1),
+    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : ∑ i in fs, w i = 1),
         p0 = fs.affineCombination k p w) ↔
-      ∃ (fs : Finset s) (w : s → k) (hw : (∑ i in fs, w i) = 1),
+      ∃ (fs : Finset s) (w : s → k) (hw : ∑ i in fs, w i = 1),
         p0 = fs.affineCombination k (fun i : s => p i) w :=
   by
   simp_rw [affine_combination_apply, eq_vadd_iff_vsub_eq]
@@ -693,7 +692,7 @@ theorem affineCombinationSingleWeights_apply_of_ne [DecidableEq ι] {i j : ι} (
 
 @[simp]
 theorem sum_affineCombinationSingleWeights [DecidableEq ι] {i : ι} (h : i ∈ s) :
-    (∑ j in s, affineCombinationSingleWeights k i j) = 1 :=
+    ∑ j in s, affineCombinationSingleWeights k i j = 1 :=
   by
   rw [← affine_combination_single_weights_apply_self k i]
   exact sum_eq_single_of_mem i h fun j _ hj => affine_combination_single_weights_apply_of_ne k hj
@@ -728,7 +727,7 @@ theorem weightedVSubVSubWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi :
 
 @[simp]
 theorem sum_weightedVSubVSubWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s) :
-    (∑ t in s, weightedVSubVSubWeights k i j t) = 0 :=
+    ∑ t in s, weightedVSubVSubWeights k i j t = 0 :=
   by
   simp_rw [weighted_vsub_vsub_weights, Pi.sub_apply, sum_sub_distrib]
   simp [hi, hj]
@@ -773,7 +772,7 @@ theorem affineCombinationLineMapWeights_apply_of_ne [DecidableEq ι] {i j t : ι
 
 @[simp]
 theorem sum_affineCombinationLineMapWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s)
-    (c : k) : (∑ t in s, affineCombinationLineMapWeights i j c t) = 1 :=
+    (c : k) : ∑ t in s, affineCombinationLineMapWeights i j c t = 1 :=
   by
   simp_rw [affine_combination_line_map_weights, Pi.add_apply, sum_add_distrib]
   simp [hi, hj, ← mul_sum]
@@ -849,7 +848,7 @@ variable {k}
 /-- The weights in the centroid sum to 1, if the number of points,
 converted to `k`, is not zero. -/
 theorem sum_centroidWeights_eq_one_of_cast_card_ne_zero (h : (card s : k) ≠ 0) :
-    (∑ i in s, s.centroidWeights k i) = 1 := by simp [h]
+    ∑ i in s, s.centroidWeights k i = 1 := by simp [h]
 #align finset.sum_centroid_weights_eq_one_of_cast_card_ne_zero Finset.sum_centroidWeights_eq_one_of_cast_card_ne_zero
 
 variable (k)
@@ -857,20 +856,20 @@ variable (k)
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is not zero. -/
 theorem sum_centroidWeights_eq_one_of_card_ne_zero [CharZero k] (h : card s ≠ 0) :
-    (∑ i in s, s.centroidWeights k i) = 1 := by simp [h]
+    ∑ i in s, s.centroidWeights k i = 1 := by simp [h]
 #align finset.sum_centroid_weights_eq_one_of_card_ne_zero Finset.sum_centroidWeights_eq_one_of_card_ne_zero
 
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the set is nonempty. -/
 theorem sum_centroidWeights_eq_one_of_nonempty [CharZero k] (h : s.Nonempty) :
-    (∑ i in s, s.centroidWeights k i) = 1 :=
+    ∑ i in s, s.centroidWeights k i = 1 :=
   s.sum_centroidWeights_eq_one_of_card_ne_zero k (ne_of_gt (card_pos.2 h))
 #align finset.sum_centroid_weights_eq_one_of_nonempty Finset.sum_centroidWeights_eq_one_of_nonempty
 
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeights_eq_one_of_card_eq_add_one [CharZero k] {n : ℕ} (h : card s = n + 1) :
-    (∑ i in s, s.centroidWeights k i) = 1 :=
+    ∑ i in s, s.centroidWeights k i = 1 :=
   s.sum_centroidWeights_eq_one_of_card_ne_zero k (h.symm ▸ Nat.succ_ne_zero n)
 #align finset.sum_centroid_weights_eq_one_of_card_eq_add_one Finset.sum_centroidWeights_eq_one_of_card_eq_add_one
 
@@ -956,7 +955,7 @@ theorem centroidWeightsIndicator_def :
 #print Finset.sum_centroidWeightsIndicator /-
 /-- The sum of the weights for the centroid indexed by a `fintype`. -/
 theorem sum_centroidWeightsIndicator [Fintype ι] :
-    (∑ i, s.centroidWeightsIndicator k i) = ∑ i in s, s.centroidWeights k i :=
+    ∑ i, s.centroidWeightsIndicator k i = ∑ i in s, s.centroidWeights k i :=
   (Set.sum_indicator_subset _ (subset_univ _)).symm
 #align finset.sum_centroid_weights_indicator Finset.sum_centroidWeightsIndicator
 -/
@@ -965,7 +964,7 @@ theorem sum_centroidWeightsIndicator [Fintype ι] :
 indexed by a `fintype` sum to 1 if the number of points is not
 zero. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_card_ne_zero [CharZero k] [Fintype ι]
-    (h : card s ≠ 0) : (∑ i, s.centroidWeightsIndicator k i) = 1 :=
+    (h : card s ≠ 0) : ∑ i, s.centroidWeightsIndicator k i = 1 :=
   by
   rw [sum_centroid_weights_indicator]
   exact s.sum_centroid_weights_eq_one_of_card_ne_zero k h
@@ -974,7 +973,7 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_ne_zero [CharZero k] [Fintyp
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the set is nonempty. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι] (h : s.Nonempty) :
-    (∑ i, s.centroidWeightsIndicator k i) = 1 :=
+    ∑ i, s.centroidWeightsIndicator k i = 1 :=
   by
   rw [sum_centroid_weights_indicator]
   exact s.sum_centroid_weights_eq_one_of_nonempty k h
@@ -983,7 +982,7 @@ theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fintype ι] {n : ℕ}
-    (h : card s = n + 1) : (∑ i, s.centroidWeightsIndicator k i) = 1 :=
+    (h : card s = n + 1) : ∑ i, s.centroidWeightsIndicator k i = 1 :=
   by
   rw [sum_centroid_weights_indicator]
   exact s.sum_centroid_weights_eq_one_of_card_eq_add_one k h
@@ -1058,8 +1057,8 @@ include V
 
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
-theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i in s, w i) = 0)
-    (p : ι → P) : s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by
+theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in s, w i = 0) (p : ι → P) :
+    s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by
   classical
   rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
   · skip; simp [Finset.eq_empty_of_isEmpty s]
@@ -1081,14 +1080,14 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
 `affine_span` of an indexed family, if the underlying ring is
 nontrivial. -/
 theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι → k}
-    (h : (∑ i in s, w i) = 1) (p : ι → P) :
-    s.affineCombination k p w ∈ affineSpan k (Set.range p) := by
+    (h : ∑ i in s, w i = 1) (p : ι → P) : s.affineCombination k p w ∈ affineSpan k (Set.range p) :=
+  by
   classical
-  have hnz : (∑ i in s, w i) ≠ 0 := h.symm ▸ one_ne_zero
+  have hnz : ∑ i in s, w i ≠ 0 := h.symm ▸ one_ne_zero
   have hn : s.nonempty := Finset.nonempty_of_sum_ne_zero hnz
   cases' hn with i1 hi1
   let w1 : ι → k := Function.update (Function.const ι 0) i1 1
-  have hw1 : (∑ i in s, w1 i) = 1 := by
+  have hw1 : ∑ i in s, w1 i = 1 := by
     rw [Finset.sum_update_of_mem hi1, Finset.sum_const_zero, add_zero]
   have hw1s : s.affine_combination k p w1 = p i1 :=
     s.affine_combination_of_eq_one_of_eq_zero w1 p hi1 (Function.update_same _ _ _) fun _ _ hne =>
@@ -1108,7 +1107,7 @@ variable (k) {V}
 if it is a `weighted_vsub` with sum of weights 0. -/
 theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
     v ∈ vectorSpan k (Set.range p) ↔
-      ∃ (s : Finset ι) (w : ι → k) (h : (∑ i in s, w i) = 0), v = s.weightedVSub p w :=
+      ∃ (s : Finset ι) (w : ι → k) (h : ∑ i in s, w i = 0), v = s.weightedVSub p w :=
   by
   classical
   constructor
@@ -1121,7 +1120,7 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
         (l : ι → k) - Function.update (Function.const ι 0 : ι → k) i0 (∑ i in l.support, l i) with
         hwdef
       use w
-      have hw : (∑ i in insert i0 l.support, w i) = 0 :=
+      have hw : ∑ i in insert i0 l.support, w i = 0 :=
         by
         rw [hwdef]
         simp_rw [Pi.sub_apply, Finset.sum_sub_distrib,
@@ -1132,7 +1131,7 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
       change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz 
       rw [Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero _ w p hw (p i0),
         Finset.weightedVSubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
-      change (∑ i in l.support, l i • _) = _
+      change ∑ i in l.support, l i • _ = _
       congr with i
       by_cases h : i = i0
       · simp [h]
@@ -1153,7 +1152,7 @@ variable {k}
 `eq_affine_combination_of_mem_affine_span_of_fintype`. -/
 theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (s : Finset ι) (w : ι → k) (hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w := by
+    ∃ (s : Finset ι) (w : ι → k) (hw : ∑ i in s, w i = 1), p1 = s.affineCombination k p w := by
   classical
   have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
   rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn 
@@ -1165,14 +1164,14 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
   rcases hd with ⟨s, w, h, hs⟩
   let s' := insert i0 s
   let w' := Set.indicator (↑s) w
-  have h' : (∑ i in s', w' i) = 0 := by
+  have h' : ∑ i in s', w' i = 0 := by
     rw [← h, Set.sum_indicator_subset _ (Finset.subset_insert i0 s)]
   have hs' : s'.weighted_vsub p w' = p1 -ᵥ p i0 :=
     by
     rw [hs]
     exact (Finset.weightedVSub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm
   let w0 : ι → k := Function.update (Function.const ι 0) i0 1
-  have hw0 : (∑ i in s', w0 i) = 1 := by
+  have hw0 : ∑ i in s', w0 i = 1 := by
     rw [Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero, add_zero]
   have hw0s : s'.affine_combination k p w0 = p i0 :=
     s'.affine_combination_of_eq_one_of_eq_zero w0 p (Finset.mem_insert_self _ _)
@@ -1185,7 +1184,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (w : ι → k) (hw : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination k p w := by
+    ∃ (w : ι → k) (hw : ∑ i, w i = 1), p1 = Finset.univ.affineCombination k p w := by
   classical
   obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
   refine' ⟨(s : Set ι).indicator w, _, Finset.affineCombination_indicator_subset w p s.subset_univ⟩
@@ -1200,7 +1199,7 @@ if it is an `affine_combination` with sum of weights 1, provided the
 underlying ring is nontrivial. -/
 theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι → P} :
     p1 ∈ affineSpan k (Set.range p) ↔
-      ∃ (s : Finset ι) (w : ι → k) (hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w :=
+      ∃ (s : Finset ι) (w : ι → k) (hw : ∑ i in s, w i = 1), p1 = s.affineCombination k p w :=
   by
   constructor
   · exact eq_affineCombination_of_mem_affineSpan

mathlib commit https://github.com/leanprover-community/mathlib/commit/31c24aa72e7b3e5ed97a8412470e904f82b81004

@@ -997,7 +997,7 @@ theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
   affineCombination_indicator_subset _ _ (subset_univ _)
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 /-- An indexed family of points that is injective on the given
 `finset` has the same centroid as the image of that `finset`.  This is
 stated in terms of a set equal to the image to provide control of
@@ -1032,8 +1032,8 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
   rw [(hf' x).2]
 #align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_on
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
-/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:638:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
 /-- Two indexed families of points that are injective on the given
 `finset`s and with the same points in the image of those `finset`s
 have the same centroid. -/

mathlib commit https://github.com/leanprover-community/mathlib/commit/5f25c089cb34db4db112556f23c50d12da81b297

@@ -469,7 +469,7 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
   classical rw [attach_affine_combination_of_injective s w (coe : s → P) Subtype.coe_injective,
-      univ_eq_attach, attach_image_coe]
+    univ_eq_attach, attach_image_coe]
 #align finset.attach_affine_combination_coe Finset.attach_affineCombination_coe
 
 omit S
@@ -564,13 +564,12 @@ theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k
     (hw : s.weightedVSub p w = (0 : V)) {i : ι} [DecidablePred (· ≠ i)] (his : i ∈ s)
     (hwi : w i = -1) : (s.filterₓ (· ≠ i)).affineCombination k p w = p i := by
   classical
-    rw [← @vsub_eq_zero_iff_eq V, ← hw, ←
-      s.affine_combination_sdiff_sub (singleton_subset_iff.2 his), sdiff_singleton_eq_erase, ←
-      filter_ne']
-    congr
-    refine' (affine_combination_of_eq_one_of_eq_zero _ _ _ (mem_singleton_self _) _ _).symm
-    · simp [hwi]
-    · simp
+  rw [← @vsub_eq_zero_iff_eq V, ← hw, ← s.affine_combination_sdiff_sub (singleton_subset_iff.2 his),
+    sdiff_singleton_eq_erase, ← filter_ne']
+  congr
+  refine' (affine_combination_of_eq_one_of_eq_zero _ _ _ (mem_singleton_self _) _ _).symm
+  · simp [hwi]
+  · simp
 #align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one
 
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
@@ -608,15 +607,15 @@ theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V}
         v = fs.weightedVSubOfPoint (fun i : s => p i) b w :=
   by
   classical
-    simp_rw [weighted_vsub_of_point_apply]
-    constructor
-    · rintro ⟨fs, hfs, w, rfl, rfl⟩
-      use fs.subtype s, fun i => w i, sum_subtype_of_mem _ hfs, (sum_subtype_of_mem _ hfs).symm
-    · rintro ⟨fs, w, rfl, rfl⟩
-      refine'
-          ⟨fs.map (Function.Embedding.subtype _), map_subtype_subset _, fun i =>
-            if h : i ∈ s then w ⟨i, h⟩ else 0, _, _⟩ <;>
-        simp
+  simp_rw [weighted_vsub_of_point_apply]
+  constructor
+  · rintro ⟨fs, hfs, w, rfl, rfl⟩
+    use fs.subtype s, fun i => w i, sum_subtype_of_mem _ hfs, (sum_subtype_of_mem _ hfs).symm
+  · rintro ⟨fs, w, rfl, rfl⟩
+    refine'
+        ⟨fs.map (Function.Embedding.subtype _), map_subtype_subset _, fun i =>
+          if h : i ∈ s then w ⟨i, h⟩ else 0, _, _⟩ <;>
+      simp
 #align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 
 variable (k)
@@ -1043,7 +1042,7 @@ theorem centroid_eq_of_inj_on_of_image_eq {p : ι → P}
     (hi₂ : ∀ (i) (_ : i ∈ s₂) (j) (_ : j ∈ s₂), p₂ i = p₂ j → i = j) (he : p '' ↑s = p₂ '' ↑s₂) :
     s.centroid k p = s₂.centroid k p₂ := by
   classical rw [s.centroid_eq_centroid_image_of_inj_on k hi rfl,
-      s₂.centroid_eq_centroid_image_of_inj_on k hi₂ he]
+    s₂.centroid_eq_centroid_image_of_inj_on k hi₂ he]
 #align finset.centroid_eq_of_inj_on_of_image_eq Finset.centroid_eq_of_inj_on_of_image_eq
 
 end Finset
@@ -1062,20 +1061,20 @@ an indexed family. -/
 theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i in s, w i) = 0)
     (p : ι → P) : s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by
   classical
-    rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
-    · skip; simp [Finset.eq_empty_of_isEmpty s]
-    · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
-        Finsupp.mem_span_image_iff_total,
-        Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero s w p h (p i0),
-        Finset.weightedVSubOfPoint_apply]
-      let w' := Set.indicator (↑s) w
-      have hwx : ∀ i, w' i ≠ 0 → i ∈ s := fun i => Set.mem_of_indicator_ne_zero
-      use Finsupp.onFinset s w' hwx, Set.subset_univ _
-      rw [Finsupp.total_apply, Finsupp.onFinset_sum hwx]
-      · apply Finset.sum_congr rfl
-        intro i hi
-        simp [w', Set.indicator_apply, if_pos hi]
-      · exact fun _ => zero_smul k _
+  rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
+  · skip; simp [Finset.eq_empty_of_isEmpty s]
+  · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
+      Finsupp.mem_span_image_iff_total,
+      Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero s w p h (p i0),
+      Finset.weightedVSubOfPoint_apply]
+    let w' := Set.indicator (↑s) w
+    have hwx : ∀ i, w' i ≠ 0 → i ∈ s := fun i => Set.mem_of_indicator_ne_zero
+    use Finsupp.onFinset s w' hwx, Set.subset_univ _
+    rw [Finsupp.total_apply, Finsupp.onFinset_sum hwx]
+    · apply Finset.sum_congr rfl
+      intro i hi
+      simp [w', Set.indicator_apply, if_pos hi]
+    · exact fun _ => zero_smul k _
 #align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpan
 
 /-- An `affine_combination` with sum of weights 1 is in the
@@ -1085,22 +1084,22 @@ theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι
     (h : (∑ i in s, w i) = 1) (p : ι → P) :
     s.affineCombination k p w ∈ affineSpan k (Set.range p) := by
   classical
-    have hnz : (∑ i in s, w i) ≠ 0 := h.symm ▸ one_ne_zero
-    have hn : s.nonempty := Finset.nonempty_of_sum_ne_zero hnz
-    cases' hn with i1 hi1
-    let w1 : ι → k := Function.update (Function.const ι 0) i1 1
-    have hw1 : (∑ i in s, w1 i) = 1 := by
-      rw [Finset.sum_update_of_mem hi1, Finset.sum_const_zero, add_zero]
-    have hw1s : s.affine_combination k p w1 = p i1 :=
-      s.affine_combination_of_eq_one_of_eq_zero w1 p hi1 (Function.update_same _ _ _) fun _ _ hne =>
-        Function.update_noteq hne _ _
-    have hv : s.affine_combination k p w -ᵥ p i1 ∈ (affineSpan k (Set.range p)).direction :=
-      by
-      rw [direction_affineSpan, ← hw1s, Finset.affineCombination_vsub]
-      apply weightedVSub_mem_vectorSpan
-      simp [Pi.sub_apply, h, hw1]
-    rw [← vsub_vadd (s.affine_combination k p w) (p i1)]
-    exact AffineSubspace.vadd_mem_of_mem_direction hv (mem_affineSpan k (Set.mem_range_self _))
+  have hnz : (∑ i in s, w i) ≠ 0 := h.symm ▸ one_ne_zero
+  have hn : s.nonempty := Finset.nonempty_of_sum_ne_zero hnz
+  cases' hn with i1 hi1
+  let w1 : ι → k := Function.update (Function.const ι 0) i1 1
+  have hw1 : (∑ i in s, w1 i) = 1 := by
+    rw [Finset.sum_update_of_mem hi1, Finset.sum_const_zero, add_zero]
+  have hw1s : s.affine_combination k p w1 = p i1 :=
+    s.affine_combination_of_eq_one_of_eq_zero w1 p hi1 (Function.update_same _ _ _) fun _ _ hne =>
+      Function.update_noteq hne _ _
+  have hv : s.affine_combination k p w -ᵥ p i1 ∈ (affineSpan k (Set.range p)).direction :=
+    by
+    rw [direction_affineSpan, ← hw1s, Finset.affineCombination_vsub]
+    apply weightedVSub_mem_vectorSpan
+    simp [Pi.sub_apply, h, hw1]
+  rw [← vsub_vadd (s.affine_combination k p w) (p i1)]
+  exact AffineSubspace.vadd_mem_of_mem_direction hv (mem_affineSpan k (Set.mem_range_self _))
 #align affine_combination_mem_affine_span affineCombination_mem_affineSpan
 
 variable (k) {V}
@@ -1112,40 +1111,39 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
       ∃ (s : Finset ι) (w : ι → k) (h : (∑ i in s, w i) = 0), v = s.weightedVSub p w :=
   by
   classical
-    constructor
-    · rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩); swap
-      · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
-          Finsupp.mem_span_image_iff_total]
-        rintro ⟨l, hl, hv⟩
-        use insert i0 l.support
-        set w :=
-          (l : ι → k) - Function.update (Function.const ι 0 : ι → k) i0 (∑ i in l.support, l i) with
-          hwdef
-        use w
-        have hw : (∑ i in insert i0 l.support, w i) = 0 :=
-          by
-          rw [hwdef]
-          simp_rw [Pi.sub_apply, Finset.sum_sub_distrib,
-            Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero,
-            Finset.sum_insert_of_eq_zero_if_not_mem Finsupp.not_mem_support_iff.1, add_zero,
-            sub_self]
-        use hw
-        have hz : w i0 • (p i0 -ᵥ p i0 : V) = 0 := (vsub_self (p i0)).symm ▸ smul_zero _
-        change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz 
-        rw [Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero _ w p hw (p i0),
-          Finset.weightedVSubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
-        change (∑ i in l.support, l i • _) = _
-        congr with i
-        by_cases h : i = i0
-        · simp [h]
-        · simp [hwdef, h]
-      · skip
-        rw [Set.range_eq_empty, vectorSpan_empty, Submodule.mem_bot]
-        rintro rfl
-        use ∅
-        simp
-    · rintro ⟨s, w, hw, rfl⟩
-      exact weightedVSub_mem_vectorSpan hw p
+  constructor
+  · rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩); swap
+    · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
+        Finsupp.mem_span_image_iff_total]
+      rintro ⟨l, hl, hv⟩
+      use insert i0 l.support
+      set w :=
+        (l : ι → k) - Function.update (Function.const ι 0 : ι → k) i0 (∑ i in l.support, l i) with
+        hwdef
+      use w
+      have hw : (∑ i in insert i0 l.support, w i) = 0 :=
+        by
+        rw [hwdef]
+        simp_rw [Pi.sub_apply, Finset.sum_sub_distrib,
+          Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero,
+          Finset.sum_insert_of_eq_zero_if_not_mem Finsupp.not_mem_support_iff.1, add_zero, sub_self]
+      use hw
+      have hz : w i0 • (p i0 -ᵥ p i0 : V) = 0 := (vsub_self (p i0)).symm ▸ smul_zero _
+      change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz 
+      rw [Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero _ w p hw (p i0),
+        Finset.weightedVSubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
+      change (∑ i in l.support, l i • _) = _
+      congr with i
+      by_cases h : i = i0
+      · simp [h]
+      · simp [hwdef, h]
+    · skip
+      rw [Set.range_eq_empty, vectorSpan_empty, Submodule.mem_bot]
+      rintro rfl
+      use ∅
+      simp
+  · rintro ⟨s, w, hw, rfl⟩
+    exact weightedVSub_mem_vectorSpan hw p
 #align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSub
 
 variable {k}
@@ -1157,43 +1155,42 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
     ∃ (s : Finset ι) (w : ι → k) (hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w := by
   classical
-    have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
-    rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn 
-    cases' hn with i0
-    have h0 : p i0 ∈ affineSpan k (Set.range p) := mem_affineSpan k (Set.mem_range_self i0)
-    have hd : p1 -ᵥ p i0 ∈ (affineSpan k (Set.range p)).direction :=
-      AffineSubspace.vsub_mem_direction h h0
-    rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd 
-    rcases hd with ⟨s, w, h, hs⟩
-    let s' := insert i0 s
-    let w' := Set.indicator (↑s) w
-    have h' : (∑ i in s', w' i) = 0 := by
-      rw [← h, Set.sum_indicator_subset _ (Finset.subset_insert i0 s)]
-    have hs' : s'.weighted_vsub p w' = p1 -ᵥ p i0 :=
-      by
-      rw [hs]
-      exact (Finset.weightedVSub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm
-    let w0 : ι → k := Function.update (Function.const ι 0) i0 1
-    have hw0 : (∑ i in s', w0 i) = 1 := by
-      rw [Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero, add_zero]
-    have hw0s : s'.affine_combination k p w0 = p i0 :=
-      s'.affine_combination_of_eq_one_of_eq_zero w0 p (Finset.mem_insert_self _ _)
-        (Function.update_same _ _ _) fun _ _ hne => Function.update_noteq hne _ _
-    use s', w0 + w'
-    constructor
-    · simp [Pi.add_apply, Finset.sum_add_distrib, hw0, h']
-    · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
+  have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
+  rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn 
+  cases' hn with i0
+  have h0 : p i0 ∈ affineSpan k (Set.range p) := mem_affineSpan k (Set.mem_range_self i0)
+  have hd : p1 -ᵥ p i0 ∈ (affineSpan k (Set.range p)).direction :=
+    AffineSubspace.vsub_mem_direction h h0
+  rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd 
+  rcases hd with ⟨s, w, h, hs⟩
+  let s' := insert i0 s
+  let w' := Set.indicator (↑s) w
+  have h' : (∑ i in s', w' i) = 0 := by
+    rw [← h, Set.sum_indicator_subset _ (Finset.subset_insert i0 s)]
+  have hs' : s'.weighted_vsub p w' = p1 -ᵥ p i0 :=
+    by
+    rw [hs]
+    exact (Finset.weightedVSub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm
+  let w0 : ι → k := Function.update (Function.const ι 0) i0 1
+  have hw0 : (∑ i in s', w0 i) = 1 := by
+    rw [Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero, add_zero]
+  have hw0s : s'.affine_combination k p w0 = p i0 :=
+    s'.affine_combination_of_eq_one_of_eq_zero w0 p (Finset.mem_insert_self _ _)
+      (Function.update_same _ _ _) fun _ _ hne => Function.update_noteq hne _ _
+  use s', w0 + w'
+  constructor
+  · simp [Pi.add_apply, Finset.sum_add_distrib, hw0, h']
+  · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
 #align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpan
 
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
     ∃ (w : ι → k) (hw : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination k p w := by
   classical
-    obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
-    refine'
-      ⟨(s : Set ι).indicator w, _, Finset.affineCombination_indicator_subset w p s.subset_univ⟩
-    simp only [Finset.mem_coe, Set.indicator_apply, ← hw]
-    rw [Fintype.sum_extend_by_zero s w]
+  obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
+  refine' ⟨(s : Set ι).indicator w, _, Finset.affineCombination_indicator_subset w p s.subset_univ⟩
+  simp only [Finset.mem_coe, Set.indicator_apply, ← hw]
+  rw [Fintype.sum_extend_by_zero s w]
 #align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintype
 
 variable (k V)
@@ -1224,16 +1221,16 @@ theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι 
     exact ⟨s, w, s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w p hw (p j)⟩
   · rintro ⟨s, w, rfl⟩
     classical
-      let w' : ι → k := Function.update w j (1 - (s \ {j}).Sum w)
-      have h₁ : (insert j s).Sum w' = 1 := by
-        by_cases hj : j ∈ s
-        · simp [Finset.sum_update_of_mem hj, Finset.insert_eq_of_mem hj]
-        · simp [w', Finset.sum_insert hj, Finset.sum_update_of_not_mem hj, hj]
-      have hww : ∀ i, i ≠ j → w i = w' i := by intro i hij; simp [w', hij]
-      rw [s.weighted_vsub_of_point_eq_of_weights_eq p j w w' hww, ←
-        s.weighted_vsub_of_point_insert w' p j, ←
-        (insert j s).affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]
-      exact affineCombination_mem_affineSpan h₁ p
+    let w' : ι → k := Function.update w j (1 - (s \ {j}).Sum w)
+    have h₁ : (insert j s).Sum w' = 1 := by
+      by_cases hj : j ∈ s
+      · simp [Finset.sum_update_of_mem hj, Finset.insert_eq_of_mem hj]
+      · simp [w', Finset.sum_insert hj, Finset.sum_update_of_not_mem hj, hj]
+    have hww : ∀ i, i ≠ j → w i = w' i := by intro i hij; simp [w', hij]
+    rw [s.weighted_vsub_of_point_eq_of_weights_eq p j w w' hww, ←
+      s.weighted_vsub_of_point_insert w' p j, ←
+      (insert j s).affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]
+    exact affineCombination_mem_affineSpan h₁ p
 #align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd
 
 variable {k V}

mathlib commit https://github.com/leanprover-community/mathlib/commit/cca40788df1b8755d5baf17ab2f27dacc2e17acb

@@ -602,9 +602,9 @@ corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
 theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V} {x : k} {s : Set ι}
     {p : ι → P} {b : P} :
-    (∃ (fs : Finset ι)(hfs : ↑fs ⊆ s)(w : ι → k)(hw : (∑ i in fs, w i) = x),
+    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : (∑ i in fs, w i) = x),
         v = fs.weightedVSubOfPoint p b w) ↔
-      ∃ (fs : Finset s)(w : s → k)(hw : (∑ i in fs, w i) = x),
+      ∃ (fs : Finset s) (w : s → k) (hw : (∑ i in fs, w i) = x),
         v = fs.weightedVSubOfPoint (fun i : s => p i) b w :=
   by
   classical
@@ -628,9 +628,9 @@ only if it can be expressed as `weighted_vsub` with sum of weights 0
 for the corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
 theorem eq_weightedVSub_subset_iff_eq_weightedVSub_subtype {v : V} {s : Set ι} {p : ι → P} :
-    (∃ (fs : Finset ι)(hfs : ↑fs ⊆ s)(w : ι → k)(hw : (∑ i in fs, w i) = 0),
+    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : (∑ i in fs, w i) = 0),
         v = fs.weightedVSub p w) ↔
-      ∃ (fs : Finset s)(w : s → k)(hw : (∑ i in fs, w i) = 0),
+      ∃ (fs : Finset s) (w : s → k) (hw : (∑ i in fs, w i) = 0),
         v = fs.weightedVSub (fun i : s => p i) w :=
   eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 #align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype
@@ -646,9 +646,9 @@ indexed family whose index type is the subtype corresponding to that
 subset. -/
 theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s : Set ι}
     {p : ι → P} :
-    (∃ (fs : Finset ι)(hfs : ↑fs ⊆ s)(w : ι → k)(hw : (∑ i in fs, w i) = 1),
+    (∃ (fs : Finset ι) (hfs : ↑fs ⊆ s) (w : ι → k) (hw : (∑ i in fs, w i) = 1),
         p0 = fs.affineCombination k p w) ↔
-      ∃ (fs : Finset s)(w : s → k)(hw : (∑ i in fs, w i) = 1),
+      ∃ (fs : Finset s) (w : s → k) (hw : (∑ i in fs, w i) = 1),
         p0 = fs.affineCombination k (fun i : s => p i) w :=
   by
   simp_rw [affine_combination_apply, eq_vadd_iff_vsub_eq]
@@ -892,7 +892,7 @@ theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (
 #align finset.centroid_def Finset.centroid_def
 
 theorem centroid_univ (s : Finset P) : univ.centroid k (coe : s → P) = s.centroid k id := by
-  rw [centroid, centroid, ← s.attach_affine_combination_coe]; congr ; ext; simp
+  rw [centroid, centroid, ← s.attach_affine_combination_coe]; congr; ext; simp
 #align finset.centroid_univ Finset.centroid_univ
 
 /-- The centroid of a single point. -/
@@ -1109,7 +1109,7 @@ variable (k) {V}
 if it is a `weighted_vsub` with sum of weights 0. -/
 theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
     v ∈ vectorSpan k (Set.range p) ↔
-      ∃ (s : Finset ι)(w : ι → k)(h : (∑ i in s, w i) = 0), v = s.weightedVSub p w :=
+      ∃ (s : Finset ι) (w : ι → k) (h : (∑ i in s, w i) = 0), v = s.weightedVSub p w :=
   by
   classical
     constructor
@@ -1131,7 +1131,7 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
             sub_self]
         use hw
         have hz : w i0 • (p i0 -ᵥ p i0 : V) = 0 := (vsub_self (p i0)).symm ▸ smul_zero _
-        change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz
+        change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz 
         rw [Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero _ w p hw (p i0),
           Finset.weightedVSubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
         change (∑ i in l.support, l i • _) = _
@@ -1155,15 +1155,15 @@ variable {k}
 `eq_affine_combination_of_mem_affine_span_of_fintype`. -/
 theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (s : Finset ι)(w : ι → k)(hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w := by
+    ∃ (s : Finset ι) (w : ι → k) (hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w := by
   classical
     have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
-    rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn
+    rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn 
     cases' hn with i0
     have h0 : p i0 ∈ affineSpan k (Set.range p) := mem_affineSpan k (Set.mem_range_self i0)
     have hd : p1 -ᵥ p i0 ∈ (affineSpan k (Set.range p)).direction :=
       AffineSubspace.vsub_mem_direction h h0
-    rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd
+    rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd 
     rcases hd with ⟨s, w, h, hs⟩
     let s' := insert i0 s
     let w' := Set.indicator (↑s) w
@@ -1187,7 +1187,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (w : ι → k)(hw : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination k p w := by
+    ∃ (w : ι → k) (hw : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination k p w := by
   classical
     obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
     refine'
@@ -1203,7 +1203,7 @@ if it is an `affine_combination` with sum of weights 1, provided the
 underlying ring is nontrivial. -/
 theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι → P} :
     p1 ∈ affineSpan k (Set.range p) ↔
-      ∃ (s : Finset ι)(w : ι → k)(hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w :=
+      ∃ (s : Finset ι) (w : ι → k) (hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w :=
   by
   constructor
   · exact eq_affineCombination_of_mem_affineSpan
@@ -1216,7 +1216,7 @@ affine span of this family corresponds to an identity in terms of `weighted_vsub
 weights that are not required to sum to 1. -/
 theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι → P) (j : ι) (q : P) :
     q ∈ affineSpan k (Set.range p) ↔
-      ∃ (s : Finset ι)(w : ι → k), q = s.weightedVSubOfPoint p (p j) w +ᵥ p j :=
+      ∃ (s : Finset ι) (w : ι → k), q = s.weightedVSubOfPoint p (p j) w +ᵥ p j :=
   by
   constructor
   · intro hq
@@ -1248,10 +1248,10 @@ theorem affineSpan_eq_affineSpan_lineMap_units [Nontrivial k] {s : Set P} {p : P
   have : s = Set.range (coe : s → P) := by simp
   conv_rhs => rw [this]
   apply le_antisymm <;> intro q hq <;>
-            erw [mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd k V _ (⟨p, hp⟩ : s) q] at hq⊢ <;>
+            erw [mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd k V _ (⟨p, hp⟩ : s) q] at hq ⊢ <;>
           obtain ⟨t, μ, rfl⟩ := hq <;>
         use t <;>
-      [use fun x => μ x * ↑(w x);use fun x => μ x * ↑(w x)⁻¹] <;>
+      [use fun x => μ x * ↑(w x); use fun x => μ x * ↑(w x)⁻¹] <;>
     simp [smul_smul]
 #align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_units
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/917c3c072e487b3cccdbfeff17e75b40e45f66cb

@@ -52,7 +52,7 @@ These definitions are for sums over a `finset`; versions for a
 
 noncomputable section
 
-open BigOperators Affine
+open scoped BigOperators Affine
 
 namespace Finset
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/917c3c072e487b3cccdbfeff17e75b40e45f66cb

@@ -56,12 +56,6 @@ open BigOperators Affine
 
 namespace Finset
 
-/- warning: finset.univ_fin2 -> Finset.univ_fin2 is a dubious translation:
-lean 3 declaration is
-  Eq.{1} (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (Finset.univ.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (Fin.fintype (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (Insert.insert.{0, 0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (Finset.hasInsert.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (fun (a : Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (b : Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) => Fin.decidableEq (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))) a b)) (OfNat.ofNat.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 0 (OfNat.mk.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 0 (Zero.zero.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) (Fin.hasZeroOfNeZero (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)) (CharZero.NeZero.two.{0} Nat (AddCommMonoidWithOne.toAddMonoidWithOne.{0} Nat (NonAssocSemiring.toAddCommMonoidWithOne.{0} Nat (Semiring.toNonAssocSemiring.{0} Nat Nat.semiring))) (StrictOrderedSemiring.to_charZero.{0} Nat Nat.strictOrderedSemiring)))))) (Singleton.singleton.{0, 0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (Finset.hasSingleton.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (OfNat.ofNat.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 1 (OfNat.mk.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 1 (One.one.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) (Fin.hasOneOfNeZero (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)) (CharZero.NeZero.two.{0} Nat (AddCommMonoidWithOne.toAddMonoidWithOne.{0} Nat (NonAssocSemiring.toAddCommMonoidWithOne.{0} Nat (Semiring.toNonAssocSemiring.{0} Nat Nat.semiring))) (StrictOrderedSemiring.to_charZero.{0} Nat Nat.strictOrderedSemiring))))))))
-but is expected to have type
-  Eq.{1} (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (Finset.univ.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Fin.fintype (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (Insert.insert.{0, 0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (Finset.instInsertFinset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (fun (a : Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (b : Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) => instDecidableEqFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) a b)) (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 0 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 0 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1))))) (Singleton.singleton.{0, 0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (Finset.instSingletonFinset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 1 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 1 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))))))
-Case conversion may be inaccurate. Consider using '#align finset.univ_fin2 Finset.univ_fin2ₓ'. -/
 theorem univ_fin2 : (univ : Finset (Fin 2)) = {0, 1} := by ext x; fin_cases x <;> simp
 #align finset.univ_fin2 Finset.univ_fin2
 
@@ -87,18 +81,12 @@ def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
 #align finset.weighted_vsub_of_point Finset.weightedVSubOfPoint
 -/
 
-/- warning: finset.weighted_vsub_of_point_apply -> Finset.weightedVSubOfPoint_apply is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_applyₓ'. -/
 @[simp]
 theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
     s.weightedVSubOfPoint p b w = ∑ i in s, w i • (p i -ᵥ b) := by
   simp [weighted_vsub_of_point, LinearMap.sum_apply]
 #align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_apply
 
-/- warning: finset.weighted_vsub_of_point_apply_const -> Finset.weightedVSubOfPoint_apply_const is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_constₓ'. -/
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
 theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
@@ -106,9 +94,6 @@ theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
   rw [weighted_vsub_of_point_apply, sum_smul]
 #align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_const
 
-/- warning: finset.weighted_vsub_of_point_congr -> Finset.weightedVSubOfPoint_congr is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congrₓ'. -/
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
 theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
@@ -120,9 +105,6 @@ theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁
   rw [hw i hi, hp i hi]
 #align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congr
 
-/- warning: finset.weighted_vsub_of_point_eq_of_weights_eq -> Finset.weightedVSubOfPoint_eq_of_weights_eq is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eqₓ'. -/
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
 theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂ : ι → k)
@@ -137,9 +119,6 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
   · simp [hw i h]
 #align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eq
 
-/- warning: finset.weighted_vsub_of_point_eq_of_sum_eq_zero -> Finset.weightedVSubOfPoint_eq_of_sum_eq_zero is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zeroₓ'. -/
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
 theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 0)
@@ -155,9 +134,6 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
   rw [← sum_smul, h, zero_smul]
 #align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zero
 
-/- warning: finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one -> Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_one is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_oneₓ'. -/
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
 theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 1)
@@ -176,9 +152,6 @@ theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
   rw [← sum_smul, h, one_smul, vsub_add_vsub_cancel, vsub_self]
 #align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_one
 
-/- warning: finset.weighted_vsub_of_point_erase -> Finset.weightedVSubOfPoint_erase is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_eraseₓ'. -/
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
 @[simp]
@@ -190,9 +163,6 @@ theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P)
   rw [vsub_self, smul_zero]
 #align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_erase
 
-/- warning: finset.weighted_vsub_of_point_insert -> Finset.weightedVSubOfPoint_insert is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insertₓ'. -/
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
 @[simp]
@@ -204,9 +174,6 @@ theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P
   rw [vsub_self, smul_zero]
 #align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insert
 
-/- warning: finset.weighted_vsub_of_point_indicator_subset -> Finset.weightedVSubOfPoint_indicator_subset is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
 theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b : P) {s₁ s₂ : Finset ι}
@@ -218,9 +185,6 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
     Set.sum_indicator_subset_of_eq_zero w (fun i wi => wi • (p i -ᵥ b : V)) h fun i => zero_smul k _
 #align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subset
 
-/- warning: finset.weighted_vsub_of_point_map -> Finset.weightedVSubOfPoint_map is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_mapₓ'. -/
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
 `finset`. -/
@@ -231,9 +195,6 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
   exact Finset.sum_map _ _ _
 #align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_map
 
-/- warning: finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub -> Finset.sum_smul_vsub_eq_weightedVSubOfPoint_sub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
 theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι → P) (b : P) :
@@ -243,9 +204,6 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
   simp_rw [weighted_vsub_of_point_apply, ← sum_sub_distrib, ← smul_sub, vsub_sub_vsub_cancel_right]
 #align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_sub
 
-/- warning: finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub -> Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
 theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι → P) (p₂ b : P) :
@@ -253,9 +211,6 @@ theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι
   by rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
 #align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub
 
-/- warning: finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point -> Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPointₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
 theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι → P) (p₁ b : P) :
@@ -263,9 +218,6 @@ theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι
   by rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
 #align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint
 
-/- warning: finset.weighted_vsub_of_point_sdiff -> Finset.weightedVSubOfPoint_sdiff is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) (b : P) :
@@ -274,9 +226,6 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
   by simp_rw [weighted_vsub_of_point_apply, sum_sdiff h]
 #align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiff
 
-/- warning: finset.weighted_vsub_of_point_sdiff_sub -> Finset.weightedVSubOfPoint_sdiff_sub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) (b : P) :
@@ -285,9 +234,6 @@ theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
   by rw [map_neg, sub_neg_eq_add, s.weighted_vsub_of_point_sdiff h]
 #align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_sub
 
-/- warning: finset.weighted_vsub_of_point_subtype_eq_filter -> Finset.weightedVSubOfPoint_subtype_eq_filter is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
     [DecidablePred pred] :
@@ -296,9 +242,6 @@ theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b :
   by rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply, ← sum_subtype_eq_sum_filter]
 #align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filter
 
-/- warning: finset.weighted_vsub_of_point_filter_of_ne -> Finset.weightedVSubOfPoint_filter_of_ne is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
 theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {pred : ι → Prop}
@@ -312,9 +255,6 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
   simpa [hw] using hne
 #align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_ne
 
-/- warning: finset.weighted_vsub_of_point_const_smul -> Finset.weightedVSubOfPoint_const_smul is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
 theorem weightedVSubOfPoint_const_smul (w : ι → k) (p : ι → P) (b : P) (c : k) :
@@ -332,12 +272,6 @@ def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
 #align finset.weighted_vsub Finset.weightedVSub
 -/
 
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-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply Finset.weightedVSub_applyₓ'. -/
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
 that base point will cancel out later); a more typical use case for
@@ -349,9 +283,6 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
   simp [weighted_vsub, LinearMap.sum_apply]
 #align finset.weighted_vsub_apply Finset.weightedVSub_apply
 
-/- warning: finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero -> Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
 theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : ι → P)
@@ -359,9 +290,6 @@ theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : 
   s.weightedVSubOfPoint_eq_of_sum_eq_zero w p h _ _
 #align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero
 
-/- warning: finset.weighted_vsub_apply_const -> Finset.weightedVSub_apply_const is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
 @[simp]
@@ -370,21 +298,12 @@ theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) =
   rw [weighted_vsub, weighted_vsub_of_point_apply_const, h, zero_smul]
 #align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_const
 
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-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_empty Finset.weightedVSub_emptyₓ'. -/
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
 theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).weightedVSub p w = (0 : V) := by
   simp [weighted_vsub_apply]
 #align finset.weighted_vsub_empty Finset.weightedVSub_empty
 
-/- warning: finset.weighted_vsub_congr -> Finset.weightedVSub_congr is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
 theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
@@ -392,9 +311,6 @@ theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w
   s.weightedVSubOfPoint_congr hw hp _
 #align finset.weighted_vsub_congr Finset.weightedVSub_congr
 
-/- warning: finset.weighted_vsub_indicator_subset -> Finset.weightedVSub_indicator_subset is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
 theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ : Finset ι} (h : s₁ ⊆ s₂) :
@@ -402,9 +318,6 @@ theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ :
   weightedVSubOfPoint_indicator_subset _ _ _ h
 #align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subset
 
-/- warning: finset.weighted_vsub_map -> Finset.weightedVSub_map is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
 original `finset`. -/
@@ -413,9 +326,6 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
   s₂.weightedVSubOfPoint_map _ _ _ _
 #align finset.weighted_vsub_map Finset.weightedVSub_map
 
-/- warning: finset.sum_smul_vsub_eq_weighted_vsub_sub -> Finset.sum_smul_vsub_eq_weightedVSub_sub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
 theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P) :
@@ -423,9 +333,6 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
   s.sum_smul_vsub_eq_weightedVSubOfPoint_sub _ _ _ _
 #align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_sub
 
-/- warning: finset.sum_smul_vsub_const_eq_weighted_vsub -> Finset.sum_smul_vsub_const_eq_weightedVSub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
 theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p₂ : P)
@@ -433,9 +340,6 @@ theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p
   rw [sum_smul_vsub_eq_weighted_vsub_sub, s.weighted_vsub_apply_const _ _ h, sub_zero]
 #align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSub
 
-/- warning: finset.sum_smul_const_vsub_eq_neg_weighted_vsub -> Finset.sum_smul_const_vsub_eq_neg_weightedVSub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
 theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P) (p₁ : P)
@@ -443,27 +347,18 @@ theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P)
   rw [sum_smul_vsub_eq_weighted_vsub_sub, s.weighted_vsub_apply_const _ _ h, zero_sub]
 #align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSub
 
-/- warning: finset.weighted_vsub_sdiff -> Finset.weightedVSub_sdiff is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
     (s \ s₂).weightedVSub p w + s₂.weightedVSub p w = s.weightedVSub p w :=
   s.weightedVSubOfPoint_sdiff h _ _ _
 #align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiff
 
-/- warning: finset.weighted_vsub_sdiff_sub -> Finset.weightedVSub_sdiff_sub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) : (s \ s₂).weightedVSub p w - s₂.weightedVSub p (-w) = s.weightedVSub p w :=
   s.weightedVSubOfPoint_sdiff_sub h _ _ _
 #align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_sub
 
-/- warning: finset.weighted_vsub_subtype_eq_filter -> Finset.weightedVSub_subtype_eq_filter is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
     [DecidablePred pred] :
@@ -472,9 +367,6 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
   s.weightedVSubOfPoint_subtype_eq_filter _ _ _ _
 #align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filter
 
-/- warning: finset.weighted_vsub_filter_of_ne -> Finset.weightedVSub_filter_of_ne is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
 theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → Prop} [DecidablePred pred]
@@ -482,9 +374,6 @@ theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → P
   s.weightedVSubOfPoint_filter_of_ne _ _ _ h
 #align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_ne
 
-/- warning: finset.weighted_vsub_const_smul -> Finset.weightedVSub_const_smul is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
     s.weightedVSub p (c • w) = c • s.weightedVSub p w :=
@@ -493,12 +382,6 @@ theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
 
 variable (k)
 
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-Case conversion may be inaccurate. Consider using '#align finset.affine_combination Finset.affineCombinationₓ'. -/
 /-- A weighted sum of the results of subtracting a default base point
 from the given points, added to that base point, as an affine map on
 the weights.  This is intended to be used when the sum of the weights
@@ -512,12 +395,6 @@ def affineCombination (p : ι → P) : (ι → k) →ᵃ[k] P
   map_vadd' w₁ w₂ := by simp_rw [vadd_vadd, weighted_vsub, vadd_eq_add, LinearMap.map_add]
 #align finset.affine_combination Finset.affineCombination
 
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-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_linear Finset.affineCombination_linearₓ'. -/
 /-- The linear map corresponding to `affine_combination` is
 `weighted_vsub`. -/
 @[simp]
@@ -528,9 +405,6 @@ theorem affineCombination_linear (p : ι → P) :
 
 variable {k}
 
-/- warning: finset.affine_combination_apply -> Finset.affineCombination_apply is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
 when that base point will cancel out later); a more typical use case
@@ -544,9 +418,6 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
   rfl
 #align finset.affine_combination_apply Finset.affineCombination_apply
 
-/- warning: finset.affine_combination_apply_const -> Finset.affineCombination_apply_const is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply_const Finset.affineCombination_apply_constₓ'. -/
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
 theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 1) :
@@ -554,9 +425,6 @@ theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w
   rw [affine_combination_apply, s.weighted_vsub_of_point_apply_const, h, one_smul, vsub_vadd]
 #align finset.affine_combination_apply_const Finset.affineCombination_apply_const
 
-/- warning: finset.affine_combination_congr -> Finset.affineCombination_congr is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_congr Finset.affineCombination_congrₓ'. -/
 /-- `affine_combination` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
 theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
@@ -564,9 +432,6 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
   simp_rw [affine_combination_apply, s.weighted_vsub_of_point_congr hw hp]
 #align finset.affine_combination_congr Finset.affineCombination_congr
 
-/- warning: finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one -> Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
 theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι → k) (p : ι → P)
@@ -575,27 +440,18 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
   s.weightedVSubOfPoint_vadd_eq_of_sum_eq_one w p h _ _
 #align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one
 
-/- warning: finset.weighted_vsub_vadd_affine_combination -> Finset.weightedVSub_vadd_affineCombination is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
     s.weightedVSub p w₁ +ᵥ s.affineCombination k p w₂ = s.affineCombination k p (w₁ + w₂) := by
   rw [← vadd_eq_add, AffineMap.map_vadd, affine_combination_linear]
 #align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombination
 
-/- warning: finset.affine_combination_vsub -> Finset.affineCombination_vsub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
     s.affineCombination k p w₁ -ᵥ s.affineCombination k p w₂ = s.weightedVSub p (w₁ - w₂) := by
   rw [← AffineMap.linearMap_vsub, affine_combination_linear, vsub_eq_sub]
 #align finset.affine_combination_vsub Finset.affineCombination_vsub
 
-/- warning: finset.attach_affine_combination_of_injective -> Finset.attach_affineCombination_of_injective is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injectiveₓ'. -/
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
     s.attach.affineCombination k f (w ∘ f) = (image f univ).affineCombination k id w :=
@@ -610,9 +466,6 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
   exact fun _ _ _ _ hxy => hf hxy
 #align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injective
 
-/- warning: finset.attach_affine_combination_coe -> Finset.attach_affineCombination_coe is a dubious translation:
-<too large>
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 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
   classical rw [attach_affine_combination_of_injective s w (coe : s → P) Subtype.coe_injective,
@@ -621,12 +474,6 @@ theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
 
 omit S
 
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-Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
 @[simp]
@@ -635,9 +482,6 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
   simp [s.weighted_vsub_apply, vsub_eq_sub, smul_sub, ← Finset.sum_smul, hw]
 #align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combination
 
-/- warning: finset.affine_combination_eq_linear_combination -> Finset.affineCombination_eq_linear_combination is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, affine combinations are just linear
 combinations. -/
 @[simp]
@@ -648,9 +492,6 @@ theorem affineCombination_eq_linear_combination (s : Finset ι) (p : ι → V) (
 
 include S
 
-/- warning: finset.affine_combination_of_eq_one_of_eq_zero -> Finset.affineCombination_of_eq_one_of_eq_zero is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zeroₓ'. -/
 /-- An `affine_combination` equals a point if that point is in the set
 and has weight 1 and the other points in the set have weight 0. -/
 @[simp]
@@ -668,9 +509,6 @@ theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i
   · simp [hw0 i2 hi2 h]
 #align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zero
 
-/- warning: finset.affine_combination_indicator_subset -> Finset.affineCombination_indicator_subset is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subsetₓ'. -/
 /-- An affine combination is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
 theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ : Finset ι}
@@ -680,9 +518,6 @@ theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s
     weighted_vsub_of_point_indicator_subset _ _ _ h]
 #align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subset
 
-/- warning: finset.affine_combination_map -> Finset.affineCombination_map is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_map Finset.affineCombination_mapₓ'. -/
 /-- An affine combination, over the image of an embedding, equals an
 affine combination with the same points and weights over the original
 `finset`. -/
@@ -691,9 +526,6 @@ theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
   simp_rw [affine_combination_apply, weighted_vsub_of_point_map]
 #align finset.affine_combination_map Finset.affineCombination_map
 
-/- warning: finset.sum_smul_vsub_eq_affine_combination_vsub -> Finset.sum_smul_vsub_eq_affineCombination_vsub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
 theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι → P) :
@@ -703,9 +535,6 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
   exact s.sum_smul_vsub_eq_weighted_vsub_of_point_sub _ _ _ _
 #align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsub
 
-/- warning: finset.sum_smul_vsub_const_eq_affine_combination_vsub -> Finset.sum_smul_vsub_const_eq_affineCombination_vsub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι → P) (p₂ : P)
@@ -713,9 +542,6 @@ theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι
   by rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsub
 
-/- warning: finset.sum_smul_const_vsub_eq_vsub_affine_combination -> Finset.sum_smul_const_vsub_eq_vsub_affineCombination is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombinationₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι → P) (p₁ : P)
@@ -723,9 +549,6 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
   by rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombination
 
-/- warning: finset.affine_combination_sdiff_sub -> Finset.affineCombination_sdiff_sub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) :
@@ -735,9 +558,6 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
   exact s.weighted_vsub_sdiff_sub h _ _
 #align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_sub
 
-/- warning: finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one -> Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
 theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k} {p : ι → P}
@@ -753,9 +573,6 @@ theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k
     · simp
 #align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one
 
-/- warning: finset.affine_combination_subtype_eq_filter -> Finset.affineCombination_subtype_eq_filter is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filterₓ'. -/
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
     [DecidablePred pred] :
@@ -765,9 +582,6 @@ theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred
   rw [affine_combination_apply, affine_combination_apply, weighted_vsub_of_point_subtype_eq_filter]
 #align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filter
 
-/- warning: finset.affine_combination_filter_of_ne -> Finset.affineCombination_filter_of_ne is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_filter_of_ne Finset.affineCombination_filter_of_neₓ'. -/
 /-- An affine combination over `s.filter pred` equals one over `s` if all the weights at indices
 in `s` not satisfying `pred` are zero. -/
 theorem affineCombination_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → Prop}
@@ -779,9 +593,6 @@ theorem affineCombination_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι
 
 variable {V}
 
-/- warning: finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype -> Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
 `weighted_vsub_of_point` using a `finset` lying within that subset and
@@ -810,9 +621,6 @@ theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V}
 
 variable (k)
 
-/- warning: finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype -> Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
 a `finset` lying within that subset and with sum of weights 0 if and
@@ -829,9 +637,6 @@ theorem eq_weightedVSub_subset_iff_eq_weightedVSub_subtype {v : V} {s : Set ι}
 
 variable (V)
 
-/- warning: finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype -> Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtype is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A point can be expressed as an
 `affine_combination` using a `finset` lying within that subset and
@@ -852,9 +657,6 @@ theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s
 
 variable {k V}
 
-/- warning: finset.map_affine_combination -> Finset.map_affineCombination is a dubious translation:
-<too large>
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 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
     (p : ι → P) (w : ι → k) (hw : s.Sum w = 1) (f : P →ᵃ[k] P₂) :
@@ -880,34 +682,16 @@ def affineCombinationSingleWeights [DecidableEq ι] (i : ι) : ι → k :=
 #align finset.affine_combination_single_weights Finset.affineCombinationSingleWeights
 -/
 
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 @[simp]
 theorem affineCombinationSingleWeights_apply_self [DecidableEq ι] (i : ι) :
     affineCombinationSingleWeights k i i = 1 := by simp [affine_combination_single_weights]
 #align finset.affine_combination_single_weights_apply_self Finset.affineCombinationSingleWeights_apply_self
 
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 @[simp]
 theorem affineCombinationSingleWeights_apply_of_ne [DecidableEq ι] {i j : ι} (h : j ≠ i) :
     affineCombinationSingleWeights k i j = 0 := by simp [affine_combination_single_weights, h]
 #align finset.affine_combination_single_weights_apply_of_ne Finset.affineCombinationSingleWeights_apply_of_ne
 
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 @[simp]
 theorem sum_affineCombinationSingleWeights [DecidableEq ι] {i : ι} (h : i ∈ s) :
     (∑ j in s, affineCombinationSingleWeights k i j) = 1 :=
@@ -923,56 +707,26 @@ def weightedVSubVSubWeights [DecidableEq ι] (i j : ι) : ι → k :=
 #align finset.weighted_vsub_vsub_weights Finset.weightedVSubVSubWeights
 -/
 
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 @[simp]
 theorem weightedVSubVSubWeights_self [DecidableEq ι] (i : ι) : weightedVSubVSubWeights k i i = 0 :=
   by simp [weighted_vsub_vsub_weights]
 #align finset.weighted_vsub_vsub_weights_self Finset.weightedVSubVSubWeights_self
 
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 @[simp]
 theorem weightedVSubVSubWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) :
     weightedVSubVSubWeights k i j i = 1 := by simp [weighted_vsub_vsub_weights, h]
 #align finset.weighted_vsub_vsub_weights_apply_left Finset.weightedVSubVSubWeights_apply_left
 
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 @[simp]
 theorem weightedVSubVSubWeights_apply_right [DecidableEq ι] {i j : ι} (h : i ≠ j) :
     weightedVSubVSubWeights k i j j = -1 := by simp [weighted_vsub_vsub_weights, h.symm]
 #align finset.weighted_vsub_vsub_weights_apply_right Finset.weightedVSubVSubWeights_apply_right
 
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 @[simp]
 theorem weightedVSubVSubWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi : t ≠ i) (hj : t ≠ j) :
     weightedVSubVSubWeights k i j t = 0 := by simp [weighted_vsub_vsub_weights, hi, hj]
 #align finset.weighted_vsub_vsub_weights_apply_of_ne Finset.weightedVSubVSubWeights_apply_of_ne
 
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 @[simp]
 theorem sum_weightedVSubVSubWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s) :
     (∑ t in s, weightedVSubVSubWeights k i j t) = 0 :=
@@ -998,12 +752,6 @@ theorem affineCombinationLineMapWeights_self [DecidableEq ι] (i : ι) (c : k) :
 #align finset.affine_combination_line_map_weights_self Finset.affineCombinationLineMapWeights_self
 -/
 
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 @[simp]
 theorem affineCombinationLineMapWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) (c : k) :
     affineCombinationLineMapWeights i j c i = 1 - c := by
@@ -1018,24 +766,12 @@ theorem affineCombinationLineMapWeights_apply_right [DecidableEq ι] {i j : ι}
 #align finset.affine_combination_line_map_weights_apply_right Finset.affineCombinationLineMapWeights_apply_right
 -/
 
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 @[simp]
 theorem affineCombinationLineMapWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi : t ≠ i)
     (hj : t ≠ j) (c : k) : affineCombinationLineMapWeights i j c t = 0 := by
   simp [affine_combination_line_map_weights, hi, hj]
 #align finset.affine_combination_line_map_weights_apply_of_ne Finset.affineCombinationLineMapWeights_apply_of_ne
 
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 @[simp]
 theorem sum_affineCombinationLineMapWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s)
     (c : k) : (∑ t in s, affineCombinationLineMapWeights i j c t) = 1 :=
@@ -1048,9 +784,6 @@ include S
 
 variable (k)
 
-/- warning: finset.affine_combination_affine_combination_single_weights -> Finset.affineCombination_affineCombinationSingleWeights is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeightsₓ'. -/
 /-- An affine combination with `affine_combination_single_weights` gives the specified point. -/
 @[simp]
 theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : ι → P) {i : ι}
@@ -1061,9 +794,6 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
   simp [hj]
 #align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeights
 
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-<too large>
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 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
 @[simp]
@@ -1076,9 +806,6 @@ theorem weightedVSub_weightedVSubVSubWeights [DecidableEq ι] (p : ι → P) {i
 
 variable {k}
 
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 /-- An affine combination with `affine_combination_line_map_weights` gives the result of
 `line_map`. -/
 @[simp]
@@ -1107,24 +834,12 @@ def centroidWeights : ι → k :=
 #align finset.centroid_weights Finset.centroidWeights
 -/
 
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 /-- `centroid_weights` at any point. -/
 @[simp]
 theorem centroidWeights_apply (i : ι) : s.centroidWeights k i = (card s : k)⁻¹ :=
   rfl
 #align finset.centroid_weights_apply Finset.centroidWeights_apply
 
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 /-- `centroid_weights` equals a constant function. -/
 theorem centroidWeights_eq_const : s.centroidWeights k = Function.const ι (card s : k)⁻¹ :=
   rfl
@@ -1132,12 +847,6 @@ theorem centroidWeights_eq_const : s.centroidWeights k = Function.const ι (card
 
 variable {k}
 
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 /-- The weights in the centroid sum to 1, if the number of points,
 converted to `k`, is not zero. -/
 theorem sum_centroidWeights_eq_one_of_cast_card_ne_zero (h : (card s : k) ≠ 0) :
@@ -1146,24 +855,12 @@ theorem sum_centroidWeights_eq_one_of_cast_card_ne_zero (h : (card s : k) ≠ 0)
 
 variable (k)
 
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 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is not zero. -/
 theorem sum_centroidWeights_eq_one_of_card_ne_zero [CharZero k] (h : card s ≠ 0) :
     (∑ i in s, s.centroidWeights k i) = 1 := by simp [h]
 #align finset.sum_centroid_weights_eq_one_of_card_ne_zero Finset.sum_centroidWeights_eq_one_of_card_ne_zero
 
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 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the set is nonempty. -/
 theorem sum_centroidWeights_eq_one_of_nonempty [CharZero k] (h : s.Nonempty) :
@@ -1171,12 +868,6 @@ theorem sum_centroidWeights_eq_one_of_nonempty [CharZero k] (h : s.Nonempty) :
   s.sum_centroidWeights_eq_one_of_card_ne_zero k (ne_of_gt (card_pos.2 h))
 #align finset.sum_centroid_weights_eq_one_of_nonempty Finset.sum_centroidWeights_eq_one_of_nonempty
 
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 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeights_eq_one_of_card_eq_add_one [CharZero k] {n : ℕ} (h : card s = n + 1) :
@@ -1195,42 +886,21 @@ def centroid (p : ι → P) : P :=
 #align finset.centroid Finset.centroid
 -/
 
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 /-- The definition of the centroid. -/
 theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (s.centroidWeights k) :=
   rfl
 #align finset.centroid_def Finset.centroid_def
 
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 theorem centroid_univ (s : Finset P) : univ.centroid k (coe : s → P) = s.centroid k id := by
   rw [centroid, centroid, ← s.attach_affine_combination_coe]; congr ; ext; simp
 #align finset.centroid_univ Finset.centroid_univ
 
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 /-- The centroid of a single point. -/
 @[simp]
 theorem centroid_singleton (p : ι → P) (i : ι) : ({i} : Finset ι).centroid k p = p i := by
   simp [centroid_def, affine_combination_apply]
 #align finset.centroid_singleton Finset.centroid_singleton
 
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 /-- The centroid of two points, expressed directly as adding a vector
 to a point. -/
 theorem centroid_pair [DecidableEq ι] [Invertible (2 : k)] (p : ι → P) (i₁ i₂ : ι) :
@@ -1249,12 +919,6 @@ theorem centroid_pair [DecidableEq ι] [Invertible (2 : k)] (p : ι → P) (i₁
     simp [h]
 #align finset.centroid_pair Finset.centroid_pair
 
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 /-- The centroid of two points indexed by `fin 2`, expressed directly
 as adding a vector to the first point. -/
 theorem centroid_pair_fin [Invertible (2 : k)] (p : Fin 2 → P) :
@@ -1264,12 +928,6 @@ theorem centroid_pair_fin [Invertible (2 : k)] (p : Fin 2 → P) :
   convert centroid_pair k p 0 1
 #align finset.centroid_pair_fin Finset.centroid_pair_fin
 
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 /-- A centroid, over the image of an embedding, equals a centroid with
 the same points and weights over the original `finset`. -/
 theorem centroid_map (e : ι₂ ↪ ι) (p : ι → P) : (s₂.map e).centroid k p = s₂.centroid k (p ∘ e) :=
@@ -1290,12 +948,6 @@ def centroidWeightsIndicator : ι → k :=
 #align finset.centroid_weights_indicator Finset.centroidWeightsIndicator
 -/
 
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 /-- The definition of `centroid_weights_indicator`. -/
 theorem centroidWeightsIndicator_def :
     s.centroidWeightsIndicator k = Set.indicator (↑s) (s.centroidWeights k) :=
@@ -1310,12 +962,6 @@ theorem sum_centroidWeightsIndicator [Fintype ι] :
 #align finset.sum_centroid_weights_indicator Finset.sum_centroidWeightsIndicator
 -/
 
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 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is not
 zero. -/
@@ -1326,12 +972,6 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_ne_zero [CharZero k] [Fintyp
   exact s.sum_centroid_weights_eq_one_of_card_ne_zero k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_card_ne_zero Finset.sum_centroidWeightsIndicator_eq_one_of_card_ne_zero
 
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 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the set is nonempty. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι] (h : s.Nonempty) :
@@ -1341,12 +981,6 @@ theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι
   exact s.sum_centroid_weights_eq_one_of_nonempty k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_nonempty Finset.sum_centroidWeightsIndicator_eq_one_of_nonempty
 
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 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fintype ι] {n : ℕ}
@@ -1358,21 +992,12 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fin
 
 include V
 
-/- warning: finset.centroid_eq_affine_combination_fintype -> Finset.centroid_eq_affineCombination_fintype is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintypeₓ'. -/
 /-- The centroid as an affine combination over a `fintype`. -/
 theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
     s.centroid k p = univ.affineCombination k p (s.centroidWeightsIndicator k) :=
   affineCombination_indicator_subset _ _ (subset_univ _)
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
 
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 /- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 /-- An indexed family of points that is injective on the given
 `finset` has the same centroid as the image of that `finset`.  This is
@@ -1408,12 +1033,6 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
   rw [(hf' x).2]
 #align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_on
 
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-Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_of_inj_on_of_image_eq Finset.centroid_eq_of_inj_on_of_image_eqₓ'. -/
 /- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 /- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
 /-- Two indexed families of points that are injective on the given
@@ -1438,9 +1057,6 @@ variable {ι : Type _}
 
 include V
 
-/- warning: weighted_vsub_mem_vector_span -> weightedVSub_mem_vectorSpan is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
 theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i in s, w i) = 0)
@@ -1462,9 +1078,6 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
       · exact fun _ => zero_smul k _
 #align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpan
 
-/- warning: affine_combination_mem_affine_span -> affineCombination_mem_affineSpan is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align affine_combination_mem_affine_span affineCombination_mem_affineSpanₓ'. -/
 /-- An `affine_combination` with sum of weights 1 is in the
 `affine_span` of an indexed family, if the underlying ring is
 nontrivial. -/
@@ -1492,9 +1105,6 @@ theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι
 
 variable (k) {V}
 
-/- warning: mem_vector_span_iff_eq_weighted_vsub -> mem_vectorSpan_iff_eq_weightedVSub is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
 theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
@@ -1540,9 +1150,6 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
 
 variable {k}
 
-/- warning: eq_affine_combination_of_mem_affine_span -> eq_affineCombination_of_mem_affineSpan is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpanₓ'. -/
 /-- A point in the `affine_span` of an indexed family is an
 `affine_combination` with sum of weights 1. See also
 `eq_affine_combination_of_mem_affine_span_of_fintype`. -/
@@ -1578,9 +1185,6 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
 #align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpan
 
-/- warning: eq_affine_combination_of_mem_affine_span_of_fintype -> eq_affineCombination_of_mem_affineSpan_of_fintype is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintypeₓ'. -/
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
     ∃ (w : ι → k)(hw : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination k p w := by
@@ -1594,9 +1198,6 @@ theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P}
 
 variable (k V)
 
-/- warning: mem_affine_span_iff_eq_affine_combination -> mem_affineSpan_iff_eq_affineCombination is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombinationₓ'. -/
 /-- A point is in the `affine_span` of an indexed family if and only
 if it is an `affine_combination` with sum of weights 1, provided the
 underlying ring is nontrivial. -/
@@ -1610,9 +1211,6 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
     exact affineCombination_mem_affineSpan hw p
 #align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombination
 
-/- warning: mem_affine_span_iff_eq_weighted_vsub_of_point_vadd -> mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vaddₓ'. -/
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with
 weights that are not required to sum to 1. -/
@@ -1640,9 +1238,6 @@ theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι 
 
 variable {k V}
 
-/- warning: affine_span_eq_affine_span_line_map_units -> affineSpan_eq_affineSpan_lineMap_units is a dubious translation:
-<too large>
-Case conversion may be inaccurate. Consider using '#align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_unitsₓ'. -/
 /-- Given a set of points, together with a chosen base point in this set, if we affinely transport
 all other members of the set along the line joining them to this base point, the affine span is
 unchanged. -/
@@ -1672,12 +1267,6 @@ include V
 
 open Set Finset
 
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-Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_cast_card_ne_zero centroid_mem_affineSpan_of_cast_card_ne_zeroₓ'. -/
 /-- The centroid lies in the affine span if the number of points,
 converted to `k`, is not zero. -/
 theorem centroid_mem_affineSpan_of_cast_card_ne_zero {s : Finset ι} (p : ι → P)
@@ -1687,12 +1276,6 @@ theorem centroid_mem_affineSpan_of_cast_card_ne_zero {s : Finset ι} (p : ι →
 
 variable (k)
 
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-Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_card_ne_zero centroid_mem_affineSpan_of_card_ne_zeroₓ'. -/
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the number of points is not zero. -/
 theorem centroid_mem_affineSpan_of_card_ne_zero [CharZero k] {s : Finset ι} (p : ι → P)
@@ -1700,12 +1283,6 @@ theorem centroid_mem_affineSpan_of_card_ne_zero [CharZero k] {s : Finset ι} (p
   affineCombination_mem_affineSpan (s.sum_centroidWeights_eq_one_of_card_ne_zero k h) p
 #align centroid_mem_affine_span_of_card_ne_zero centroid_mem_affineSpan_of_card_ne_zero
 
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-Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_nonempty centroid_mem_affineSpan_of_nonemptyₓ'. -/
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the set is nonempty. -/
 theorem centroid_mem_affineSpan_of_nonempty [CharZero k] {s : Finset ι} (p : ι → P)
@@ -1713,12 +1290,6 @@ theorem centroid_mem_affineSpan_of_nonempty [CharZero k] {s : Finset ι} (p : ι
   affineCombination_mem_affineSpan (s.sum_centroidWeights_eq_one_of_nonempty k h) p
 #align centroid_mem_affine_span_of_nonempty centroid_mem_affineSpan_of_nonempty
 
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-Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_card_eq_add_one centroid_mem_affineSpan_of_card_eq_add_oneₓ'. -/
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the number of points is `n + 1`. -/
 theorem centroid_mem_affineSpan_of_card_eq_add_one [CharZero k] {s : Finset ι} (p : ι → P) {n : ℕ}
@@ -1736,12 +1307,6 @@ variable [affine_space V P] {ι : Type _} (s : Finset ι)
 
 include V
 
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-Case conversion may be inaccurate. Consider using '#align affine_map.weighted_vsub_of_point AffineMap.weightedVSubOfPointₓ'. -/
 -- TODO: define `affine_map.proj`, `affine_map.fst`, `affine_map.snd`
 /-- A weighted sum, as an affine map on the points involved. -/
 def weightedVSubOfPoint (w : ι → k) : (ι → P) × P →ᵃ[k] V

mathlib commit https://github.com/leanprover-community/mathlib/commit/917c3c072e487b3cccdbfeff17e75b40e45f66cb

@@ -62,10 +62,7 @@ lean 3 declaration is
 but is expected to have type
   Eq.{1} (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (Finset.univ.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Fin.fintype (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (Insert.insert.{0, 0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (Finset.instInsertFinset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (fun (a : Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (b : Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) => instDecidableEqFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) a b)) (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 0 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 0 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1))))) (Singleton.singleton.{0, 0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (Finset.instSingletonFinset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 1 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 1 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))))))
 Case conversion may be inaccurate. Consider using '#align finset.univ_fin2 Finset.univ_fin2ₓ'. -/
-theorem univ_fin2 : (univ : Finset (Fin 2)) = {0, 1} :=
-  by
-  ext x
-  fin_cases x <;> simp
+theorem univ_fin2 : (univ : Finset (Fin 2)) = {0, 1} := by ext x; fin_cases x <;> simp
 #align finset.univ_fin2 Finset.univ_fin2
 
 variable {k : Type _} {V : Type _} {P : Type _} [Ring k] [AddCommGroup V] [Module k V]
@@ -608,9 +605,7 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
   let g₁ : s → V := fun i => w (f i) • (f i -ᵥ Classical.choice S.nonempty)
   let g₂ : P → V := fun i => w i • (i -ᵥ Classical.choice S.nonempty)
   change univ.sum g₁ = (image f univ).Sum g₂
-  have hgf : g₁ = g₂ ∘ f := by
-    ext
-    simp
+  have hgf : g₁ = g₂ ∘ f := by ext; simp
   rw [hgf, sum_image]
   exact fun _ _ _ _ hxy => hf hxy
 #align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injective
@@ -1214,12 +1209,8 @@ lean 3 declaration is
 but is expected to have type
   forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] (s : Finset.{u3} P), Eq.{succ u3} P (Finset.centroid.{u2, u1, u3, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (Finset.univ.{u3} (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (Finset.Subtype.fintype.{u3} P s)) (Subtype.val.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s))) (Finset.centroid.{u2, u1, u3, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 P s (id.{succ u3} P))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_univ Finset.centroid_univₓ'. -/
-theorem centroid_univ (s : Finset P) : univ.centroid k (coe : s → P) = s.centroid k id :=
-  by
-  rw [centroid, centroid, ← s.attach_affine_combination_coe]
-  congr
-  ext
-  simp
+theorem centroid_univ (s : Finset P) : univ.centroid k (coe : s → P) = s.centroid k id := by
+  rw [centroid, centroid, ← s.attach_affine_combination_coe]; congr ; ext; simp
 #align finset.centroid_univ Finset.centroid_univ
 
 /- warning: finset.centroid_singleton -> Finset.centroid_singleton is a dubious translation:
@@ -1456,8 +1447,7 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
     (p : ι → P) : s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by
   classical
     rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
-    · skip
-      simp [Finset.eq_empty_of_isEmpty s]
+    · skip; simp [Finset.eq_empty_of_isEmpty s]
     · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
         Finsupp.mem_span_image_iff_total,
         Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero s w p h (p i0),
@@ -1513,8 +1503,7 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
   by
   classical
     constructor
-    · rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
-      swap
+    · rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩); swap
       · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
           Finsupp.mem_span_image_iff_total]
         rintro ⟨l, hl, hv⟩
@@ -1642,9 +1631,7 @@ theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι 
         by_cases hj : j ∈ s
         · simp [Finset.sum_update_of_mem hj, Finset.insert_eq_of_mem hj]
         · simp [w', Finset.sum_insert hj, Finset.sum_update_of_not_mem hj, hj]
-      have hww : ∀ i, i ≠ j → w i = w' i := by
-        intro i hij
-        simp [w', hij]
+      have hww : ∀ i, i ≠ j → w i = w' i := by intro i hij; simp [w', hij]
       rw [s.weighted_vsub_of_point_eq_of_weights_eq p j w w' hww, ←
         s.weighted_vsub_of_point_insert w' p j, ←
         (insert j s).affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]

mathlib commit https://github.com/leanprover-community/mathlib/commit/917c3c072e487b3cccdbfeff17e75b40e45f66cb

@@ -91,10 +91,7 @@ def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
 -/
 
 /- warning: finset.weighted_vsub_of_point_apply -> Finset.weightedVSubOfPoint_apply is a dubious translation:
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+<too large>
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_applyₓ'. -/
 @[simp]
 theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
@@ -103,10 +100,7 @@ theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
 #align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_apply
 
 /- warning: finset.weighted_vsub_of_point_apply_const -> Finset.weightedVSubOfPoint_apply_const is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_constₓ'. -/
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
@@ -116,10 +110,7 @@ theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
 #align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_const
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congrₓ'. -/
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -133,10 +124,7 @@ theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁
 #align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congr
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eqₓ'. -/
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
@@ -153,10 +141,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
 #align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eq
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zeroₓ'. -/
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
@@ -174,10 +159,7 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
 #align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zero
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_oneₓ'. -/
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
@@ -198,10 +180,7 @@ theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
 #align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_one
 
 /- warning: finset.weighted_vsub_of_point_erase -> Finset.weightedVSubOfPoint_erase is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_eraseₓ'. -/
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
@@ -215,10 +194,7 @@ theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P)
 #align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_erase
 
 /- warning: finset.weighted_vsub_of_point_insert -> Finset.weightedVSubOfPoint_insert is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insertₓ'. -/
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
@@ -232,10 +208,7 @@ theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P
 #align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insert
 
 /- warning: finset.weighted_vsub_of_point_indicator_subset -> Finset.weightedVSubOfPoint_indicator_subset is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -249,10 +222,7 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
 #align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subset
 
 /- warning: finset.weighted_vsub_of_point_map -> Finset.weightedVSubOfPoint_map is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_mapₓ'. -/
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
@@ -265,10 +235,7 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
 #align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_map
 
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 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
@@ -280,10 +247,7 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
 #align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_sub
 
 /- warning: finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub -> Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub is a dubious translation:
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+<too large>
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -293,10 +257,7 @@ theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι
 #align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub
 
 /- warning: finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point -> Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPointₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -306,10 +267,7 @@ theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι
 #align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint
 
 /- warning: finset.weighted_vsub_of_point_sdiff -> Finset.weightedVSubOfPoint_sdiff is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -320,10 +278,7 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
 #align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiff
 
 /- warning: finset.weighted_vsub_of_point_sdiff_sub -> Finset.weightedVSubOfPoint_sdiff_sub is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -334,10 +289,7 @@ theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 #align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_sub
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
@@ -348,10 +300,7 @@ theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b :
 #align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filter
 
 /- warning: finset.weighted_vsub_of_point_filter_of_ne -> Finset.weightedVSubOfPoint_filter_of_ne is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -367,10 +316,7 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
 #align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_ne
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
@@ -407,10 +353,7 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 #align finset.weighted_vsub_apply Finset.weightedVSub_apply
 
 /- warning: finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero -> Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
@@ -420,10 +363,7 @@ theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : 
 #align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
@@ -446,10 +386,7 @@ theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).wei
 #align finset.weighted_vsub_empty Finset.weightedVSub_empty
 
 /- warning: finset.weighted_vsub_congr -> Finset.weightedVSub_congr is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
@@ -459,10 +396,7 @@ theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w
 #align finset.weighted_vsub_congr Finset.weightedVSub_congr
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -472,10 +406,7 @@ theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ :
 #align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subset
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
@@ -486,10 +417,7 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 #align finset.weighted_vsub_map Finset.weightedVSub_map
 
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 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
@@ -499,10 +427,7 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
 #align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_sub
 
 /- warning: finset.sum_smul_vsub_const_eq_weighted_vsub -> Finset.sum_smul_vsub_const_eq_weightedVSub is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
@@ -512,10 +437,7 @@ theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p
 #align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSub
 
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 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
@@ -525,10 +447,7 @@ theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P)
 #align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSub
 
 /- warning: finset.weighted_vsub_sdiff -> Finset.weightedVSub_sdiff is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
@@ -537,10 +456,7 @@ theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s)
 #align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiff
 
 /- warning: finset.weighted_vsub_sdiff_sub -> Finset.weightedVSub_sdiff_sub is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -549,10 +465,7 @@ theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆
 #align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_sub
 
 /- warning: finset.weighted_vsub_subtype_eq_filter -> Finset.weightedVSub_subtype_eq_filter is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -563,10 +476,7 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
 #align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filter
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -576,10 +486,7 @@ theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → P
 #align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_ne
 
 /- warning: finset.weighted_vsub_const_smul -> Finset.weightedVSub_const_smul is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
@@ -625,10 +532,7 @@ theorem affineCombination_linear (p : ι → P) :
 variable {k}
 
 /- warning: finset.affine_combination_apply -> Finset.affineCombination_apply is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
@@ -644,10 +548,7 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
 #align finset.affine_combination_apply Finset.affineCombination_apply
 
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply_const Finset.affineCombination_apply_constₓ'. -/
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
@@ -657,10 +558,7 @@ theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w
 #align finset.affine_combination_apply_const Finset.affineCombination_apply_const
 
 /- warning: finset.affine_combination_congr -> Finset.affineCombination_congr is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_congr Finset.affineCombination_congrₓ'. -/
 /-- `affine_combination` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -670,10 +568,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 #align finset.affine_combination_congr Finset.affineCombination_congr
 
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
@@ -684,10 +579,7 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
 #align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
@@ -696,10 +588,7 @@ theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P
 #align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombination
 
 /- warning: finset.affine_combination_vsub -> Finset.affineCombination_vsub is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
@@ -708,10 +597,7 @@ theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
 #align finset.affine_combination_vsub Finset.affineCombination_vsub
 
 /- warning: finset.attach_affine_combination_of_injective -> Finset.attach_affineCombination_of_injective is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injectiveₓ'. -/
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
@@ -730,10 +616,7 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
 #align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injective
 
 /- warning: finset.attach_affine_combination_coe -> Finset.attach_affineCombination_coe is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_coe Finset.attach_affineCombination_coeₓ'. -/
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
@@ -758,10 +641,7 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
 #align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combination
 
 /- warning: finset.affine_combination_eq_linear_combination -> Finset.affineCombination_eq_linear_combination is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, affine combinations are just linear
 combinations. -/
@@ -774,10 +654,7 @@ theorem affineCombination_eq_linear_combination (s : Finset ι) (p : ι → V) (
 include S
 
 /- warning: finset.affine_combination_of_eq_one_of_eq_zero -> Finset.affineCombination_of_eq_one_of_eq_zero is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zeroₓ'. -/
 /-- An `affine_combination` equals a point if that point is in the set
 and has weight 1 and the other points in the set have weight 0. -/
@@ -797,10 +674,7 @@ theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i
 #align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zero
 
 /- warning: finset.affine_combination_indicator_subset -> Finset.affineCombination_indicator_subset is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subsetₓ'. -/
 /-- An affine combination is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -812,10 +686,7 @@ theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s
 #align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subset
 
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_map Finset.affineCombination_mapₓ'. -/
 /-- An affine combination, over the image of an embedding, equals an
 affine combination with the same points and weights over the original
@@ -826,10 +697,7 @@ theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 #align finset.affine_combination_map Finset.affineCombination_map
 
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 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
@@ -841,10 +709,7 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
 #align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsub
 
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 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
@@ -854,10 +719,7 @@ theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι
 #align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsub
 
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 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombinationₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
@@ -867,10 +729,7 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
 #align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombination
 
 /- warning: finset.affine_combination_sdiff_sub -> Finset.affineCombination_sdiff_sub is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -882,10 +741,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 #align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_sub
 
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
@@ -903,10 +759,7 @@ theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k
 #align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one
 
 /- warning: finset.affine_combination_subtype_eq_filter -> Finset.affineCombination_subtype_eq_filter is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filterₓ'. -/
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -918,10 +771,7 @@ theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred
 #align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filter
 
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_filter_of_ne Finset.affineCombination_filter_of_neₓ'. -/
 /-- An affine combination over `s.filter pred` equals one over `s` if all the weights at indices
 in `s` not satisfying `pred` are zero. -/
@@ -935,10 +785,7 @@ theorem affineCombination_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι
 variable {V}
 
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 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
@@ -969,10 +816,7 @@ theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V}
 variable (k)
 
 /- warning: finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype -> Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype is a dubious translation:
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+<too large>
 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
@@ -991,10 +835,7 @@ theorem eq_weightedVSub_subset_iff_eq_weightedVSub_subtype {v : V} {s : Set ι}
 variable (V)
 
 /- warning: finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype -> Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtype is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A point can be expressed as an
@@ -1017,10 +858,7 @@ theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s
 variable {k V}
 
 /- warning: finset.map_affine_combination -> Finset.map_affineCombination is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.map_affine_combination Finset.map_affineCombinationₓ'. -/
 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
@@ -1216,10 +1054,7 @@ include S
 variable (k)
 
 /- warning: finset.affine_combination_affine_combination_single_weights -> Finset.affineCombination_affineCombinationSingleWeights is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeightsₓ'. -/
 /-- An affine combination with `affine_combination_single_weights` gives the specified point. -/
 @[simp]
@@ -1232,10 +1067,7 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
 #align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeights
 
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeightsₓ'. -/
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
@@ -1250,10 +1082,7 @@ theorem weightedVSub_weightedVSubVSubWeights [DecidableEq ι] (p : ι → P) {i
 variable {k}
 
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_line_map_weights Finset.affineCombination_affineCombinationLineMapWeightsₓ'. -/
 /-- An affine combination with `affine_combination_line_map_weights` gives the result of
 `line_map`. -/
@@ -1372,10 +1201,7 @@ def centroid (p : ι → P) : P :=
 -/
 
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 Case conversion may be inaccurate. Consider using '#align finset.centroid_def Finset.centroid_defₓ'. -/
 /-- The definition of the centroid. -/
 theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (s.centroidWeights k) :=
@@ -1542,10 +1368,7 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fin
 include V
 
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 Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintypeₓ'. -/
 /-- The centroid as an affine combination over a `fintype`. -/
 theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
@@ -1625,10 +1448,7 @@ variable {ι : Type _}
 include V
 
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 Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
@@ -1653,10 +1473,7 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
 #align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpan
 
 /- warning: affine_combination_mem_affine_span -> affineCombination_mem_affineSpan is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align affine_combination_mem_affine_span affineCombination_mem_affineSpanₓ'. -/
 /-- An `affine_combination` with sum of weights 1 is in the
 `affine_span` of an indexed family, if the underlying ring is
@@ -1686,10 +1503,7 @@ theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι
 variable (k) {V}
 
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 Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
@@ -1738,10 +1552,7 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
 variable {k}
 
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 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpanₓ'. -/
 /-- A point in the `affine_span` of an indexed family is an
 `affine_combination` with sum of weights 1. See also
@@ -1779,10 +1590,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 #align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpan
 
 /- warning: eq_affine_combination_of_mem_affine_span_of_fintype -> eq_affineCombination_of_mem_affineSpan_of_fintype is a dubious translation:
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 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintypeₓ'. -/
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
@@ -1798,10 +1606,7 @@ theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P}
 variable (k V)
 
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 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombinationₓ'. -/
 /-- A point is in the `affine_span` of an indexed family if and only
 if it is an `affine_combination` with sum of weights 1, provided the
@@ -1817,10 +1622,7 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
 #align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombination
 
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 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vaddₓ'. -/
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with
@@ -1852,10 +1654,7 @@ theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι 
 variable {k V}
 
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-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] [_inst_5 : Nontrivial.{u3} k] {s : Set.{u2} P} {p : P}, (Membership.mem.{u2, u2} P (Set.{u2} P) (Set.instMembershipSet.{u2} P) p s) -> (forall (w : (Set.Elem.{u2} P s) -> (Units.{u3} k (MonoidWithZero.toMonoid.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))), Eq.{succ u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u2} P (Set.Elem.{u2} P s) (fun (q : Set.Elem.{u2} P s) => FunLike.coe.{max (max (succ u3) (succ u1)) (succ u2), succ u3, succ u2} (AffineMap.{u3, u3, u3, u1, u2} k k k V P _inst_1 (Ring.toAddCommGroup.{u3} k _inst_1) (Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (addGroupIsAddTorsor.{u3} k (AddGroupWithOne.toAddGroup.{u3} k (Ring.toAddGroupWithOne.{u3} k _inst_1))) _inst_2 _inst_3 _inst_4) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : k) => P) _x) (AffineMap.funLike.{u3, u3, u3, u1, u2} k k k V P _inst_1 (Ring.toAddCommGroup.{u3} k _inst_1) (Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (addGroupIsAddTorsor.{u3} k (AddGroupWithOne.toAddGroup.{u3} k (Ring.toAddGroupWithOne.{u3} k _inst_1))) _inst_2 _inst_3 _inst_4) (AffineMap.lineMap.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 p (Subtype.val.{succ u2} P (fun (x : P) => Membership.mem.{u2, u2} P (Set.{u2} P) (Set.instMembershipSet.{u2} P) x s) q)) (Units.val.{u3} k (MonoidWithZero.toMonoid.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (w q))))) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 s))
+<too large>
 Case conversion may be inaccurate. Consider using '#align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_unitsₓ'. -/
 /-- Given a set of points, together with a chosen base point in this set, if we affinely transport
 all other members of the set along the line joining them to this base point, the affine span is

mathlib commit https://github.com/leanprover-community/mathlib/commit/8d33f09cd7089ecf074b4791907588245aec5d1b

@@ -94,7 +94,7 @@ def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_applyₓ'. -/
 @[simp]
 theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
@@ -106,7 +106,7 @@ theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p b))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_constₓ'. -/
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
@@ -119,7 +119,7 @@ theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k 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(NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congrₓ'. -/
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -136,7 +136,7 @@ theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁
 lean 3 declaration is
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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P) (j : ι) (w₁ : ι -> k) (w₂ : ι -> k), (forall (i : ι), (Ne.{succ u4} ι i j) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => 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(Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eqₓ'. -/
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
@@ -156,7 +156,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} 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(AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, 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(fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, 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(fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zeroₓ'. -/
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
@@ -177,7 +177,7 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
 lean 3 declaration is
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(AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x 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u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_oneₓ'. -/
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
@@ -201,7 +201,7 @@ theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
 lean 3 declaration is
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_inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} 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 but is expected to have type
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(Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_eraseₓ'. -/
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
@@ -218,7 +218,7 @@ theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.hasInsert.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), 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_inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), 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_inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insertₓ'. -/
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
@@ -235,7 +235,7 @@ theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -252,7 +252,7 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V 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(Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p b) w) (coeFn.{max (succ (max u5 u1)) (succ u2), max (succ (max u5 u1)) (succ u2)} (LinearMap.{u1, u1, max u5 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι₂ -> k) V (Pi.addCommMonoid.{u5, u1} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u5, u1, u1} ι₂ k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x 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(i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u5, u1, u1} ι₂ k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (coeFn.{max 1 (succ u5) (succ u4), max (succ u5) (succ u4)} (Function.Embedding.{succ u5, succ u4} ι₂ ι) (fun (_x : Function.Embedding.{succ u5, succ u4} ι₂ ι) => ι₂ -> ι) (Function.Embedding.hasCoeToFun.{succ u5, succ u4} ι₂ ι) e)) b) (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι k w (coeFn.{max 1 (succ u5) (succ u4), max (succ u5) (succ u4)} (Function.Embedding.{succ u5, succ u4} ι₂ ι) (fun (_x : Function.Embedding.{succ u5, succ u4} ι₂ ι) => ι₂ -> ι) (Function.Embedding.hasCoeToFun.{succ u5, succ u4} ι₂ ι) e)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p b) w) (FunLike.coe.{max (max (succ u3) (succ u5)) (succ u2), max (succ u5) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u5, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι₂ -> k) V (Pi.addCommMonoid.{u5, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)) b) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p b) w) (FunLike.coe.{max (max (succ u3) (succ u5)) (succ u2), max (succ u5) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u5, u3} k k (Ring.toSemiring.{u2} k _inst_1) 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)) b) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_mapₓ'. -/
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
@@ -268,7 +268,7 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
 lean 3 declaration is
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(AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k 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 but is expected to have type
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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
@@ -283,7 +283,7 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₂ b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -296,7 +296,7 @@ theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ b)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPointₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -309,7 +309,7 @@ theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -323,7 +323,7 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
 lean 3 declaration is
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 but is expected to have type
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k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -337,7 +337,7 @@ theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : (Subtype.{succ u4} ι pred) -> k) => V) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) ((Subtype.{succ u4} ι pred) -> k) V (Pi.addCommMonoid.{u4, u2} (Subtype.{succ u4} ι pred) (fun 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : (Subtype.{succ u4} ι pred) -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k ((Subtype.{succ u4} ι pred) -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} (Subtype.{succ u4} ι pred) (fun (ᾰ : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u4} ι pred) (Finset.subtype.{u4} ι pred (fun (a : ι) => _inst_4 a) s) (fun (i : Subtype.{succ u4} ι pred) => p (Subtype.val.{succ u4} ι pred i)) b) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
@@ -351,7 +351,7 @@ theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k 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(Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) 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u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k 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+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) 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u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -370,7 +370,7 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k 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_inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) 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_inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι 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 but is expected to have type
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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2310 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
@@ -393,7 +393,7 @@ def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply Finset.weightedVSub_applyₓ'. -/
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
@@ -410,7 +410,7 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
@@ -423,7 +423,7 @@ theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))))))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))))))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
@@ -437,7 +437,7 @@ theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) =
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u4} (Finset.{u4} ι) (Finset.hasEmptyc.{u4} ι)) p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_empty Finset.weightedVSub_emptyₓ'. -/
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
@@ -449,7 +449,7 @@ theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).wei
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k 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+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
@@ -462,7 +462,7 @@ theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w
 lean 3 declaration is
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(Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -475,7 +475,7 @@ theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) 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(Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
@@ -489,7 +489,7 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V 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(Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k 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+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) 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(Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
@@ -502,7 +502,7 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
@@ -515,7 +515,7 @@ theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} V (SubNegMonoid.toHasNeg.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
@@ -528,7 +528,7 @@ theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
@@ -540,7 +540,7 @@ theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s)
 lean 3 declaration is
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 but is expected to have type
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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -552,7 +552,7 @@ theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆
 lean 3 declaration is
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 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -566,7 +566,7 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) 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_inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k 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(Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -579,7 +579,7 @@ theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) 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(Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) 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 but is expected to have type
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+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3533 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun 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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3533 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
@@ -628,7 +628,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k 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(Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S))) w) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k 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(Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P P (instHVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P P (instHVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
@@ -673,7 +673,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (b : P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι 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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
@@ -687,7 +687,7 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u3} P (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) 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u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => 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_inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u4 u1, max u4 u1, max u4 u1} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u4 u1} (ι -> k) (Pi.instAdd.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toHasAdd.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) w₁ w₂))
 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
@@ -699,7 +699,7 @@ theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u4 u1, max u4 u1, max u4 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u4 u1} (ι -> k) (Pi.instSub.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => SubNegMonoid.toHasSub.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))) w₁ w₂))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u3} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u4} V (VSub.vsub.{u4, u3} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (AddTorsor.toVSub.{u4, u3} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (FunLike.coe.{max (max (succ (max u2 u1)) (succ u4)) (succ u3), succ (max u2 u1), succ u3} (AffineMap.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (FunLike.coe.{max (max (succ (max u2 u1)) (succ u4)) (succ u3), succ (max u2 u1), succ u3} (AffineMap.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k 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u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (FunLike.coe.{max (max (succ u4) (succ u1)) (succ u2), max (succ u1) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u1, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u1 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u2 u1, max u2 u1, max u2 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u2 u1} (ι -> k) (Pi.instSub.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Ring.toSub.{u2} k _inst_1))) w₁ w₂))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u3} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u4} V (VSub.vsub.{u4, u3} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (AddTorsor.toVSub.{u4, u3} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (FunLike.coe.{max (max (succ (max u2 u1)) (succ u4)) (succ u3), succ (max u2 u1), succ u3} (AffineMap.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (FunLike.coe.{max (max (succ (max u2 u1)) (succ u4)) (succ u3), succ (max u2 u1), succ u3} (AffineMap.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (FunLike.coe.{max (max (succ u4) (succ u1)) (succ u2), max (succ u1) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u1, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u1 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u2 u1, max u2 u1, max u2 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u2 u1} (ι -> k) (Pi.instSub.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Ring.toSub.{u2} k _inst_1))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
@@ -747,7 +747,7 @@ omit S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u3 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
@@ -870,7 +870,7 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) 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+  forall {k : Type.{u1}} {V : Type.{u3}} {P : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u1, u3} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u2} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u3} V (VSub.vsub.{u3, u2} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (AddTorsor.toVSub.{u3, u2} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (FunLike.coe.{max (max (succ (max u1 u4)) (succ u3)) (succ u2), succ (max u1 u4), succ u2} (AffineMap.{u1, max u1 u4, max u1 u4, u3, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun 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(NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u1, u1, max u4 u1, u3} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -885,7 +885,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i)], (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (Neg.neg.{u1} k (SubNegMonoid.toHasNeg.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 but is expected to have type
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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i)], (Membership.mem.{u3, u3} ι (Finset.{u3} ι) (Finset.instMembershipFinset.{u3} ι) i s) -> (Eq.{succ u2} k (w i) (Neg.neg.{u2} k (Ring.toNeg.{u2} k _inst_1) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => 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+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k 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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i)], (Membership.mem.{u3, u3} ι (Finset.{u3} ι) (Finset.instMembershipFinset.{u3} ι) i s) -> (Eq.{succ u2} k (w i) (Neg.neg.{u2} k (Ring.toNeg.{u2} k _inst_1) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
@@ -938,7 +938,7 @@ variable {V}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {x : k} {s : Set.{u4} ι} {p : ι -> P} {b : P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} 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 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
@@ -972,7 +972,7 @@ variable (k)
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
@@ -1235,7 +1235,7 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) j s) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (p j)))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeightsₓ'. -/
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
@@ -1628,7 +1628,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (p : ι -> P), Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
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+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
@@ -1689,7 +1689,7 @@ variable (k) {V}
 lean 3 declaration is
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 but is expected to have type
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+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [_inst_4 : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.mem.{u3, u3} V (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) (SetLike.instMembership.{u3, u3} (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) V (Submodule.setLike.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3)) v (vectorSpan.{u2, u3, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) (fun (h : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) => Eq.{succ u3} V v (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
@@ -1820,7 +1820,7 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u3} P q (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6193 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vaddₓ'. -/
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with
@@ -1870,7 +1870,7 @@ theorem affineSpan_eq_affineSpan_lineMap_units [Nontrivial k] {s : Set P} {p : P
             erw [mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd k V _ (⟨p, hp⟩ : s) q] at hq⊢ <;>
           obtain ⟨t, μ, rfl⟩ := hq <;>
         use t <;>
-      [use fun x => μ x * ↑(w x), use fun x => μ x * ↑(w x)⁻¹] <;>
+      [use fun x => μ x * ↑(w x);use fun x => μ x * ↑(w x)⁻¹] <;>
     simp [smul_smul]
 #align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_units
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/c89fe2d59ae06402c3f55f978016d1ada444f57e

@@ -94,7 +94,7 @@ def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_applyₓ'. -/
 @[simp]
 theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
@@ -106,7 +106,7 @@ theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p b))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_constₓ'. -/
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
@@ -119,7 +119,7 @@ theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k 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_inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congrₓ'. -/
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -136,7 +136,7 @@ theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁
 lean 3 declaration is
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(Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eqₓ'. -/
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
@@ -156,7 +156,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} 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-> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, 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(fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, 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(Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zeroₓ'. -/
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
@@ -177,7 +177,7 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
 lean 3 declaration is
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(AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x 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=> AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) b₁) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), 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_inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
 but is expected to have type
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u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} P (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) b₁) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_oneₓ'. -/
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
@@ -201,7 +201,7 @@ theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_eraseₓ'. -/
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
@@ -218,7 +218,7 @@ theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.hasInsert.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
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_inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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_inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insertₓ'. -/
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
@@ -235,7 +235,7 @@ theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) 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(Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -252,7 +252,7 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)) b) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_mapₓ'. -/
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
@@ -268,7 +268,7 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k 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(NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} 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(Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V 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(Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
@@ -283,7 +283,7 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₂ b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -296,7 +296,7 @@ theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ b)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPointₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -309,7 +309,7 @@ theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι
 lean 3 declaration is
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 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -323,7 +323,7 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -337,7 +337,7 @@ theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
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 but is expected to have type
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(fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => 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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : (Subtype.{succ u4} ι pred) -> k) => V) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) ((Subtype.{succ u4} ι pred) -> k) V (Pi.addCommMonoid.{u4, u2} (Subtype.{succ u4} ι pred) (fun 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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u4} ι pred) (Finset.subtype.{u4} ι pred (fun (a : ι) => _inst_4 a) s) (fun (i : Subtype.{succ u4} ι pred) => p (Subtype.val.{succ u4} ι pred i)) b) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
@@ -351,7 +351,7 @@ theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
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(Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) 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(LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -370,7 +370,7 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k 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 but is expected to have type
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+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2310 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2310 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
@@ -393,7 +393,7 @@ def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply Finset.weightedVSub_applyₓ'. -/
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
@@ -410,7 +410,7 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k 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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k 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+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k 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(Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
@@ -423,7 +423,7 @@ theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))))))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
@@ -437,7 +437,7 @@ theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) =
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u4} (Finset.{u4} ι) (Finset.hasEmptyc.{u4} ι)) p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_empty Finset.weightedVSub_emptyₓ'. -/
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
@@ -449,7 +449,7 @@ theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).wei
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
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k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k 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+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
@@ -462,7 +462,7 @@ theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w
 lean 3 declaration is
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(Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -475,7 +475,7 @@ theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) 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(Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
@@ -489,7 +489,7 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V 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(instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k 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(Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k 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+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) 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(Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
@@ -502,7 +502,7 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
@@ -515,7 +515,7 @@ theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} V (SubNegMonoid.toHasNeg.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
@@ -528,7 +528,7 @@ theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
@@ -540,7 +540,7 @@ theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s)
 lean 3 declaration is
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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -552,7 +552,7 @@ theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆
 lean 3 declaration is
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 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -566,7 +566,7 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) 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_inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -579,7 +579,7 @@ theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) 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(Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) 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 but is expected to have type
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+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3533 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun 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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3533 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
@@ -628,7 +628,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k 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(Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S))) w) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k 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(Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P P (instHVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
@@ -673,7 +673,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (b : P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι 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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
@@ -687,7 +687,7 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u3} P (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) 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(Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => 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_inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u4 u1, max u4 u1, max u4 u1} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u4 u1} (ι -> k) (Pi.instAdd.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toHasAdd.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) w₁ w₂))
 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
@@ -699,7 +699,7 @@ theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u4 u1, max u4 u1, max u4 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u4 u1} (ι -> k) (Pi.instSub.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => SubNegMonoid.toHasSub.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))) w₁ w₂))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u3} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u4} V (VSub.vsub.{u4, u3} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (AddTorsor.toVSub.{u4, u3} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (FunLike.coe.{max (max (succ (max u2 u1)) (succ u4)) (succ u3), succ (max u2 u1), succ u3} (AffineMap.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (FunLike.coe.{max (max (succ (max u2 u1)) (succ u4)) (succ u3), succ (max u2 u1), succ u3} (AffineMap.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k 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u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (FunLike.coe.{max (max (succ u4) (succ u1)) (succ u2), max (succ u1) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u1, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u1 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u2 u1, max u2 u1, max u2 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u2 u1} (ι -> k) (Pi.instSub.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Ring.toSub.{u2} k _inst_1))) w₁ w₂))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u3} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u4} V (VSub.vsub.{u4, u3} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (AddTorsor.toVSub.{u4, u3} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (FunLike.coe.{max (max (succ (max u2 u1)) (succ u4)) (succ u3), succ (max u2 u1), succ u3} (AffineMap.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (FunLike.coe.{max (max (succ (max u2 u1)) (succ u4)) (succ u3), succ (max u2 u1), succ u3} (AffineMap.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u1, max u2 u1, u4, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u1, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u1, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (FunLike.coe.{max (max (succ u4) (succ u1)) (succ u2), max (succ u1) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u1, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u1 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u2 u1, max u2 u1, max u2 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u2 u1} (ι -> k) (Pi.instSub.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Ring.toSub.{u2} k _inst_1))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
@@ -747,7 +747,7 @@ omit S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u3 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
@@ -870,7 +870,7 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) 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+  forall {k : Type.{u1}} {V : Type.{u3}} {P : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u1, u3} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u2} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u3} V (VSub.vsub.{u3, u2} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (AddTorsor.toVSub.{u3, u2} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (FunLike.coe.{max (max (succ (max u1 u4)) (succ u3)) (succ u2), succ (max u1 u4), succ u2} (AffineMap.{u1, max u1 u4, max u1 u4, u3, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun 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(NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -885,7 +885,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i)], (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (Neg.neg.{u1} k (SubNegMonoid.toHasNeg.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 but is expected to have type
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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i)], (Membership.mem.{u3, u3} ι (Finset.{u3} ι) (Finset.instMembershipFinset.{u3} ι) i s) -> (Eq.{succ u2} k (w i) (Neg.neg.{u2} k (Ring.toNeg.{u2} k _inst_1) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => 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+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k 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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i)], (Membership.mem.{u3, u3} ι (Finset.{u3} ι) (Finset.instMembershipFinset.{u3} ι) i s) -> (Eq.{succ u2} k (w i) (Neg.neg.{u2} k (Ring.toNeg.{u2} k _inst_1) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
@@ -938,7 +938,7 @@ variable {V}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {x : k} {s : Set.{u4} ι} {p : ι -> P} {b : P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} 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 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
@@ -972,7 +972,7 @@ variable (k)
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
@@ -1235,7 +1235,7 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) j s) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (p j)))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeightsₓ'. -/
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
@@ -1628,7 +1628,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (p : ι -> P), Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
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+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
@@ -1689,7 +1689,7 @@ variable (k) {V}
 lean 3 declaration is
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 but is expected to have type
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+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [_inst_4 : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.mem.{u3, u3} V (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) (SetLike.instMembership.{u3, u3} (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) V (Submodule.setLike.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3)) v (vectorSpan.{u2, u3, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) (fun (h : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) => Eq.{succ u3} V v (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
@@ -1820,7 +1820,7 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u3} P q (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6191 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vaddₓ'. -/
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with

mathlib commit https://github.com/leanprover-community/mathlib/commit/0b9eaaa7686280fad8cce467f5c3c57ee6ce77f8

@@ -94,7 +94,7 @@ def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_applyₓ'. -/
 @[simp]
 theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
@@ -106,7 +106,7 @@ theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p b))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_constₓ'. -/
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
@@ -119,7 +119,7 @@ theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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(NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congrₓ'. -/
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -136,7 +136,7 @@ theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁
 lean 3 declaration is
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 but is expected to have type
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_inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P) (j : ι) (w₁ : ι -> k) (w₂ : ι -> k), (forall (i : ι), (Ne.{succ u4} ι i j) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₁) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eqₓ'. -/
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
@@ -156,7 +156,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
 lean 3 declaration is
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(NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zeroₓ'. -/
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
@@ -177,7 +177,7 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
 lean 3 declaration is
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(AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x 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ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k 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u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_oneₓ'. -/
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
@@ -201,7 +201,7 @@ theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
 lean 3 declaration is
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_inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_eraseₓ'. -/
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
@@ -218,7 +218,7 @@ theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.hasInsert.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), 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_inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insertₓ'. -/
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
@@ -235,7 +235,7 @@ theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) 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(Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => 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HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -252,7 +252,7 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p b) w) (coeFn.{max (succ (max u5 u1)) (succ u2), max (succ (max u5 u1)) (succ u2)} (LinearMap.{u1, u1, max u5 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι₂ -> k) V (Pi.addCommMonoid.{u5, u1} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u5, u1, u1} ι₂ k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x 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 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)) b) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun 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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p b) w) (FunLike.coe.{max (max (succ u3) (succ u5)) (succ u2), max (succ u5) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u5, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι₂ -> k) V (Pi.addCommMonoid.{u5, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)) b) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_mapₓ'. -/
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
@@ -268,7 +268,7 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k 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(NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
@@ -283,7 +283,7 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₂ b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, 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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -296,7 +296,7 @@ theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ b)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPointₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -309,7 +309,7 @@ theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -323,7 +323,7 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -337,7 +337,7 @@ theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
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 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
@@ -351,7 +351,7 @@ theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
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(NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -370,7 +370,7 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k 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 but is expected to have type
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(Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2310 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2310 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
@@ -393,7 +393,7 @@ def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply Finset.weightedVSub_applyₓ'. -/
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
@@ -410,7 +410,7 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k 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(Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) 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k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k 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(Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
@@ -423,7 +423,7 @@ theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))))))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
@@ -437,7 +437,7 @@ theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) =
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u4} (Finset.{u4} ι) (Finset.hasEmptyc.{u4} ι)) p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_empty Finset.weightedVSub_emptyₓ'. -/
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
@@ -449,7 +449,7 @@ theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).wei
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
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_inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
@@ -462,7 +462,7 @@ theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) 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(NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -475,7 +475,7 @@ theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ :
 lean 3 declaration is
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
@@ -489,7 +489,7 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 but is expected to have type
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(Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 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(Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
@@ -502,7 +502,7 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
@@ -515,7 +515,7 @@ theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} V (SubNegMonoid.toHasNeg.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
@@ -528,7 +528,7 @@ theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k 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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (HAdd.hAdd.{u3, u3, u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHAdd.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddZeroClass.toAdd.{u3} ((fun 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
@@ -540,7 +540,7 @@ theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s)
 lean 3 declaration is
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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -552,7 +552,7 @@ theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆
 lean 3 declaration is
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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : (Subtype.{succ u4} ι pred) -> k) => V) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) ((Subtype.{succ u4} ι pred) -> k) V (Pi.addCommMonoid.{u4, u2} (Subtype.{succ u4} ι pred) (fun 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -566,7 +566,7 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) 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_inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -579,7 +579,7 @@ theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (SMul.smul.{u1, max u4 u1} k (ι -> k) (Function.hasSMul.{u4, u1, u1} ι k k (Mul.toSMul.{u1} k (Distrib.toHasMul.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) c w)) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) 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(Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun 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V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3533 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3533 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
@@ -593,7 +593,7 @@ variable (k)
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> P) -> (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S)
 but is expected to have type
-  forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> P) -> (AffineMap.{u1, max u1 u4, max u1 u4, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u4} k _inst_1 ι) _inst_2 _inst_3 S)
+  forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> P) -> (AffineMap.{u1, max u1 u4, max u1 u4, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u4} k _inst_1 ι) _inst_2 _inst_3 S)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination Finset.affineCombinationₓ'. -/
 /-- A weighted sum of the results of subtracting a default base point
 from the given points, added to that base point, as an affine map on
@@ -612,7 +612,7 @@ def affineCombination (p : ι → P) : (ι → k) →ᵃ[k] P
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P), Eq.{max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (AddCommGroup.toAddCommMonoid.{max u4 u1} (ι -> k) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (AffineMap.linear.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p)) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p)
 but is expected to have type
-  forall (k : Type.{u4}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u4, u3} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (p : ι -> P), Eq.{max (max (succ u4) (succ u3)) (succ u2)} (LinearMap.{u4, u4, max u4 u2, u3} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (AddCommGroup.toAddCommMonoid.{max u4 u2} (ι -> k) (Pi.addCommGroup.{u2, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u2, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (AffineMap.linear.{u4, max u4 u2, max u4 u2, u3, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u2, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u2} k _inst_1 ι) _inst_2 _inst_3 S (Finset.affineCombination.{u4, u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p)) (Finset.weightedVSub.{u4, u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p)
+  forall (k : Type.{u4}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u4, u3} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (p : ι -> P), Eq.{max (max (succ u4) (succ u3)) (succ u2)} (LinearMap.{u4, u4, max u4 u2, u3} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (AddCommGroup.toAddCommMonoid.{max u4 u2} (ι -> k) (Pi.addCommGroup.{u2, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u2, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (AffineMap.linear.{u4, max u4 u2, max u4 u2, u3, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u2, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u2} k _inst_1 ι) _inst_2 _inst_3 S (Finset.affineCombination.{u4, u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p)) (Finset.weightedVSub.{u4, u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_linear Finset.affineCombination_linearₓ'. -/
 /-- The linear map corresponding to `affine_combination` is
 `weighted_vsub`. -/
@@ -628,7 +628,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S))) w) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => 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(Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k 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(Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
@@ -647,7 +647,7 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply_const Finset.affineCombination_apply_constₓ'. -/
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
@@ -660,7 +660,7 @@ theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_congr Finset.affineCombination_congrₓ'. -/
 /-- `affine_combination` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -673,7 +673,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (b : P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 but is expected to have type
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: ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (forall (b : P), Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
@@ -687,7 +687,7 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u3} P (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => 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 but is expected to have type
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k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (FunLike.coe.{max (max (succ (max u1 u2)) (succ u3)) (succ u4), succ (max u1 u2), succ u4} (AffineMap.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (FunLike.coe.{max (max (succ (max u1 u2)) (succ u3)) (succ u4), succ (max u1 u2), succ u4} (AffineMap.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun 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k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u1 u2, max u1 u2, max u1 u2} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u1 u2} (ι -> k) (Pi.instAdd.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toAdd.{u1} k (NonUnitalNonAssocSemiring.toDistrib.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
@@ -699,7 +699,7 @@ theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P
 lean 3 declaration is
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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u2 u1, max u2 u1, max u2 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u2 u1} (ι -> k) (Pi.instSub.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Ring.toSub.{u2} k _inst_1))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
@@ -711,7 +711,7 @@ theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] [_inst_4 : DecidableEq.{succ u3} P] (s : Finset.{u3} P) (w : P -> k) (f : (coeSort.{succ u3, succ (succ u3)} (Finset.{u3} P) Type.{u3} (Finset.hasCoeToSort.{u3} P) s) -> P), (Function.Injective.{succ u3, succ u3} (coeSort.{succ u3, succ (succ u3)} (Finset.{u3} P) Type.{u3} (Finset.hasCoeToSort.{u3} P) s) P f) -> (Eq.{succ u3} P (coeFn.{max (succ (max u3 u1)) (succ u2) (succ u3), max (succ (max u3 u1)) (succ u3)} (AffineMap.{u1, max u3 u1, max u3 u1, u2, u3} k ((Subtype.{succ u3} P (fun (x : P) => Membership.Mem.{u3, u3} P (Finset.{u3} P) (Finset.hasMem.{u3} P) x s)) -> k) ((Subtype.{succ u3} P (fun (x : P) => Membership.Mem.{u3, u3} P (Finset.{u3} P) (Finset.hasMem.{u3} P) x s)) -> k) V P _inst_1 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 Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injectiveₓ'. -/
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
@@ -733,7 +733,7 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
 lean 3 declaration is
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=> k) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s))) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u3} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (Finset.attach.{u3} P s) (Subtype.val.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s))) (Function.comp.{succ u3, succ u3, succ u2} (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) P k w (Subtype.val.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)))) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u1)) (succ u3), succ (max u2 u3), succ u3} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u3} k (P -> k) (P -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} P (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : P) => k) (fun (i : P) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} P (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : P) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : P) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : P) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 P) _inst_2 _inst_3 S) (P -> k) (fun (_x : P -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : P -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u3} k (P -> k) (P -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} P (fun (i : P) => k) (fun (i : P) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} P (fun (i : P) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : P) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : P) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 P) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u3} k V P _inst_1 _inst_2 _inst_3 S P s (id.{succ u3} P)) w)
 Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_coe Finset.attach_affineCombination_coeₓ'. -/
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
@@ -747,7 +747,7 @@ omit S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u3 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
@@ -761,7 +761,7 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (AffineMap.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (fun (_x : AffineMap.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) => (ι -> k) -> V) (AffineMap.hasCoeToFun.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (Finset.affineCombination.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) w) (FunLike.coe.{max (succ (max u2 u3)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (Finset.affineCombination.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => V) w) (FunLike.coe.{max (succ (max u2 u3)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => V) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (Finset.affineCombination.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, affine combinations are just linear
 combinations. -/
@@ -777,7 +777,7 @@ include S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (i2 : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u1} k (w i2) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w i) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (i2 : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u3} k (w i2) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w i) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (i2 : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u3} k (w i2) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zeroₓ'. -/
 /-- An `affine_combination` equals a point if that point is in the set
 and has weight 1 and the other points in the set have weight 0. -/
@@ -800,7 +800,7 @@ theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => 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(Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subsetₓ'. -/
 /-- An affine combination is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -815,7 +815,7 @@ theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (coeFn.{max (succ (max u5 u1)) (succ u2) (succ u3), max (succ (max u5 u1)) (succ u3)} (AffineMap.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι₂ -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (coeFn.{max 1 (succ u5) (succ u4), max (succ u5) (succ u4)} (Function.Embedding.{succ u5, succ u4} ι₂ ι) (fun (_x : Function.Embedding.{succ u5, succ u4} ι₂ ι) => ι₂ -> ι) (Function.Embedding.hasCoeToFun.{succ u5, succ u4} ι₂ ι) e))) (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι k w (coeFn.{max 1 (succ u5) (succ u4), max (succ u5) (succ u4)} (Function.Embedding.{succ u5, succ u4} ι₂ ι) (fun (_x : Function.Embedding.{succ u5, succ u4} ι₂ ι) => ι₂ -> ι) (Function.Embedding.hasCoeToFun.{succ u5, succ u4} ι₂ ι) e)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (FunLike.coe.{max (max (succ (max u2 u5)) (succ u1)) (succ u3), succ (max u2 u5), succ u3} (AffineMap.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι₂ -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) 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+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (FunLike.coe.{max (max (succ (max u2 u5)) (succ u1)) (succ u3), succ (max u2 u5), succ u3} (AffineMap.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι₂ -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_map Finset.affineCombination_mapₓ'. -/
 /-- An affine combination, over the image of an embedding, equals an
 affine combination with the same points and weights over the original
@@ -829,7 +829,7 @@ theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V 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_inst_2) S) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) 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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
@@ -844,7 +844,7 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddTorsor.toVSub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (AddTorsor.toVSub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
@@ -857,7 +857,7 @@ theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombinationₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
@@ -870,7 +870,7 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (SDiff.sdiff.{u4} (Finset.{u4} ι) (Finset.hasSdiff.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) s s₂) p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k 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 but is expected to have type
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(NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u1, u1, max u4 u1, u3} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -885,7 +885,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i)], (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (Neg.neg.{u1} k (SubNegMonoid.toHasNeg.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i)], (Membership.mem.{u3, u3} ι (Finset.{u3} ι) (Finset.instMembershipFinset.{u3} ι) i s) -> (Eq.{succ u2} k (w i) (Neg.neg.{u2} k (Ring.toNeg.{u2} k _inst_1) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
@@ -906,7 +906,7 @@ theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 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(fun (i : Subtype.{succ u4} ι pred) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => ((Subtype.{succ u4} ι pred) -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i 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_inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k 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(Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Subtype.{succ u4} ι pred) -> k) => P) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 (Subtype.{succ u4} ι pred)) _inst_2 _inst_3 S) ((Subtype.{succ u4} ι pred) -> k) (fun (_x : (Subtype.{succ u4} ι pred) -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Subtype.{succ u4} ι pred) -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 (Subtype.{succ u4} ι pred)) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u4} ι pred) (Finset.subtype.{u4} ι pred (fun (a : ι) => _inst_4 a) s) (fun (i : Subtype.{succ u4} ι pred) => p (Subtype.val.{succ u4} ι pred i))) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : (Subtype.{succ u4} ι pred) -> k) => P) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 (Subtype.{succ u4} ι pred)) _inst_2 _inst_3 S) ((Subtype.{succ u4} ι pred) -> k) (fun (_x : (Subtype.{succ u4} ι pred) -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : (Subtype.{succ u4} ι pred) -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 (Subtype.{succ u4} ι pred)) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u4} ι pred) (Finset.subtype.{u4} ι pred (fun (a : ι) => _inst_4 a) s) (fun (i : Subtype.{succ u4} ι pred) => p (Subtype.val.{succ u4} ι pred i))) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filterₓ'. -/
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -921,7 +921,7 @@ theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_filter_of_ne Finset.affineCombination_filter_of_neₓ'. -/
 /-- An affine combination over `s.filter pred` equals one over `s` if all the weights at indices
 in `s` not satisfying `pred` are zero. -/
@@ -938,7 +938,7 @@ variable {V}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {x : k} {s : Set.{u4} ι} {p : ι -> P} {b : P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} 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_inst_2 _inst_3 S (Set.Elem.{u4} ι s) fs (fun (i : Set.Elem.{u4} ι s) => p (Subtype.val.{succ u4} ι (fun (x : ι) => Membership.mem.{u4, u4} ι (Set.{u4} ι) (Set.instMembershipSet.{u4} ι) x s) i)) b) w)))))
 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
@@ -972,7 +972,7 @@ variable (k)
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
@@ -994,7 +994,7 @@ variable (V)
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {p0 : P} {s : Set.{u4} ι} {p : ι -> P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} 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(fun (i : Set.Elem.{u4} ι s) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S (Set.Elem.{u4} ι s) fs (fun (i : Set.Elem.{u4} ι s) => p (Subtype.val.{succ u4} ι (fun (x : ι) => Membership.mem.{u4, u4} ι (Set.{u4} ι) (Set.instMembershipSet.{u4} ι) x s) i))) w)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p0 : P} {s : Set.{u4} ι} {p : ι -> P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.instHasSubsetSet.{u4} ι) (Finset.toSet.{u4} ι fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.instHasSubsetSet.{u4} ι) (Finset.toSet.{u4} ι fs) s) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) => Eq.{succ u2} P p0 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => 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k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι fs p) w)))))) (Exists.{succ u4} (Finset.{u4} (Set.Elem.{u4} ι s)) (fun (fs : Finset.{u4} (Set.Elem.{u4} ι s)) => Exists.{max (succ u3) (succ u4)} ((Set.Elem.{u4} ι s) -> k) (fun (w : (Set.Elem.{u4} ι s) -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k (Set.Elem.{u4} ι s) (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : Set.Elem.{u4} ι s) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k (Set.Elem.{u4} ι s) (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k 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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) ((Set.Elem.{u4} ι s) -> k) (fun (_x : (Set.Elem.{u4} ι s) -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : (Set.Elem.{u4} ι s) -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k ((Set.Elem.{u4} ι s) -> k) ((Set.Elem.{u4} ι s) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) (fun (i : Set.Elem.{u4} ι s) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S (Set.Elem.{u4} ι s) fs (fun (i : Set.Elem.{u4} ι s) => p (Subtype.val.{succ u4} ι (fun (x : ι) => Membership.mem.{u4, u4} ι (Set.{u4} ι) (Set.instMembershipSet.{u4} ι) x s) i))) w)))))
 Case conversion may be inaccurate. Consider using '#align finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A point can be expressed as an
@@ -1020,7 +1020,7 @@ variable {k V}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {V₂ : Type.{u5}} {P₂ : Type.{u6}} [_inst_4 : AddCommGroup.{u5} V₂] [_inst_5 : Module.{u1, u5} k V₂ (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u5} V₂ _inst_4)] [_inst_6 : AddTorsor.{u5, u6} V₂ P₂ (AddCommGroup.toAddGroup.{u5} V₂ _inst_4)] (p : ι -> P) (w : ι -> k), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k 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(NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w)) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u6)) (succ u5), succ (max u4 u3), succ u5} (AffineMap.{u4, max u4 u3, max u4 u3, u6, u5} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P₂) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u6, u5} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (Finset.affineCombination.{u4, u6, u5, u3} k V₂ P₂ _inst_1 _inst_4 _inst_5 _inst_6 ι s (Function.comp.{succ u3, succ u1, succ u5} ι P P₂ (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f) p)) w))
 Case conversion may be inaccurate. Consider using '#align finset.map_affine_combination Finset.map_affineCombinationₓ'. -/
 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
@@ -1219,7 +1219,7 @@ variable (k)
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
+  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeightsₓ'. -/
 /-- An affine combination with `affine_combination_single_weights` gives the specified point. -/
 @[simp]
@@ -1235,7 +1235,7 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) j s) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (p j)))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeightsₓ'. -/
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
@@ -1253,7 +1253,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) j s) -> (forall (c : k), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (coeFn.{max (succ u1) (succ u2) (succ u3), max (succ u1) (succ u3)} (AffineMap.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 S) => k -> P) (AffineMap.hasCoeToFun.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (forall (c : k), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ u2) (succ u1)) (succ u3), succ u2, succ u3} (AffineMap.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : k) => P) _x) (AffineMap.funLike.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (forall (c : k), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ u2) (succ u1)) (succ u3), succ u2, succ u3} (AffineMap.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : k) => P) _x) (AffineMap.funLike.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_line_map_weights Finset.affineCombination_affineCombinationLineMapWeightsₓ'. -/
 /-- An affine combination with `affine_combination_line_map_weights` gives the result of
 `line_map`. -/
@@ -1375,7 +1375,7 @@ def centroid (p : ι → P) : P :=
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u1, u4} k _inst_1 ι s))
 but is expected to have type
-  forall (k : Type.{u3}) {V : Type.{u2}} {P : Type.{u4}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u4} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (p : ι -> P), Eq.{succ u4} P (Finset.centroid.{u3, u2, u4, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u3 u1)) (succ u2)) (succ u4), succ (max u3 u1), succ u4} (AffineMap.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u2, u4, u1} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u3, u1} k _inst_1 ι s))
+  forall (k : Type.{u3}) {V : Type.{u2}} {P : Type.{u4}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u4} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (p : ι -> P), Eq.{succ u4} P (Finset.centroid.{u3, u2, u4, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u3 u1)) (succ u2)) (succ u4), succ (max u3 u1), succ u4} (AffineMap.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u2, u4, u1} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u3, u1} k _inst_1 ι s))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_def Finset.centroid_defₓ'. -/
 /-- The definition of the centroid. -/
 theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (s.centroidWeights k) :=
@@ -1545,7 +1545,7 @@ include V
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u1, u4} k _inst_1 ι s))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P (DivisionRing.toRing.{u2} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u2, u4} k _inst_1 ι s))
+  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P (DivisionRing.toRing.{u2} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u2, u4} k _inst_1 ι s))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintypeₓ'. -/
 /-- The centroid as an affine combination over a `fintype`. -/
 theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
@@ -1628,7 +1628,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (p : ι -> P), Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
@@ -1656,7 +1656,7 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (p : ι -> P), Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) w) (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align affine_combination_mem_affine_span affineCombination_mem_affineSpanₓ'. -/
 /-- An `affine_combination` with sum of weights 1 is in the
 `affine_span` of an indexed family, if the underlying ring is
@@ -1689,7 +1689,7 @@ variable (k) {V}
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) v (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) (fun (h : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) => Eq.{succ u2} V v (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
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+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [_inst_4 : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.mem.{u3, u3} V (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) (SetLike.instMembership.{u3, u3} (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) V (Submodule.setLike.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3)) v (vectorSpan.{u2, u3, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) (fun (h : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) => Eq.{succ u3} V v (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
@@ -1741,7 +1741,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpanₓ'. -/
 /-- A point in the `affine_span` of an indexed family is an
 `affine_combination` with sum of weights 1. See also
@@ -1782,7 +1782,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintypeₓ'. -/
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
@@ -1801,7 +1801,7 @@ variable (k V)
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] {p1 : P} {p : ι -> P}, Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {p1 : P} {p : ι -> P}, Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) => Eq.{succ u2} P p1 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {p1 : P} {p : ι -> P}, Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) => Eq.{succ u2} P p1 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombinationₓ'. -/
 /-- A point is in the `affine_span` of an indexed family if and only
 if it is an `affine_combination` with sum of weights 1, provided the
@@ -1820,7 +1820,7 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u3} P q (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1))) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vaddₓ'. -/
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with
@@ -1855,7 +1855,7 @@ variable {k V}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] [_inst_5 : Nontrivial.{u1} k] {s : Set.{u3} P} {p : P}, (Membership.Mem.{u3, u3} P (Set.{u3} P) (Set.hasMem.{u3} P) p s) -> (forall (w : (coeSort.{succ u3, succ (succ u3)} (Set.{u3} P) Type.{u3} (Set.hasCoeToSort.{u3} P) s) -> (Units.{u1} k (Ring.toMonoid.{u1} k _inst_1))), Eq.{succ u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u3} P (coeSort.{succ u3, succ (succ u3)} (Set.{u3} P) Type.{u3} (Set.hasCoeToSort.{u3} P) s) (fun (q : coeSort.{succ u3, succ (succ u3)} (Set.{u3} P) Type.{u3} (Set.hasCoeToSort.{u3} P) s) => coeFn.{max (succ u1) (succ u2) (succ u3), max (succ u1) (succ u3)} (AffineMap.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 _inst_4) => k -> P) (AffineMap.hasCoeToFun.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 _inst_4) (AffineMap.lineMap.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 p ((fun (a : Type.{u3}) (b : Type.{u3}) [self : HasLiftT.{succ u3, succ u3} a b] => self.0) (coeSort.{succ u3, succ (succ u3)} (Set.{u3} P) Type.{u3} (Set.hasCoeToSort.{u3} P) s) P (HasLiftT.mk.{succ u3, succ u3} (coeSort.{succ u3, succ (succ u3)} (Set.{u3} P) Type.{u3} (Set.hasCoeToSort.{u3} P) s) P (CoeTCₓ.coe.{succ u3, succ u3} (coeSort.{succ u3, succ (succ u3)} (Set.{u3} P) Type.{u3} (Set.hasCoeToSort.{u3} P) s) P (coeBase.{succ u3, succ u3} (coeSort.{succ u3, succ (succ u3)} (Set.{u3} P) Type.{u3} (Set.hasCoeToSort.{u3} P) s) P (coeSubtype.{succ u3} P (fun (x : P) => Membership.Mem.{u3, u3} P (Set.{u3} P) (Set.hasMem.{u3} P) x s))))) q)) ((fun (a : Type.{u1}) (b : Type.{u1}) [self : HasLiftT.{succ u1, succ u1} a b] => self.0) (Units.{u1} k (Ring.toMonoid.{u1} k _inst_1)) k (HasLiftT.mk.{succ u1, succ u1} (Units.{u1} k (Ring.toMonoid.{u1} k _inst_1)) k (CoeTCₓ.coe.{succ u1, succ u1} (Units.{u1} k (Ring.toMonoid.{u1} k _inst_1)) k (coeBase.{succ u1, succ u1} (Units.{u1} k (Ring.toMonoid.{u1} k _inst_1)) k (Units.hasCoe.{u1} k (Ring.toMonoid.{u1} k _inst_1))))) (w q))))) (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 s))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] [_inst_5 : Nontrivial.{u3} k] {s : Set.{u2} P} {p : P}, (Membership.mem.{u2, u2} P (Set.{u2} P) (Set.instMembershipSet.{u2} P) p s) -> (forall (w : (Set.Elem.{u2} P s) -> (Units.{u3} k (MonoidWithZero.toMonoid.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))), Eq.{succ u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u2} P (Set.Elem.{u2} P s) (fun (q : Set.Elem.{u2} P s) => FunLike.coe.{max (max (succ u3) (succ u1)) (succ u2), succ u3, succ u2} (AffineMap.{u3, u3, u3, u1, u2} k k k V P _inst_1 (Ring.toAddCommGroup.{u3} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1) (addGroupIsAddTorsor.{u3} k (AddGroupWithOne.toAddGroup.{u3} k (Ring.toAddGroupWithOne.{u3} k _inst_1))) _inst_2 _inst_3 _inst_4) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : k) => P) _x) (AffineMap.funLike.{u3, u3, u3, u1, u2} k k k V P _inst_1 (Ring.toAddCommGroup.{u3} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1) (addGroupIsAddTorsor.{u3} k (AddGroupWithOne.toAddGroup.{u3} k (Ring.toAddGroupWithOne.{u3} k _inst_1))) _inst_2 _inst_3 _inst_4) (AffineMap.lineMap.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 p (Subtype.val.{succ u2} P (fun (x : P) => Membership.mem.{u2, u2} P (Set.{u2} P) (Set.instMembershipSet.{u2} P) x s) q)) (Units.val.{u3} k (MonoidWithZero.toMonoid.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (w q))))) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 s))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] [_inst_5 : Nontrivial.{u3} k] {s : Set.{u2} P} {p : P}, (Membership.mem.{u2, u2} P (Set.{u2} P) (Set.instMembershipSet.{u2} P) p s) -> (forall (w : (Set.Elem.{u2} P s) -> (Units.{u3} k (MonoidWithZero.toMonoid.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))), Eq.{succ u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u2} P (Set.Elem.{u2} P s) (fun (q : Set.Elem.{u2} P s) => FunLike.coe.{max (max (succ u3) (succ u1)) (succ u2), succ u3, succ u2} (AffineMap.{u3, u3, u3, u1, u2} k k k V P _inst_1 (Ring.toAddCommGroup.{u3} k _inst_1) (Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (addGroupIsAddTorsor.{u3} k (AddGroupWithOne.toAddGroup.{u3} k (Ring.toAddGroupWithOne.{u3} k _inst_1))) _inst_2 _inst_3 _inst_4) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1003 : k) => P) _x) (AffineMap.funLike.{u3, u3, u3, u1, u2} k k k V P _inst_1 (Ring.toAddCommGroup.{u3} k _inst_1) (Semiring.toModule.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (addGroupIsAddTorsor.{u3} k (AddGroupWithOne.toAddGroup.{u3} k (Ring.toAddGroupWithOne.{u3} k _inst_1))) _inst_2 _inst_3 _inst_4) (AffineMap.lineMap.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 p (Subtype.val.{succ u2} P (fun (x : P) => Membership.mem.{u2, u2} P (Set.{u2} P) (Set.instMembershipSet.{u2} P) x s) q)) (Units.val.{u3} k (MonoidWithZero.toMonoid.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (w q))))) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 s))
 Case conversion may be inaccurate. Consider using '#align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_unitsₓ'. -/
 /-- Given a set of points, together with a chosen base point in this set, if we affinely transport
 all other members of the set along the line joining them to this base point, the affine span is
@@ -1954,7 +1954,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u4 u2, max u4 u3, u2, u2} k (Prod.{max u4 u2, u2} (ι -> V) V) (Prod.{max u4 u3, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.addCommGroup.{max u4 u2, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u4 u2, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u2} ι k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) _inst_3) (Prod.addTorsor.{max u4 u2, max u4 u3, u2, u3} (ι -> V) (ι -> P) V P (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (Pi.addTorsor.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2) (fun (ᾰ : ι) => P) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
 but is expected to have type
-  forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (CommSemiring.toSemiring.{u1} k (CommRing.toCommSemiring.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u2 u4, max u3 u4, u2, u2} k (Prod.{max u2 u4, u2} (ι -> V) V) (Prod.{max u3 u4, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.instAddCommGroupSum.{max u2 u4, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u2 u4, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u2, u1} ι (fun (i : ι) => V) k (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (fun (i : ι) => _inst_3)) _inst_3) (Prod.instAddTorsorProdProdInstAddGroupSum.{u2, max u3 u4, u3, max u2 u4} V (ι -> P) P (ι -> V) (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (AffineMap.instAddTorsorForAllForAllAddGroupToAddGroup.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => P) (fun (ᾰ : ι) => _inst_2) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
+  forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (CommSemiring.toSemiring.{u1} k (CommRing.toCommSemiring.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u2 u4, max u3 u4, u2, u2} k (Prod.{max u2 u4, u2} (ι -> V) V) (Prod.{max u3 u4, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.instAddCommGroupSum.{max u2 u4, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u2 u4, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u2, u1} ι (fun (i : ι) => V) k (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (fun (i : ι) => _inst_3)) _inst_3) (Prod.instAddTorsorProdProdInstAddGroupSum.{u2, max u3 u4, u3, max u2 u4} V (ι -> P) P (ι -> V) (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (Pi.instAddTorsorForAllForAllAddGroup.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2) (fun (ᾰ : ι) => P) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
 Case conversion may be inaccurate. Consider using '#align affine_map.weighted_vsub_of_point AffineMap.weightedVSubOfPointₓ'. -/
 -- TODO: define `affine_map.proj`, `affine_map.fst`, `affine_map.snd`
 /-- A weighted sum, as an affine map on the points involved. -/

mathlib commit https://github.com/leanprover-community/mathlib/commit/0b9eaaa7686280fad8cce467f5c3c57ee6ce77f8

@@ -94,7 +94,7 @@ def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_applyₓ'. -/
 @[simp]
 theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
@@ -106,7 +106,7 @@ theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p b))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_constₓ'. -/
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
@@ -119,7 +119,7 @@ theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 but is expected to have type
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(Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congrₓ'. -/
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -136,7 +136,7 @@ theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁
 lean 3 declaration is
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 but is expected to have type
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_inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eqₓ'. -/
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
@@ -156,7 +156,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} 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 but is expected to have type
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(Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) 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k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zeroₓ'. -/
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
@@ -177,7 +177,7 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
 lean 3 declaration is
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(AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) b₁) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), 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(Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
 but is expected to have type
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u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) b₁) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) 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u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) b₁) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_oneₓ'. -/
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
@@ -201,7 +201,7 @@ theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
 lean 3 declaration is
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_inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
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(Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (FunLike.coe.{max 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_eraseₓ'. -/
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
@@ -218,7 +218,7 @@ theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.hasInsert.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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ι) => _inst_4 a b)) i s) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insertₓ'. -/
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
@@ -235,7 +235,7 @@ theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) 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(Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -252,7 +252,7 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k 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 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k 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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)) b) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_mapₓ'. -/
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
@@ -268,7 +268,7 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
@@ -283,7 +283,7 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₂ b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, 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(AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -296,7 +296,7 @@ theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ b)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPointₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -309,7 +309,7 @@ theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k 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 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -323,7 +323,7 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -337,7 +337,7 @@ theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : (Subtype.{succ u4} ι pred) -> k) => V) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) ((Subtype.{succ u4} ι pred) -> k) V (Pi.addCommMonoid.{u4, u2} (Subtype.{succ u4} ι pred) (fun 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(Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
@@ -351,7 +351,7 @@ theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k 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(NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -370,7 +370,7 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k 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 but is expected to have type
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(Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k 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+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2310 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2310 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
@@ -393,7 +393,7 @@ def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply Finset.weightedVSub_applyₓ'. -/
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
@@ -410,7 +410,7 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k 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(Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) 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k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
@@ -423,7 +423,7 @@ theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))))))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
@@ -437,7 +437,7 @@ theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) =
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u4} (Finset.{u4} ι) (Finset.hasEmptyc.{u4} ι)) p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_empty Finset.weightedVSub_emptyₓ'. -/
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
@@ -449,7 +449,7 @@ theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).wei
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => 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(Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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_inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
@@ -462,7 +462,7 @@ theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} 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(Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -475,7 +475,7 @@ theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ :
 lean 3 declaration is
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
@@ -489,7 +489,7 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 but is expected to have type
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(instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k 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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
@@ -502,7 +502,7 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
@@ -515,7 +515,7 @@ theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} V (SubNegMonoid.toHasNeg.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
@@ -528,7 +528,7 @@ theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k 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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (HAdd.hAdd.{u3, u3, u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHAdd.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddZeroClass.toAdd.{u3} ((fun 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
@@ -540,7 +540,7 @@ theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s)
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -552,7 +552,7 @@ theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆
 lean 3 declaration is
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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : (Subtype.{succ u4} ι pred) -> k) => V) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) ((Subtype.{succ u4} ι pred) -> k) V (Pi.addCommMonoid.{u4, u2} (Subtype.{succ u4} ι pred) (fun 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(Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -566,7 +566,7 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) 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_inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -579,7 +579,7 @@ theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (SMul.smul.{u1, max u4 u1} k (ι -> k) (Function.hasSMul.{u4, u1, u1} ι k k (Mul.toSMul.{u1} k (Distrib.toHasMul.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) c w)) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) 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V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3533 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun 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(AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3533 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun 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(SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
@@ -628,7 +628,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k 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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => 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(Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => 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(Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
@@ -647,7 +647,7 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply_const Finset.affineCombination_apply_constₓ'. -/
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
@@ -660,7 +660,7 @@ theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_congr Finset.affineCombination_congrₓ'. -/
 /-- `affine_combination` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -673,7 +673,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (b : P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) 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(Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 but is expected to have type
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+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (forall (b : P), Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P 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(Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
@@ -687,7 +687,7 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u3} P (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => 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_inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u4 u1, max u4 u1, max u4 u1} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u4 u1} (ι -> k) (Pi.instAdd.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toHasAdd.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) w₁ w₂))
 but is expected to have type
-  forall {k : Type.{u1}} {V : Type.{u3}} {P : Type.{u4}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u1, u3} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u4} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (HVAdd.hVAdd.{u3, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (instHVAdd.{u3, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (AddAction.toVAdd.{u3, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (SubNegMonoid.toAddMonoid.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (AddGroup.toSubNegMonoid.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (AddCommGroup.toAddGroup.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) _inst_2))) (AddTorsor.toAddAction.{u3, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (AddCommGroup.toAddGroup.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) _inst_2) S))) (FunLike.coe.{max (max (succ u3) (succ u2)) (succ u1), max (succ u2) (succ u1), succ u3} (LinearMap.{u1, u1, max u1 u2, u3} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u1, u1, max u2 u1, u3} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (FunLike.coe.{max (max (succ (max u1 u2)) (succ u3)) (succ u4), succ (max u1 u2), succ u4} (AffineMap.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) 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(a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u1 u2, max u1 u2, max u1 u2} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u1 u2} (ι -> k) (Pi.instAdd.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toAdd.{u1} k (NonUnitalNonAssocSemiring.toDistrib.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
@@ -699,7 +699,7 @@ theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => 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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u2 u1, max u2 u1, max u2 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u2 u1} (ι -> k) (Pi.instSub.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Ring.toSub.{u2} k _inst_1))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
@@ -711,7 +711,7 @@ theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] [_inst_4 : DecidableEq.{succ u3} P] (s : Finset.{u3} P) (w : P -> k) (f : (coeSort.{succ u3, succ (succ u3)} (Finset.{u3} P) Type.{u3} (Finset.hasCoeToSort.{u3} P) s) -> P), (Function.Injective.{succ u3, succ u3} (coeSort.{succ u3, succ (succ u3)} (Finset.{u3} P) Type.{u3} (Finset.hasCoeToSort.{u3} P) s) P f) -> (Eq.{succ u3} P (coeFn.{max (succ (max u3 u1)) (succ u2) (succ u3), max (succ (max u3 u1)) (succ u3)} (AffineMap.{u1, max u3 u1, max u3 u1, u2, u3} k ((Subtype.{succ u3} P (fun (x : P) => Membership.Mem.{u3, u3} P (Finset.{u3} P) (Finset.hasMem.{u3} P) x s)) -> k) ((Subtype.{succ u3} P (fun (x : P) => Membership.Mem.{u3, u3} P (Finset.{u3} P) (Finset.hasMem.{u3} P) x s)) -> k) V P _inst_1 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 Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injectiveₓ'. -/
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
@@ -733,7 +733,7 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
 lean 3 declaration is
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Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) -> k) (fun (_x : (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u3} k ((Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) -> k) ((Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => k) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s))) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u3} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (Finset.attach.{u3} P s) (Subtype.val.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s))) (Function.comp.{succ u3, succ u3, succ u2} (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) P k w (Subtype.val.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)))) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u1)) (succ u3), succ (max u2 u3), succ u3} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u3} k (P -> k) (P -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} P (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : P) => k) (fun (i : P) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} P (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : P) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : P) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : P) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 P) _inst_2 _inst_3 S) (P -> k) (fun (_x : P -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u3} k (P -> k) (P -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} P (fun (i : P) => k) (fun (i : P) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} P (fun (i : P) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : P) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : P) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 P) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u3} k V P _inst_1 _inst_2 _inst_3 S P s (id.{succ u3} P)) w)
 Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_coe Finset.attach_affineCombination_coeₓ'. -/
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
@@ -747,7 +747,7 @@ omit S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u3 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
@@ -761,7 +761,7 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (AffineMap.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (fun (_x : AffineMap.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) => (ι -> k) -> V) (AffineMap.hasCoeToFun.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (Finset.affineCombination.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) w) (FunLike.coe.{max (succ (max u2 u3)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (Finset.affineCombination.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) w) (FunLike.coe.{max (succ (max u2 u3)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (Finset.affineCombination.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, affine combinations are just linear
 combinations. -/
@@ -777,7 +777,7 @@ include S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (i2 : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u1} k (w i2) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w i) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (i2 : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u3} k (w i2) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w i) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (i2 : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u3} k (w i2) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zeroₓ'. -/
 /-- An `affine_combination` equals a point if that point is in the set
 and has weight 1 and the other points in the set have weight 0. -/
@@ -800,7 +800,7 @@ theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => 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(Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subsetₓ'. -/
 /-- An affine combination is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -815,7 +815,7 @@ theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (coeFn.{max (succ (max u5 u1)) (succ u2) (succ u3), max (succ (max u5 u1)) (succ u3)} (AffineMap.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι₂ -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (coeFn.{max 1 (succ u5) (succ u4), max (succ u5) (succ u4)} (Function.Embedding.{succ u5, succ u4} ι₂ ι) (fun (_x : Function.Embedding.{succ u5, succ u4} ι₂ ι) => ι₂ -> ι) (Function.Embedding.hasCoeToFun.{succ u5, succ u4} ι₂ ι) e))) (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι k w (coeFn.{max 1 (succ u5) (succ u4), max (succ u5) (succ u4)} (Function.Embedding.{succ u5, succ u4} ι₂ ι) (fun (_x : Function.Embedding.{succ u5, succ u4} ι₂ ι) => ι₂ -> ι) (Function.Embedding.hasCoeToFun.{succ u5, succ u4} ι₂ ι) e)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (FunLike.coe.{max (max (succ (max u2 u5)) (succ u1)) (succ u3), succ (max u2 u5), succ u3} (AffineMap.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι₂ -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) 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+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (FunLike.coe.{max (max (succ (max u2 u5)) (succ u1)) (succ u3), succ (max u2 u5), succ u3} (AffineMap.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι₂ -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_map Finset.affineCombination_mapₓ'. -/
 /-- An affine combination, over the image of an embedding, equals an
 affine combination with the same points and weights over the original
@@ -829,7 +829,7 @@ theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V 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_inst_2) S) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
@@ -844,7 +844,7 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddTorsor.toVSub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddTorsor.toVSub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
@@ -857,7 +857,7 @@ theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombinationₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
@@ -870,7 +870,7 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (SDiff.sdiff.{u4} (Finset.{u4} ι) (Finset.hasSdiff.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) s s₂) p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k 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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u1, u1, max u4 u1, u3} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -885,7 +885,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i)], (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (Neg.neg.{u1} k (SubNegMonoid.toHasNeg.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 but is expected to have type
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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V 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(a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => 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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
@@ -906,7 +906,7 @@ theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) 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_inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k 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(Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Subtype.{succ u4} ι pred) -> k) => P) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : Subtype.{succ u4} ι pred) => k) (fun (i : 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_inst_3 S (Subtype.{succ u4} ι pred) (Finset.subtype.{u4} ι pred (fun (a : ι) => _inst_4 a) s) (fun (i : Subtype.{succ u4} ι pred) => p (Subtype.val.{succ u4} ι pred i))) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Subtype.{succ u4} ι pred) -> k) => P) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : Subtype.{succ u4} ι pred) => k) (fun (i : 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u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 (Subtype.{succ u4} ι pred)) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u4} ι pred) (Finset.subtype.{u4} ι pred (fun (a : ι) => _inst_4 a) s) (fun (i : Subtype.{succ u4} ι pred) => p (Subtype.val.{succ u4} ι pred i))) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filterₓ'. -/
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -921,7 +921,7 @@ theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_filter_of_ne Finset.affineCombination_filter_of_neₓ'. -/
 /-- An affine combination over `s.filter pred` equals one over `s` if all the weights at indices
 in `s` not satisfying `pred` are zero. -/
@@ -938,7 +938,7 @@ variable {V}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {x : k} {s : Set.{u4} ι} {p : ι -> P} {b : P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S (Set.Elem.{u4} ι s) fs (fun (i : Set.Elem.{u4} ι s) => p (Subtype.val.{succ u4} ι (fun (x : ι) => Membership.mem.{u4, u4} ι (Set.{u4} ι) (Set.instMembershipSet.{u4} ι) x s) i)) b) w)))))
 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
@@ -972,7 +972,7 @@ variable (k)
 lean 3 declaration is
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(Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) ((Set.Elem.{u4} ι s) -> k) (fun (_x : (Set.Elem.{u4} ι s) -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : (Set.Elem.{u4} ι s) -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k ((Set.Elem.{u4} ι s) -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} (Set.Elem.{u4} ι s) (fun (ᾰ : Set.Elem.{u4} ι s) => k) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k 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(Set.instMembershipSet.{u4} ι) x s) i))) w)))))
 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
@@ -994,7 +994,7 @@ variable (V)
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {p0 : P} {s : Set.{u4} ι} {p : ι -> P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} 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+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p0 : P} {s : Set.{u4} ι} {p : ι -> P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.instHasSubsetSet.{u4} ι) (Finset.toSet.{u4} ι fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.instHasSubsetSet.{u4} ι) (Finset.toSet.{u4} ι fs) s) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) => Eq.{succ u2} P p0 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => 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_inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) ((Set.Elem.{u4} ι s) -> k) (fun (_x : (Set.Elem.{u4} ι s) -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Set.Elem.{u4} ι s) -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k ((Set.Elem.{u4} ι s) -> k) ((Set.Elem.{u4} ι s) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) (fun (i : Set.Elem.{u4} ι s) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S (Set.Elem.{u4} ι s) fs (fun (i : Set.Elem.{u4} ι s) => p (Subtype.val.{succ u4} ι (fun (x : ι) => Membership.mem.{u4, u4} ι (Set.{u4} ι) (Set.instMembershipSet.{u4} ι) x s) i))) w)))))
 Case conversion may be inaccurate. Consider using '#align finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A point can be expressed as an
@@ -1020,7 +1020,7 @@ variable {k V}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {V₂ : Type.{u5}} {P₂ : Type.{u6}} [_inst_4 : AddCommGroup.{u5} V₂] [_inst_5 : Module.{u1, u5} k V₂ (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u5} V₂ _inst_4)] [_inst_6 : AddTorsor.{u5, u6} V₂ P₂ (AddCommGroup.toAddGroup.{u5} V₂ _inst_4)] (p : ι -> P) (w : ι -> k), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (f : AffineMap.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6), Eq.{succ u6} P₂ (coeFn.{max (succ u2) (succ u3) (succ u5) (succ u6), max (succ u3) (succ u6)} (AffineMap.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) (fun (_x : AffineMap.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) => P -> P₂) (AffineMap.hasCoeToFun.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, 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 but is expected to have type
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+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {V₂ : Type.{u6}} {P₂ : Type.{u5}} [_inst_4 : AddCommGroup.{u6} V₂] [_inst_5 : Module.{u4, u6} k V₂ (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u6} V₂ _inst_4)] [_inst_6 : AddTorsor.{u6, u5} V₂ P₂ (AddCommGroup.toAddGroup.{u6} V₂ _inst_4)] (p : ι -> P) (w : ι -> k), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s w) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (forall (f : AffineMap.{u4, u2, u1, 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(Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (a : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) a) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w)) (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w)) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u6)) (succ u5), succ (max u4 u3), succ u5} (AffineMap.{u4, max u4 u3, max u4 u3, u6, u5} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P₂) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u6, u5} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (Finset.affineCombination.{u4, u6, u5, u3} k V₂ P₂ _inst_1 _inst_4 _inst_5 _inst_6 ι s (Function.comp.{succ u3, succ u1, succ u5} ι P P₂ (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f) p)) w))
 Case conversion may be inaccurate. Consider using '#align finset.map_affine_combination Finset.map_affineCombinationₓ'. -/
 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
@@ -1094,7 +1094,7 @@ def weightedVSubVSubWeights [DecidableEq ι] (i j : ι) : ι → k :=
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{max (succ u2) (succ u1)} (ι -> k) (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{max u2 u1} (ι -> k) 0 (OfNat.mk.{max u2 u1} (ι -> k) 0 (Zero.zero.{max u2 u1} (ι -> k) (Pi.instZero.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{max (succ u1) (succ u2)} (ι -> k) (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{max u1 u2} (ι -> k) 0 (Zero.toOfNat0.{max u1 u2} (ι -> k) (Pi.instZero.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.7166 : ι) => k) (fun (i : ι) => MonoidWithZero.toZero.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{max (succ u1) (succ u2)} (ι -> k) (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{max u1 u2} (ι -> k) 0 (Zero.toOfNat0.{max u1 u2} (ι -> k) (Pi.instZero.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.7165 : ι) => k) (fun (i : ι) => MonoidWithZero.toZero.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vsub_weights_self Finset.weightedVSubVSubWeights_selfₓ'. -/
 @[simp]
 theorem weightedVSubVSubWeights_self [DecidableEq ι] (i : ι) : weightedVSubVSubWeights k i i = 0 :=
@@ -1219,7 +1219,7 @@ variable (k)
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
+  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeightsₓ'. -/
 /-- An affine combination with `affine_combination_single_weights` gives the specified point. -/
 @[simp]
@@ -1235,7 +1235,7 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) j s) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (p j)))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeightsₓ'. -/
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
@@ -1253,7 +1253,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) j s) -> (forall (c : k), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k 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_inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (coeFn.{max (succ u1) (succ u2) (succ u3), max (succ u1) (succ u3)} (AffineMap.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 S) => k -> P) (AffineMap.hasCoeToFun.{u1, u1, u1, u2, u3} k k k V P _inst_1 (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (forall (c : k), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ u2) (succ u1)) (succ u3), succ u2, succ u3} (AffineMap.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : k) => P) _x) (AffineMap.funLike.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (forall (c : k), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ u2) (succ u1)) (succ u3), succ u2, succ u3} (AffineMap.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : k) => P) _x) (AffineMap.funLike.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_line_map_weights Finset.affineCombination_affineCombinationLineMapWeightsₓ'. -/
 /-- An affine combination with `affine_combination_line_map_weights` gives the result of
 `line_map`. -/
@@ -1375,7 +1375,7 @@ def centroid (p : ι → P) : P :=
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u1, u4} k _inst_1 ι s))
 but is expected to have type
-  forall (k : Type.{u3}) {V : Type.{u2}} {P : Type.{u4}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u4} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (p : ι -> P), Eq.{succ u4} P (Finset.centroid.{u3, u2, u4, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u3 u1)) (succ u2)) (succ u4), succ (max u3 u1), succ u4} (AffineMap.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u2, u4, u1} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u3, u1} k _inst_1 ι s))
+  forall (k : Type.{u3}) {V : Type.{u2}} {P : Type.{u4}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u4} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (p : ι -> P), Eq.{succ u4} P (Finset.centroid.{u3, u2, u4, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u3 u1)) (succ u2)) (succ u4), succ (max u3 u1), succ u4} (AffineMap.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u2, u4, u1} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u3, u1} k _inst_1 ι s))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_def Finset.centroid_defₓ'. -/
 /-- The definition of the centroid. -/
 theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (s.centroidWeights k) :=
@@ -1545,7 +1545,7 @@ include V
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u1, u4} k _inst_1 ι s))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P (DivisionRing.toRing.{u2} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u2, u4} k _inst_1 ι s))
+  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P (DivisionRing.toRing.{u2} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u2, u4} k _inst_1 ι s))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintypeₓ'. -/
 /-- The centroid as an affine combination over a `fintype`. -/
 theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
@@ -1628,7 +1628,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (p : ι -> P), Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
@@ -1656,7 +1656,7 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (p : ι -> P), Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align affine_combination_mem_affine_span affineCombination_mem_affineSpanₓ'. -/
 /-- An `affine_combination` with sum of weights 1 is in the
 `affine_span` of an indexed family, if the underlying ring is
@@ -1689,7 +1689,7 @@ variable (k) {V}
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) v (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) (fun (h : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) => Eq.{succ u2} V v (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [_inst_4 : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.mem.{u3, u3} V (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) (SetLike.instMembership.{u3, u3} (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) V (Submodule.setLike.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3)) v (vectorSpan.{u2, u3, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) (fun (h : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) => Eq.{succ u3} V v (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [_inst_4 : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.mem.{u3, u3} V (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) (SetLike.instMembership.{u3, u3} (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) V (Submodule.setLike.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3)) v (vectorSpan.{u2, u3, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) (fun (h : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) => Eq.{succ u3} V v (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2389 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
@@ -1741,7 +1741,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpanₓ'. -/
 /-- A point in the `affine_span` of an indexed family is an
 `affine_combination` with sum of weights 1. See also
@@ -1782,7 +1782,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintypeₓ'. -/
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
@@ -1801,7 +1801,7 @@ variable (k V)
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] {p1 : P} {p : ι -> P}, Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {p1 : P} {p : ι -> P}, Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) => Eq.{succ u2} P p1 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {p1 : P} {p : ι -> P}, Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) => Eq.{succ u2} P p1 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3598 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombinationₓ'. -/
 /-- A point is in the `affine_span` of an indexed family if and only
 if it is an `affine_combination` with sum of weights 1, provided the
@@ -1820,7 +1820,7 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u3} P q (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.218 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vaddₓ'. -/
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with

mathlib commit https://github.com/leanprover-community/mathlib/commit/08e1d8d4d989df3a6df86f385e9053ec8a372cc1

@@ -94,7 +94,7 @@ def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) b)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_applyₓ'. -/
 @[simp]
 theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
@@ -106,7 +106,7 @@ theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p b))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P) (b : P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p) b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p b))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_constₓ'. -/
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
@@ -119,7 +119,7 @@ theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k 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 but is expected to have type
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_inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) 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_inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => 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(Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congrₓ'. -/
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -136,7 +136,7 @@ theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P) (j : ι) (w₁ : ι -> k) (w₂ : ι -> k), (forall (i : ι), (Ne.{succ u4} ι i j) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P) (j : ι) (w₁ : ι -> k) (w₂ : ι -> k), (forall (i : ι), (Ne.{succ u4} ι i j) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₁) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P) (j : ι) (w₁ : ι -> k) (w₂ : ι -> k), (forall (i : ι), (Ne.{succ u4} ι i j) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₁) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p j)) w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eqₓ'. -/
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
@@ -156,7 +156,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} 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-> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zeroₓ'. -/
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
@@ -177,7 +177,7 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
 lean 3 declaration is
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(AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x 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=> AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) b₁) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), 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_inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
 but is expected to have type
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(Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (forall (b₁ : P) (b₂ : P), Eq.{succ u2} P (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₁) w) b₁) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b₂) w) b₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_oneₓ'. -/
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
@@ -201,7 +201,7 @@ theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.erase.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b) s i) p (p i)) w) 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_inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_eraseₓ'. -/
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
@@ -218,7 +218,7 @@ theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.hasInsert.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (w : ι -> k) (p : ι -> P) (i : ι), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) i s) p (p i)) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p (p i)) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insertₓ'. -/
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
@@ -235,7 +235,7 @@ theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) 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_inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) (b : P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => 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(Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p b) w) (FunLike.coe.{max 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -252,7 +252,7 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)) b) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_mapₓ'. -/
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
@@ -268,7 +268,7 @@ theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k 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(NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
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(SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
@@ -283,7 +283,7 @@ theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₂ b)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) p₂))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁ b) w) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -296,7 +296,7 @@ theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ b)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 but is expected to have type
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(instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => 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+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P) (b : P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ (p₂ i)))) (HSub.hSub.{u4, u4, u4} V ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) V (instHSub.{u4} V (SubNegMonoid.toSub.{u4} V (AddGroup.toSubNegMonoid.{u4} V (AddCommGroup.toAddGroup.{u4} V _inst_2)))) (HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₁ b)) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂ b) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPointₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
@@ -309,7 +309,7 @@ theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι
 lean 3 declaration is
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 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -323,7 +323,7 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -337,7 +337,7 @@ theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
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(Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSubOfPoint.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
@@ -351,7 +351,7 @@ theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun 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(AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) 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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p b) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -370,7 +370,7 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) (SMul.smul.{u1, max u4 u1} k (ι -> k) (Function.hasSMul.{u4, u1, u1} ι k k (Mul.toSMul.{u1} k (Distrib.toHasMul.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) c w)) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2311 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k 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(AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2311 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
@@ -393,7 +393,7 @@ def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply Finset.weightedVSub_applyₓ'. -/
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
@@ -410,7 +410,7 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) 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(Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
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(Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) 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k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (forall (b : P), Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
@@ -423,7 +423,7 @@ theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))))))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
@@ -437,7 +437,7 @@ theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) =
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u4} (Finset.{u4} ι) (Finset.hasEmptyc.{u4} ι)) p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_empty Finset.weightedVSub_emptyₓ'. -/
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
@@ -449,7 +449,7 @@ theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).wei
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
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(NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun 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_inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i 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k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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_inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
@@ -462,7 +462,7 @@ theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) 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(Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max 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(i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -475,7 +475,7 @@ theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ :
 lean 3 declaration is
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
@@ -489,7 +489,7 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 but is expected to have type
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(Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k 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(RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
@@ -502,7 +502,7 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
@@ -515,7 +515,7 @@ theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} V (SubNegMonoid.toHasNeg.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
@@ -528,7 +528,7 @@ theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k 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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (HAdd.hAdd.{u3, u3, u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHAdd.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddZeroClass.toAdd.{u3} ((fun 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
@@ -540,7 +540,7 @@ theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s)
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -552,7 +552,7 @@ theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆
 lean 3 declaration is
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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : (Subtype.{succ u4} ι pred) -> k) => V) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) ((Subtype.{succ u4} ι pred) -> k) V (Pi.addCommMonoid.{u4, u2} (Subtype.{succ u4} ι pred) (fun 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(LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -566,7 +566,7 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) 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_inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun 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(AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -579,7 +579,7 @@ theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} 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(Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (SMul.smul.{u1, max u4 u1} k (ι -> k) (Function.hasSMul.{u4, u1, u1} ι k k (Mul.toSMul.{u1} k (Distrib.toHasMul.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) c w)) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
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(Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3534 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun 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(AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3534 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun 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(SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
@@ -628,7 +628,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k 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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : 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+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k 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(Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
@@ -647,7 +647,7 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply_const Finset.affineCombination_apply_constₓ'. -/
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
@@ -673,7 +673,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (b : P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 but is expected to have type
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k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (forall (b : P), Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u1} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (Semiring.toNonAssocSemiring.{u4} k (Ring.toSemiring.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
@@ -687,7 +687,7 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u3} P (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => 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_inst_2 _inst_3 S ι s p) w₂)) (FunLike.coe.{max (max (succ (max u1 u2)) (succ u3)) (succ u4), succ (max u1 u2), succ u4} (AffineMap.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u1 u2, max u1 u2, max u1 u2} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u1 u2} (ι -> k) (Pi.instAdd.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toAdd.{u1} k (NonUnitalNonAssocSemiring.toDistrib.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
@@ -699,7 +699,7 @@ theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P
 lean 3 declaration is
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(Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) 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(Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u1} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (FunLike.coe.{max (max (succ u4) (succ u1)) (succ u2), max (succ u1) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u1, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u1, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u1 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u1, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u3, u1} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSub.hSub.{max u2 u1, max u2 u1, max u2 u1} (ι -> k) (ι -> k) (ι -> k) (instHSub.{max u2 u1} (ι -> k) (Pi.instSub.{u1, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Ring.toSub.{u2} k _inst_1))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
@@ -747,7 +747,7 @@ omit S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u3 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
@@ -761,7 +761,7 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (AffineMap.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (fun (_x : AffineMap.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) => (ι -> k) -> V) (AffineMap.hasCoeToFun.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (Finset.affineCombination.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) w) (FunLike.coe.{max (succ (max u2 u3)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (Finset.affineCombination.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) w) (FunLike.coe.{max (succ (max u2 u3)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (Finset.affineCombination.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, affine combinations are just linear
 combinations. -/
@@ -777,7 +777,7 @@ include S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (i2 : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u1} k (w i2) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w i) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) -> (forall (i2 : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u3} k (w i2) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w i) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (i2 : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u3} k (w i2) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zeroₓ'. -/
 /-- An `affine_combination` equals a point if that point is in the set
 and has weight 1 and the other points in the set have weight 0. -/
@@ -844,7 +844,7 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddTorsor.toVSub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddTorsor.toVSub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
@@ -857,7 +857,7 @@ theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombinationₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
@@ -870,7 +870,7 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (SDiff.sdiff.{u4} (Finset.{u4} ι) (Finset.hasSdiff.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) s s₂) p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k 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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u1, u1, max u4 u1, u3} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -885,7 +885,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i)], (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (Neg.neg.{u1} k (SubNegMonoid.toHasNeg.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
@@ -938,7 +938,7 @@ variable {V}
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
@@ -972,7 +972,7 @@ variable (k)
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
@@ -994,7 +994,7 @@ variable (V)
 lean 3 declaration is
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(Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι fs p) w)))))) (Exists.{succ u4} (Finset.{u4} (Set.Elem.{u4} ι s)) (fun (fs : Finset.{u4} (Set.Elem.{u4} ι s)) => Exists.{max (succ u3) (succ u4)} ((Set.Elem.{u4} ι s) -> k) (fun (w : (Set.Elem.{u4} ι s) -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k (Set.Elem.{u4} ι s) (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : Set.Elem.{u4} ι s) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k (Set.Elem.{u4} ι s) (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : Set.Elem.{u4} ι s) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) => Eq.{succ u2} P p0 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k ((Set.Elem.{u4} ι s) -> k) ((Set.Elem.{u4} ι s) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} (Set.Elem.{u4} ι s) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : Set.Elem.{u4} ι s) => k) (fun (i : Set.Elem.{u4} ι s) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} (Set.Elem.{u4} ι s) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : Set.Elem.{u4} ι s) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) ((Set.Elem.{u4} ι s) -> k) (fun (_x : (Set.Elem.{u4} ι s) -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Set.Elem.{u4} ι s) -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k ((Set.Elem.{u4} ι s) -> k) ((Set.Elem.{u4} ι s) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) (fun (i : Set.Elem.{u4} ι s) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S (Set.Elem.{u4} ι s) fs (fun (i : Set.Elem.{u4} ι s) => p (Subtype.val.{succ u4} ι (fun (x : ι) => Membership.mem.{u4, u4} ι (Set.{u4} ι) (Set.instMembershipSet.{u4} ι) x s) i))) w)))))
 Case conversion may be inaccurate. Consider using '#align finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A point can be expressed as an
@@ -1020,7 +1020,7 @@ variable {k V}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {V₂ : Type.{u5}} {P₂ : Type.{u6}} [_inst_4 : AddCommGroup.{u5} V₂] [_inst_5 : Module.{u1, u5} k V₂ (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u5} V₂ _inst_4)] [_inst_6 : AddTorsor.{u5, u6} V₂ P₂ (AddCommGroup.toAddGroup.{u5} V₂ _inst_4)] (p : ι -> P) (w : ι -> k), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (f : AffineMap.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6), Eq.{succ u6} P₂ (coeFn.{max (succ u2) (succ u3) (succ u5) (succ u6), max (succ u3) (succ u6)} (AffineMap.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) (fun (_x : AffineMap.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) => P -> P₂) (AffineMap.hasCoeToFun.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, 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(Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w)) (coeFn.{max (succ (max u4 u1)) (succ u5) (succ u6), max (succ (max u4 u1)) (succ u6)} (AffineMap.{u1, max u4 u1, max u4 u1, u5, u6} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_4 _inst_5 _inst_6) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u5, u6} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_4 _inst_5 _inst_6) => (ι -> k) -> P₂) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u5, u6} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_4 _inst_5 _inst_6) (Finset.affineCombination.{u1, u5, u6, u4} k V₂ P₂ _inst_1 _inst_4 _inst_5 _inst_6 ι s (Function.comp.{succ u4, succ u3, succ u6} ι P P₂ (coeFn.{max (succ u2) (succ u3) (succ u5) (succ u6), max (succ u3) (succ u6)} (AffineMap.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) (fun (_x : AffineMap.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) => P -> P₂) (AffineMap.hasCoeToFun.{u1, u2, u3, u5, u6} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f) p)) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {V₂ : Type.{u6}} {P₂ : Type.{u5}} [_inst_4 : AddCommGroup.{u6} V₂] [_inst_5 : Module.{u4, u6} k V₂ (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u6} V₂ _inst_4)] [_inst_6 : AddTorsor.{u6, u5} V₂ P₂ (AddCommGroup.toAddGroup.{u6} V₂ _inst_4)] (p : ι -> P) (w : ι -> k), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s w) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (forall (f : AffineMap.{u4, 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(Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w)) (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 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(Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (Finset.affineCombination.{u4, u6, u5, u3} k V₂ P₂ _inst_1 _inst_4 _inst_5 _inst_6 ι s (Function.comp.{succ u3, succ u1, succ u5} ι P P₂ (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f) p)) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {V₂ : Type.{u6}} {P₂ : Type.{u5}} [_inst_4 : AddCommGroup.{u6} V₂] [_inst_5 : Module.{u4, u6} k V₂ (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u6} V₂ _inst_4)] [_inst_6 : AddTorsor.{u6, u5} V₂ P₂ (AddCommGroup.toAddGroup.{u6} V₂ _inst_4)] (p : ι -> P) (w : ι -> k), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s w) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (Semiring.toOne.{u4} k (Ring.toSemiring.{u4} k _inst_1))))) -> (forall (f : AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6), Eq.{succ u5} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) 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(Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w)) (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 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NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P₂) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u6, u5} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (Finset.affineCombination.{u4, u6, u5, u3} k V₂ P₂ _inst_1 _inst_4 _inst_5 _inst_6 ι s (Function.comp.{succ u3, succ u1, succ u5} ι P P₂ (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f) p)) w))
 Case conversion may be inaccurate. Consider using '#align finset.map_affine_combination Finset.map_affineCombinationₓ'. -/
 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
@@ -1051,7 +1051,7 @@ def affineCombinationSingleWeights [DecidableEq ι] (i : ι) : ι → k :=
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{succ u1} k (Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))
 but is expected to have type
-  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{succ u1} k (Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{succ u1} k (Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (Semiring.toOne.{u1} k (Ring.toSemiring.{u1} k _inst_1))))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_single_weights_apply_self Finset.affineCombinationSingleWeights_apply_selfₓ'. -/
 @[simp]
 theorem affineCombinationSingleWeights_apply_self [DecidableEq ι] (i : ι) :
@@ -1073,7 +1073,7 @@ theorem affineCombinationSingleWeights_apply_of_ne [DecidableEq ι] {i j : ι} (
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι}, (Membership.Mem.{u2, u2} ι (Finset.{u2} ι) (Finset.hasMem.{u2} ι) i s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (j : ι) => Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))
 but is expected to have type
-  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι}, (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) i s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (j : ι) => Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι}, (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) i s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (j : ι) => Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (Semiring.toOne.{u1} k (Ring.toSemiring.{u1} k _inst_1)))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_affine_combination_single_weights Finset.sum_affineCombinationSingleWeightsₓ'. -/
 @[simp]
 theorem sum_affineCombinationSingleWeights [DecidableEq ι] {i : ι} (h : i ∈ s) :
@@ -1105,7 +1105,7 @@ theorem weightedVSubVSubWeights_self [DecidableEq ι] (i : ι) : weightedVSubVSu
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j i) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))
 but is expected to have type
-  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j i) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j i) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (Semiring.toOne.{u1} k (Ring.toSemiring.{u1} k _inst_1)))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vsub_weights_apply_left Finset.weightedVSubVSubWeights_apply_leftₓ'. -/
 @[simp]
 theorem weightedVSubVSubWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) :
@@ -1116,7 +1116,7 @@ theorem weightedVSubVSubWeights_apply_left [DecidableEq ι] {i j : ι} (h : i 
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j j) (Neg.neg.{u1} k (SubNegMonoid.toHasNeg.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j j) (Neg.neg.{u1} k (Ring.toNeg.{u1} k _inst_1) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j j) (Neg.neg.{u1} k (Ring.toNeg.{u1} k _inst_1) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (Semiring.toOne.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vsub_weights_apply_right Finset.weightedVSubVSubWeights_apply_rightₓ'. -/
 @[simp]
 theorem weightedVSubVSubWeights_apply_right [DecidableEq ι] {i j : ι} (h : i ≠ j) :
@@ -1169,7 +1169,7 @@ theorem affineCombinationLineMapWeights_self [DecidableEq ι] (i : ι) (c : k) :
 lean 3 declaration is
   forall {k : Type.{u1}} [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (forall (c : k), Eq.{succ u1} k (Finset.affineCombinationLineMapWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c i) (HSub.hSub.{u1, u1, u1} k k k (instHSub.{u1} k (SubNegMonoid.toHasSub.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))) c))
 but is expected to have type
-  forall {k : Type.{u1}} [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (forall (c : k), Eq.{succ u1} k (Finset.affineCombinationLineMapWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c i) (HSub.hSub.{u1, u1, u1} k k k (instHSub.{u1} k (Ring.toSub.{u1} k _inst_1)) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) c))
+  forall {k : Type.{u1}} [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (forall (c : k), Eq.{succ u1} k (Finset.affineCombinationLineMapWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c i) (HSub.hSub.{u1, u1, u1} k k k (instHSub.{u1} k (Ring.toSub.{u1} k _inst_1)) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (Semiring.toOne.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) c))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_line_map_weights_apply_left Finset.affineCombinationLineMapWeights_apply_leftₓ'. -/
 @[simp]
 theorem affineCombinationLineMapWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) (c : k) :
@@ -1201,7 +1201,7 @@ theorem affineCombinationLineMapWeights_apply_of_ne [DecidableEq ι] {i j t : ι
 lean 3 declaration is
   forall {k : Type.{u1}} [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Membership.Mem.{u2, u2} ι (Finset.{u2} ι) (Finset.hasMem.{u2} ι) i s) -> (Membership.Mem.{u2, u2} ι (Finset.{u2} ι) (Finset.hasMem.{u2} ι) j s) -> (forall (c : k), Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (t : ι) => Finset.affineCombinationLineMapWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c t)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))
 but is expected to have type
-  forall {k : Type.{u1}} [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) i s) -> (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) j s) -> (forall (c : k), Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (t : ι) => Finset.affineCombinationLineMapWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c t)) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))
+  forall {k : Type.{u1}} [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) i s) -> (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) j s) -> (forall (c : k), Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (t : ι) => Finset.affineCombinationLineMapWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c t)) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (Semiring.toOne.{u1} k (Ring.toSemiring.{u1} k _inst_1)))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_affine_combination_line_map_weights Finset.sum_affineCombinationLineMapWeightsₓ'. -/
 @[simp]
 theorem sum_affineCombinationLineMapWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s)
@@ -1235,7 +1235,7 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) j s) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (p j)))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeightsₓ'. -/
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
@@ -1287,7 +1287,7 @@ def centroidWeights : ι → k :=
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) (i : ι), Eq.{succ u1} k (Finset.centroidWeights.{u1, u2} k _inst_1 ι s i) (Inv.inv.{u1} k (DivInvMonoid.toHasInv.{u1} k (DivisionRing.toDivInvMonoid.{u1} k _inst_1)) ((fun (a : Type) (b : Type.{u1}) [self : HasLiftT.{1, succ u1} a b] => self.0) Nat k (HasLiftT.mk.{1, succ u1} Nat k (CoeTCₓ.coe.{1, succ u1} Nat k (Nat.castCoe.{u1} k (AddMonoidWithOne.toNatCast.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))) (Finset.card.{u2} ι s)))
 but is expected to have type
-  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) (i : ι), Eq.{succ u2} k (Finset.centroidWeights.{u2, u1} k _inst_1 ι s i) (Inv.inv.{u2} k (DivisionRing.toInv.{u2} k _inst_1) (Nat.cast.{u2} k (NonAssocRing.toNatCast.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.card.{u1} ι s)))
+  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) (i : ι), Eq.{succ u2} k (Finset.centroidWeights.{u2, u1} k _inst_1 ι s i) (Inv.inv.{u2} k (DivisionRing.toInv.{u2} k _inst_1) (Nat.cast.{u2} k (Semiring.toNatCast.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))) (Finset.card.{u1} ι s)))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_weights_apply Finset.centroidWeights_applyₓ'. -/
 /-- `centroid_weights` at any point. -/
 @[simp]
@@ -1299,7 +1299,7 @@ theorem centroidWeights_apply (i : ι) : s.centroidWeights k i = (card s : k)⁻
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι), Eq.{max (succ u2) (succ u1)} (ι -> k) (Finset.centroidWeights.{u1, u2} k _inst_1 ι s) (Function.const.{succ u1, succ u2} k ι (Inv.inv.{u1} k (DivInvMonoid.toHasInv.{u1} k (DivisionRing.toDivInvMonoid.{u1} k _inst_1)) ((fun (a : Type) (b : Type.{u1}) [self : HasLiftT.{1, succ u1} a b] => self.0) Nat k (HasLiftT.mk.{1, succ u1} Nat k (CoeTCₓ.coe.{1, succ u1} Nat k (Nat.castCoe.{u1} k (AddMonoidWithOne.toNatCast.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))) (Finset.card.{u2} ι s))))
 but is expected to have type
-  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι), Eq.{max (succ u2) (succ u1)} (ι -> k) (Finset.centroidWeights.{u2, u1} k _inst_1 ι s) (Function.const.{succ u2, succ u1} k ι (Inv.inv.{u2} k (DivisionRing.toInv.{u2} k _inst_1) (Nat.cast.{u2} k (NonAssocRing.toNatCast.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.card.{u1} ι s))))
+  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι), Eq.{max (succ u2) (succ u1)} (ι -> k) (Finset.centroidWeights.{u2, u1} k _inst_1 ι s) (Function.const.{succ u2, succ u1} k ι (Inv.inv.{u2} k (DivisionRing.toInv.{u2} k _inst_1) (Nat.cast.{u2} k (Semiring.toNatCast.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))) (Finset.card.{u1} ι s))))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_weights_eq_const Finset.centroidWeights_eq_constₓ'. -/
 /-- `centroid_weights` equals a constant function. -/
 theorem centroidWeights_eq_const : s.centroidWeights k = Function.const ι (card s : k)⁻¹ :=
@@ -1312,7 +1312,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι), (Ne.{succ u1} k ((fun (a : Type) (b : Type.{u1}) [self : HasLiftT.{1, succ u1} a b] => self.0) Nat k (HasLiftT.mk.{1, succ u1} Nat k (CoeTCₓ.coe.{1, succ u1} Nat k (Nat.castCoe.{u1} k (AddMonoidWithOne.toNatCast.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))) (Finset.card.{u2} ι s)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u1, u2} k _inst_1 ι s i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall {k : Type.{u2}} [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι), (Ne.{succ u2} k (Nat.cast.{u2} k (NonAssocRing.toNatCast.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.card.{u1} ι s)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))))
+  forall {k : Type.{u2}} [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι), (Ne.{succ u2} k (Nat.cast.{u2} k (Semiring.toNatCast.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))) (Finset.card.{u1} ι s)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_eq_one_of_cast_card_ne_zero Finset.sum_centroidWeights_eq_one_of_cast_card_ne_zeroₓ'. -/
 /-- The weights in the centroid sum to 1, if the number of points,
 converted to `k`, is not zero. -/
@@ -1326,7 +1326,7 @@ variable (k)
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))], (Ne.{1} Nat (Finset.card.{u2} ι s) (OfNat.ofNat.{0} Nat 0 (OfNat.mk.{0} Nat 0 (Zero.zero.{0} Nat Nat.hasZero)))) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u1, u2} k _inst_1 ι s i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))], (Ne.{1} Nat (Finset.card.{u1} ι s) (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))))
+  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))], (Ne.{1} Nat (Finset.card.{u1} ι s) (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_eq_one_of_card_ne_zero Finset.sum_centroidWeights_eq_one_of_card_ne_zeroₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is not zero. -/
@@ -1338,7 +1338,7 @@ theorem sum_centroidWeights_eq_one_of_card_ne_zero [CharZero k] (h : card s ≠
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))], (Finset.Nonempty.{u2} ι s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u1, u2} k _inst_1 ι s i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))], (Finset.Nonempty.{u1} ι s) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))))
+  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))], (Finset.Nonempty.{u1} ι s) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_eq_one_of_nonempty Finset.sum_centroidWeights_eq_one_of_nonemptyₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the set is nonempty. -/
@@ -1351,7 +1351,7 @@ theorem sum_centroidWeights_eq_one_of_nonempty [CharZero k] (h : s.Nonempty) :
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))] {n : Nat}, (Eq.{1} Nat (Finset.card.{u2} ι s) (HAdd.hAdd.{0, 0, 0} Nat Nat Nat (instHAdd.{0} Nat Nat.hasAdd) n (OfNat.ofNat.{0} Nat 1 (OfNat.mk.{0} Nat 1 (One.one.{0} Nat Nat.hasOne))))) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u1, u2} k _inst_1 ι s i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))] {n : Nat}, (Eq.{1} Nat (Finset.card.{u1} ι s) (HAdd.hAdd.{0, 0, 0} Nat Nat Nat (instHAdd.{0} Nat instAddNat) n (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))))
+  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))] {n : Nat}, (Eq.{1} Nat (Finset.card.{u1} ι s) (HAdd.hAdd.{0, 0, 0} Nat Nat Nat (instHAdd.{0} Nat instAddNat) n (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) s (fun (i : ι) => Finset.centroidWeights.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_eq_one_of_card_eq_add_one Finset.sum_centroidWeights_eq_one_of_card_eq_add_oneₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is `n + 1`. -/
@@ -1412,7 +1412,7 @@ theorem centroid_singleton (p : ι → P) (i : ι) : ({i} : Finset ι).centroid
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : DecidableEq.{succ u4} ι] [_inst_6 : Invertible.{u1} k (Distrib.toHasMul.{u1} k (Ring.toDistrib.{u1} k (DivisionRing.toRing.{u1} k _inst_1))) (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 2 (OfNat.mk.{u1} k 2 (bit0.{u1} k (Distrib.toHasAdd.{u1} k (Ring.toDistrib.{u1} k (DivisionRing.toRing.{u1} k _inst_1))) (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))] (p : ι -> P) (i₁ : ι) (i₂ : ι), Eq.{succ u3} P (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.hasInsert.{u4} ι (fun (a : ι) (b : ι) => _inst_5 a b)) i₁ (Singleton.singleton.{u4, u4} ι (Finset.{u4} ι) (Finset.hasSingleton.{u4} ι) i₂)) p) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4)) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Inv.inv.{u1} k (DivInvMonoid.toHasInv.{u1} k (DivisionRing.toDivInvMonoid.{u1} k _inst_1)) (OfNat.ofNat.{u1} k 2 (OfNat.mk.{u1} k 2 (bit0.{u1} k (Distrib.toHasAdd.{u1} k (Ring.toDistrib.{u1} k (DivisionRing.toRing.{u1} k _inst_1))) (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4) (p i₂) (p i₁))) (p i₁))
 but is expected to have type
-  forall (k : Type.{u3}) {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : DecidableEq.{succ u4} ι] [_inst_6 : Invertible.{u3} k (NonUnitalNonAssocRing.toMul.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1)))) (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (OfNat.ofNat.{u3} k 2 (instOfNat.{u3} k 2 (NonAssocRing.toNatCast.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (instAtLeastTwoHAddNatInstHAddInstAddNatOfNat (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)))))] (p : ι -> P) (i₁ : ι) (i₂ : ι), Eq.{succ u2} P (Finset.centroid.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_5 a b)) i₁ (Singleton.singleton.{u4, u4} ι (Finset.{u4} ι) (Finset.instSingletonFinset.{u4} ι) i₂)) p) (HVAdd.hVAdd.{u1, u2, u2} V P P (instHVAdd.{u1, u2} V P (AddAction.toVAdd.{u1, u2} V P (SubNegMonoid.toAddMonoid.{u1} V (AddGroup.toSubNegMonoid.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (AddTorsor.toAddAction.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) _inst_4))) (HSMul.hSMul.{u3, u1, u1} k V V (instHSMul.{u3, u1} k V (SMulZeroClass.toSMul.{u3, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u1} k V (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u1} k V (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (Inv.inv.{u3} k (DivisionRing.toInv.{u3} k _inst_1) (OfNat.ofNat.{u3} k 2 (instOfNat.{u3} k 2 (NonAssocRing.toNatCast.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (instAtLeastTwoHAddNatInstHAddInstAddNatOfNat (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)))))) (VSub.vsub.{u1, u2} V P (AddTorsor.toVSub.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) _inst_4) (p i₂) (p i₁))) (p i₁))
+  forall (k : Type.{u3}) {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : DecidableEq.{succ u4} ι] [_inst_6 : Invertible.{u3} k (NonUnitalNonAssocRing.toMul.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1)))) (Semiring.toOne.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (OfNat.ofNat.{u3} k 2 (instOfNat.{u3} k 2 (Semiring.toNatCast.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (instAtLeastTwoHAddNatInstHAddInstAddNatOfNat (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)))))] (p : ι -> P) (i₁ : ι) (i₂ : ι), Eq.{succ u2} P (Finset.centroid.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Insert.insert.{u4, u4} ι (Finset.{u4} ι) (Finset.instInsertFinset.{u4} ι (fun (a : ι) (b : ι) => _inst_5 a b)) i₁ (Singleton.singleton.{u4, u4} ι (Finset.{u4} ι) (Finset.instSingletonFinset.{u4} ι) i₂)) p) (HVAdd.hVAdd.{u1, u2, u2} V P P (instHVAdd.{u1, u2} V P (AddAction.toVAdd.{u1, u2} V P (SubNegMonoid.toAddMonoid.{u1} V (AddGroup.toSubNegMonoid.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (AddTorsor.toAddAction.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) _inst_4))) (HSMul.hSMul.{u3, u1, u1} k V V (instHSMul.{u3, u1} k V (SMulZeroClass.toSMul.{u3, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u1} k V (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u1} k V (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (Inv.inv.{u3} k (DivisionRing.toInv.{u3} k _inst_1) (OfNat.ofNat.{u3} k 2 (instOfNat.{u3} k 2 (Semiring.toNatCast.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (instAtLeastTwoHAddNatInstHAddInstAddNatOfNat (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)))))) (VSub.vsub.{u1, u2} V P (AddTorsor.toVSub.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) _inst_4) (p i₂) (p i₁))) (p i₁))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_pair Finset.centroid_pairₓ'. -/
 /-- The centroid of two points, expressed directly as adding a vector
 to a point. -/
@@ -1436,7 +1436,7 @@ theorem centroid_pair [DecidableEq ι] [Invertible (2 : k)] (p : ι → P) (i₁
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] [_inst_5 : Invertible.{u1} k (Distrib.toHasMul.{u1} k (Ring.toDistrib.{u1} k (DivisionRing.toRing.{u1} k _inst_1))) (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 2 (OfNat.mk.{u1} k 2 (bit0.{u1} k (Distrib.toHasAdd.{u1} k (Ring.toDistrib.{u1} k (DivisionRing.toRing.{u1} k _inst_1))) (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))] (p : (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) -> P), Eq.{succ u3} P (Finset.centroid.{u1, u2, u3, 0} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (Finset.univ.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (Fin.fintype (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) p) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4)) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (Inv.inv.{u1} k (DivInvMonoid.toHasInv.{u1} k (DivisionRing.toDivInvMonoid.{u1} k _inst_1)) (OfNat.ofNat.{u1} k 2 (OfNat.mk.{u1} k 2 (bit0.{u1} k (Distrib.toHasAdd.{u1} k (Ring.toDistrib.{u1} k (DivisionRing.toRing.{u1} k _inst_1))) (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4) (p (OfNat.ofNat.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 1 (OfNat.mk.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 1 (One.one.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) (Fin.hasOneOfNeZero (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)) (CharZero.NeZero.two.{0} Nat (AddCommMonoidWithOne.toAddMonoidWithOne.{0} Nat (NonAssocSemiring.toAddCommMonoidWithOne.{0} Nat (Semiring.toNonAssocSemiring.{0} Nat Nat.semiring))) (StrictOrderedSemiring.to_charZero.{0} Nat Nat.strictOrderedSemiring))))))) (p (OfNat.ofNat.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 0 (OfNat.mk.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 0 (Zero.zero.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) (Fin.hasZeroOfNeZero (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)) (CharZero.NeZero.two.{0} Nat (AddCommMonoidWithOne.toAddMonoidWithOne.{0} Nat (NonAssocSemiring.toAddCommMonoidWithOne.{0} Nat (Semiring.toNonAssocSemiring.{0} Nat Nat.semiring))) (StrictOrderedSemiring.to_charZero.{0} Nat Nat.strictOrderedSemiring))))))))) (p (OfNat.ofNat.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 0 (OfNat.mk.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 0 (Zero.zero.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) (Fin.hasZeroOfNeZero (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)) (CharZero.NeZero.two.{0} Nat (AddCommMonoidWithOne.toAddMonoidWithOne.{0} Nat (NonAssocSemiring.toAddCommMonoidWithOne.{0} Nat (Semiring.toNonAssocSemiring.{0} Nat Nat.semiring))) (StrictOrderedSemiring.to_charZero.{0} Nat Nat.strictOrderedSemiring))))))))
 but is expected to have type
-  forall (k : Type.{u3}) {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] [_inst_5 : Invertible.{u3} k (NonUnitalNonAssocRing.toMul.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1)))) (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (OfNat.ofNat.{u3} k 2 (instOfNat.{u3} k 2 (NonAssocRing.toNatCast.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (instAtLeastTwoHAddNatInstHAddInstAddNatOfNat (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)))))] (p : (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) -> P), Eq.{succ u2} P (Finset.centroid.{u3, u1, u2, 0} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Finset.univ.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Fin.fintype (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) p) (HVAdd.hVAdd.{u1, u2, u2} V P P (instHVAdd.{u1, u2} V P (AddAction.toVAdd.{u1, u2} V P (SubNegMonoid.toAddMonoid.{u1} V (AddGroup.toSubNegMonoid.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (AddTorsor.toAddAction.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) _inst_4))) (HSMul.hSMul.{u3, u1, u1} k V V (instHSMul.{u3, u1} k V (SMulZeroClass.toSMul.{u3, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u1} k V (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u1} k V (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (Inv.inv.{u3} k (DivisionRing.toInv.{u3} k _inst_1) (OfNat.ofNat.{u3} k 2 (instOfNat.{u3} k 2 (NonAssocRing.toNatCast.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (instAtLeastTwoHAddNatInstHAddInstAddNatOfNat (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)))))) (VSub.vsub.{u1, u2} V P (AddTorsor.toVSub.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) _inst_4) (p (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 1 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 1 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))))) (p (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 0 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 0 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))))))) (p (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 0 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 0 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))))))
+  forall (k : Type.{u3}) {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] [_inst_5 : Invertible.{u3} k (NonUnitalNonAssocRing.toMul.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1)))) (Semiring.toOne.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (OfNat.ofNat.{u3} k 2 (instOfNat.{u3} k 2 (Semiring.toNatCast.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (instAtLeastTwoHAddNatInstHAddInstAddNatOfNat (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)))))] (p : (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) -> P), Eq.{succ u2} P (Finset.centroid.{u3, u1, u2, 0} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Finset.univ.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) (Fin.fintype (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)))) p) (HVAdd.hVAdd.{u1, u2, u2} V P P (instHVAdd.{u1, u2} V P (AddAction.toVAdd.{u1, u2} V P (SubNegMonoid.toAddMonoid.{u1} V (AddGroup.toSubNegMonoid.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (AddTorsor.toAddAction.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) _inst_4))) (HSMul.hSMul.{u3, u1, u1} k V V (instHSMul.{u3, u1} k V (SMulZeroClass.toSMul.{u3, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u3, u1} k V (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u1} k V (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (Inv.inv.{u3} k (DivisionRing.toInv.{u3} k _inst_1) (OfNat.ofNat.{u3} k 2 (instOfNat.{u3} k 2 (Semiring.toNatCast.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (instAtLeastTwoHAddNatInstHAddInstAddNatOfNat (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)))))) (VSub.vsub.{u1, u2} V P (AddTorsor.toVSub.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) _inst_4) (p (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 1 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 1 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))))) (p (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 0 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 0 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))))))) (p (OfNat.ofNat.{0} (Fin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2))) 0 (Fin.instOfNatFin (OfNat.ofNat.{0} Nat 2 (instOfNatNat 2)) 0 (NeZero.succ (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))))))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_pair_fin Finset.centroid_pair_finₓ'. -/
 /-- The centroid of two points indexed by `fin 2`, expressed directly
 as adding a vector to the first point. -/
@@ -1497,7 +1497,7 @@ theorem sum_centroidWeightsIndicator [Fintype ι] :
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))] [_inst_6 : Fintype.{u2} ι], (Ne.{1} Nat (Finset.card.{u2} ι s) (OfNat.ofNat.{0} Nat 0 (OfNat.mk.{0} Nat 0 (Zero.zero.{0} Nat Nat.hasZero)))) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Finset.univ.{u2} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u1, u2} k _inst_1 ι s i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))] [_inst_6 : Fintype.{u1} ι], (Ne.{1} Nat (Finset.card.{u1} ι s) (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (Finset.univ.{u1} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))))
+  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))] [_inst_6 : Fintype.{u1} ι], (Ne.{1} Nat (Finset.card.{u1} ι s) (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (Finset.univ.{u1} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_indicator_eq_one_of_card_ne_zero Finset.sum_centroidWeightsIndicator_eq_one_of_card_ne_zeroₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is not
@@ -1513,7 +1513,7 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_ne_zero [CharZero k] [Fintyp
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))] [_inst_6 : Fintype.{u2} ι], (Finset.Nonempty.{u2} ι s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Finset.univ.{u2} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u1, u2} k _inst_1 ι s i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))] [_inst_6 : Fintype.{u1} ι], (Finset.Nonempty.{u1} ι s) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (Finset.univ.{u1} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))))
+  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))] [_inst_6 : Fintype.{u1} ι], (Finset.Nonempty.{u1} ι s) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (Finset.univ.{u1} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_indicator_eq_one_of_nonempty Finset.sum_centroidWeightsIndicator_eq_one_of_nonemptyₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the set is nonempty. -/
@@ -1528,7 +1528,7 @@ theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : DivisionRing.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))] [_inst_6 : Fintype.{u2} ι] {n : Nat}, (Eq.{1} Nat (Finset.card.{u2} ι s) (HAdd.hAdd.{0, 0, 0} Nat Nat Nat (instHAdd.{0} Nat Nat.hasAdd) n (OfNat.ofNat.{0} Nat 1 (OfNat.mk.{0} Nat 1 (One.one.{0} Nat Nat.hasOne))))) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Finset.univ.{u2} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u1, u2} k _inst_1 ι s i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))] [_inst_6 : Fintype.{u1} ι] {n : Nat}, (Eq.{1} Nat (Finset.card.{u1} ι s) (HAdd.hAdd.{0, 0, 0} Nat Nat Nat (instHAdd.{0} Nat instAddNat) n (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (Finset.univ.{u1} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))))
+  forall (k : Type.{u2}) [_inst_1 : DivisionRing.{u2} k] {ι : Type.{u1}} (s : Finset.{u1} ι) [_inst_5 : CharZero.{u2} k (AddGroupWithOne.toAddMonoidWithOne.{u2} k (Ring.toAddGroupWithOne.{u2} k (DivisionRing.toRing.{u2} k _inst_1)))] [_inst_6 : Fintype.{u1} ι] {n : Nat}, (Eq.{1} Nat (Finset.card.{u1} ι s) (HAdd.hAdd.{0, 0, 0} Nat Nat Nat (instHAdd.{0} Nat instAddNat) n (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))) -> (Eq.{succ u2} k (Finset.sum.{u2, u1} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (Finset.univ.{u1} ι _inst_6) (fun (i : ι) => Finset.centroidWeightsIndicator.{u2, u1} k _inst_1 ι s i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_indicator_eq_one_of_card_eq_add_one Finset.sum_centroidWeightsIndicator_eq_one_of_card_eq_add_oneₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is `n + 1`. -/
@@ -1628,7 +1628,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (p : ι -> P), Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
@@ -1656,7 +1656,7 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (p : ι -> P), Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align affine_combination_mem_affine_span affineCombination_mem_affineSpanₓ'. -/
 /-- An `affine_combination` with sum of weights 1 is in the
 `affine_span` of an indexed family, if the underlying ring is
@@ -1689,7 +1689,7 @@ variable (k) {V}
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) v (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) (fun (h : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) => Eq.{succ u2} V v (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
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+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [_inst_4 : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.mem.{u3, u3} V (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) (SetLike.instMembership.{u3, u3} (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) V (Submodule.setLike.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3)) v (vectorSpan.{u2, u3, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) (fun (h : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) => Eq.{succ u3} V v (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (Semiring.toNonAssocSemiring.{u2} k (Ring.toSemiring.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
@@ -1741,7 +1741,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpanₓ'. -/
 /-- A point in the `affine_span` of an indexed family is an
 `affine_combination` with sum of weights 1. See also
@@ -1782,7 +1782,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (Semiring.toOne.{u2} k (Ring.toSemiring.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintypeₓ'. -/
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
@@ -1801,7 +1801,7 @@ variable (k V)
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] {p1 : P} {p : ι -> P}, Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {p1 : P} {p : ι -> P}, Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) => Eq.{succ u2} P p1 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {p1 : P} {p : ι -> P}, Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (Semiring.toOne.{u3} k (Ring.toSemiring.{u3} k _inst_1))))) => Eq.{succ u2} P p1 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombinationₓ'. -/
 /-- A point is in the `affine_span` of an indexed family if and only
 if it is an `affine_combination` with sum of weights 1, provided the
@@ -1820,7 +1820,7 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u3} P q (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] (p : ι -> P) (j : ι) (q : P), Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) q (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Eq.{succ u2} P q (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_4))) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (Semiring.toNonAssocSemiring.{u3} k (Ring.toSemiring.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p (p j)) w) (p j)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vaddₓ'. -/
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with
@@ -1890,7 +1890,7 @@ open Set Finset
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} (p : ι -> P), (Ne.{succ u1} k ((fun (a : Type) (b : Type.{u1}) [self : HasLiftT.{1, succ u1} a b] => self.0) Nat k (HasLiftT.mk.{1, succ u1} Nat k (CoeTCₓ.coe.{1, succ u1} Nat k (Nat.castCoe.{u1} k (AddMonoidWithOne.toNatCast.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))) (Finset.card.{u4} ι s)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))) -> (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} (p : ι -> P), (Ne.{succ u3} k (Nat.cast.{u3} k (NonAssocRing.toNatCast.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.card.{u4} ι s)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))))))) -> (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} (p : ι -> P), (Ne.{succ u3} k (Nat.cast.{u3} k (Semiring.toNatCast.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))) (Finset.card.{u4} ι s)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))))))) -> (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_cast_card_ne_zero centroid_mem_affineSpan_of_cast_card_ne_zeroₓ'. -/
 /-- The centroid lies in the affine span if the number of points,
 converted to `k`, is not zero. -/
@@ -1954,7 +1954,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u4 u2, max u4 u3, u2, u2} k (Prod.{max u4 u2, u2} (ι -> V) V) (Prod.{max u4 u3, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.addCommGroup.{max u4 u2, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u4 u2, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u2} ι k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) _inst_3) (Prod.addTorsor.{max u4 u2, max u4 u3, u2, u3} (ι -> V) (ι -> P) V P (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (Pi.addTorsor.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2) (fun (ᾰ : ι) => P) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
 but is expected to have type
-  forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u2 u4, max u3 u4, u2, u2} k (Prod.{max u2 u4, u2} (ι -> V) V) (Prod.{max u3 u4, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.instAddCommGroupSum.{max u2 u4, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u2 u4, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u2, u1} ι (fun (i : ι) => V) k (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (fun (i : ι) => _inst_3)) _inst_3) (Prod.instAddTorsorProdProdInstAddGroupSum.{u2, max u3 u4, u3, max u2 u4} V (ι -> P) P (ι -> V) (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (AffineMap.instAddTorsorForAllForAllAddGroupToAddGroup.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => P) (fun (ᾰ : ι) => _inst_2) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
+  forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (CommSemiring.toSemiring.{u1} k (CommRing.toCommSemiring.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u2 u4, max u3 u4, u2, u2} k (Prod.{max u2 u4, u2} (ι -> V) V) (Prod.{max u3 u4, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.instAddCommGroupSum.{max u2 u4, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u2 u4, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u2, u1} ι (fun (i : ι) => V) k (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (fun (i : ι) => _inst_3)) _inst_3) (Prod.instAddTorsorProdProdInstAddGroupSum.{u2, max u3 u4, u3, max u2 u4} V (ι -> P) P (ι -> V) (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (AffineMap.instAddTorsorForAllForAllAddGroupToAddGroup.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => P) (fun (ᾰ : ι) => _inst_2) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
 Case conversion may be inaccurate. Consider using '#align affine_map.weighted_vsub_of_point AffineMap.weightedVSubOfPointₓ'. -/
 -- TODO: define `affine_map.proj`, `affine_map.fst`, `affine_map.snd`
 /-- A weighted sum, as an affine map on the points involved. -/

mathlib commit https://github.com/leanprover-community/mathlib/commit/36b8aa61ea7c05727161f96a0532897bd72aedab

@@ -323,7 +323,7 @@ theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P) (b : P), Eq.{succ u2} V (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => 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(Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p b) 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 but is expected to have type
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -370,7 +370,7 @@ theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {
 lean 3 declaration is
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(Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) (SMul.smul.{u1, max u4 u1} k (ι -> k) (Function.hasSMul.{u4, u1, u1} ι k k (Mul.toSMul.{u1} k (Distrib.toHasMul.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) c w)) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
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(Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (b : P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2311 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2311 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun 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(SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
@@ -393,7 +393,7 @@ def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (Classical.choice.{succ u3} P (AddTorsor.nonempty.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p i) (Classical.choice.{succ u1} P (AddTorsor.Nonempty.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S)))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply Finset.weightedVSub_applyₓ'. -/
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
@@ -410,7 +410,7 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (b : P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k 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(Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 but is expected to have type
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(Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) 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k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
@@ -423,7 +423,7 @@ theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))))))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) (OfNat.ofNat.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) 0 (Zero.toOfNat0.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
@@ -437,7 +437,7 @@ theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) =
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u4} (Finset.{u4} ι) (Finset.hasEmptyc.{u4} ι)) p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι (EmptyCollection.emptyCollection.{u3} (Finset.{u3} ι) (Finset.instEmptyCollectionFinset.{u3} ι)) p) w) (OfNat.ofNat.{u4} V 0 (Zero.toOfNat0.{u4} V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_empty Finset.weightedVSub_emptyₓ'. -/
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
@@ -449,7 +449,7 @@ theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).wei
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun 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_inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i 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k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k 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_inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ u1) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u4, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
@@ -462,7 +462,7 @@ theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} 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(Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max 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(i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max 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(i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -475,7 +475,7 @@ theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ :
 lean 3 declaration is
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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι₂ -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u5 u2, u3} k k (ι₂ -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u5, u2} ι₂ (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
@@ -489,7 +489,7 @@ theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u2, u2, u2} V V V (instHSub.{u2} V (SubNegMonoid.toHasSub.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 but is expected to have type
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(Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
+  forall {k : Type.{u2}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u4} V (Finset.sum.{u4, u3} V ι (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u4, u4} k V V (instHSMul.{u2, u4} k V (SMulZeroClass.toSMul.{u2, u4} k V (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u4} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u4} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u4} V (SubNegZeroMonoid.toNegZeroClass.{u4} V (SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2))))) (Module.toMulActionWithZero.{u2, u4} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) (p₁ i) (p₂ i)))) (HSub.hSub.{u4, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegMonoid.toSub.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2)))) (FunLike.coe.{max (max (succ u4) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u4} (LinearMap.{u2, u2, max u2 u3, u4} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k 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_inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
@@ -502,7 +502,7 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
@@ -515,7 +515,7 @@ theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} V (SubNegMonoid.toHasNeg.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 0 (Zero.toOfNat0.{u4} k (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (Neg.neg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toNeg.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (FunLike.coe.{max (max (succ u2) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u2} (LinearMap.{u4, u4, max u4 u3, u2} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u4, u4, max u3 u4, u2} k k (ι -> k) V (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSub.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
@@ -528,7 +528,7 @@ theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P)
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (HAdd.hAdd.{u2, u2, u2} V V V (instHAdd.{u2} V (AddZeroClass.toHasAdd.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))))) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k 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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (HAdd.hAdd.{u3, u3, u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHAdd.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddZeroClass.toAdd.{u3} ((fun 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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
 theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
@@ -540,7 +540,7 @@ theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s)
 lean 3 declaration is
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 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
 theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -552,7 +552,7 @@ theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆
 lean 3 declaration is
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 but is expected to have type
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+  forall {k : Type.{u2}} {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : (Subtype.{succ u4} ι pred) -> k) => V) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) ((Subtype.{succ u4} ι pred) -> k) V (Pi.addCommMonoid.{u4, u2} (Subtype.{succ u4} ι pred) (fun 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(Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι 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(NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -566,7 +566,7 @@ theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) 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_inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k 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 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) 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_inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun 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(AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) 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=> (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun 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(AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
@@ -579,7 +579,7 @@ theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (SMul.smul.{u1, max u4 u1} k (ι -> k) (Function.hasSMul.{u4, u1, u1} ι k k (Mul.toSMul.{u1} k (Distrib.toHasMul.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) c w)) (SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) c (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3544 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3544 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun 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V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u4}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u4} V] [_inst_3 : Module.{u3, u4} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2)] [S : AddTorsor.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P) (c : k), Eq.{succ u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3534 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι 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(AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HSMul.hSMul.{u3, max u3 u2, max u3 u2} k (ι -> k) (ι -> k) (instHSMul.{u3, max u3 u2} k (ι -> k) (Pi.instSMul.{u2, u3, u3} ι k (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3534 : ι) => k) (fun (i : ι) => SMulZeroClass.toSMul.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (SMulWithZero.toSMulZeroClass.{u3, u3} k k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))) (MulZeroClass.toSMulWithZero.{u3} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))))))) c w)) (HSMul.hSMul.{u3, u4, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (instHSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SMulZeroClass.toSMul.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (NegZeroClass.toZero.{u4} ((fun 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(SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (MulActionWithZero.toSMulWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)) (NegZeroClass.toZero.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubNegZeroMonoid.toNegZeroClass.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionMonoid.toSubNegZeroMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (SubtractionCommMonoid.toSubtractionMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toDivisionAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))))) (Module.toMulActionWithZero.{u3, u4} k ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) _inst_3))))) c (FunLike.coe.{max (max (succ u4) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u4} (LinearMap.{u3, u3, max u3 u2, u4} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u4} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u4, u1, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
 theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
@@ -628,7 +628,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k 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 but is expected to have type
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(x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : 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+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u4}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u2)) (succ u1)) (succ u4), succ (max u3 u2), succ u4} (AffineMap.{u3, max u3 u2, max u3 u2, u1, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k 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AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u2)) (succ u3), max (succ u2) (succ u3), succ u1} (LinearMap.{u3, u3, max u3 u2, u1} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u2 u3, u1} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u2, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u2, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSubOfPoint.{u3, u1, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S))) w) (Classical.choice.{succ u4} P (AddTorsor.Nonempty.{u1, u4} V P (AddCommGroup.toAddGroup.{u1} V _inst_2) S)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
@@ -647,7 +647,7 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s (fun (_x : ι) => p)) w) p)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply_const Finset.affineCombination_apply_constₓ'. -/
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
@@ -660,7 +660,7 @@ theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (p₁ i) (p₂ i))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w₁ : ι -> k} {w₂ : ι -> k}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w₁ i) (w₂ i))) -> (forall {p₁ : ι -> P} {p₂ : ι -> P}, (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u2} P (p₁ i) (p₂ i))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w₁) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w₂)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_congr Finset.affineCombination_congrₓ'. -/
 /-- `affine_combination` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
@@ -673,7 +673,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (b : P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) 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(Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSubOfPoint.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 but is expected to have type
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k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι 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(SubNegMonoid.toAddMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddGroup.toSubNegMonoid.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2))) (AddTorsor.toAddAction.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddCommGroup.toAddGroup.{u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) _inst_2) S))) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u4), max (succ u3) (succ u4), succ u1} (LinearMap.{u4, u4, max u4 u3, u1} k k (Ring.toSemiring.{u4} k _inst_1) (Ring.toSemiring.{u4} k _inst_1) (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) (fun (i : ι) => 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+  forall {k : Type.{u4}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p : ι -> P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (forall (b : P), Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u1)) (succ u2), succ (max u4 u3), succ u2} (AffineMap.{u4, max u4 u3, max u4 u3, u1, u2} k (ι -> k) (ι -> 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(fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (HVAdd.hVAdd.{u1, u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P P (instHVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P (AddAction.toVAdd.{u1, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) P 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(Pi.addCommMonoid.{u3, u4} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.219 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) _inst_3 (RingHom.id.{u4} k (NonAssocRing.toNonAssocSemiring.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (Finset.weightedVSubOfPoint.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p b) w) b))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
@@ -687,7 +687,7 @@ theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι →
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u3} P (VAdd.vadd.{u2, u3} V P (AddAction.toHasVadd.{u2, u3} V P (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (AddTorsor.toAddAction.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => 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_inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u4 u1, max u4 u1, max u4 u1} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u4 u1} (ι -> k) (Pi.instAdd.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toHasAdd.{u1} k (Ring.toDistrib.{u1} k _inst_1)))) w₁ w₂))
 but is expected to have type
-  forall {k : Type.{u1}} {V : Type.{u3}} {P : Type.{u4}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u1, u3} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u4} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u2}} (s : Finset.{u2} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u4} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (HVAdd.hVAdd.{u3, u4, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (instHVAdd.{u3, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (AddAction.toVAdd.{u3, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (SubNegMonoid.toAddMonoid.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (AddGroup.toSubNegMonoid.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) (AddCommGroup.toAddGroup.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) _inst_2))) (AddTorsor.toAddAction.{u3, u4} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w₂) (AddCommGroup.toAddGroup.{u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w₁) _inst_2) S))) (FunLike.coe.{max (max (succ u3) (succ u2)) (succ u1), max (succ u2) (succ u1), succ u3} (LinearMap.{u1, u1, max u1 u2, u3} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (NonAssocRing.toNonAssocSemiring.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u1, u1, max u2 u1, u3} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3 (RingHom.id.{u1} k (NonAssocRing.toNonAssocSemiring.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (FunLike.coe.{max (max (succ (max u1 u2)) (succ u3)) (succ u4), succ (max u1 u2), succ u4} (AffineMap.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => 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(Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₂)) (FunLike.coe.{max (max (succ (max u1 u2)) (succ u3)) (succ u4), succ (max u1 u2), succ u4} (AffineMap.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k 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_inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u1 u2, max u1 u2, max u1 u2} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u1 u2} (ι -> k) (Pi.instAdd.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toAdd.{u1} k (NonUnitalNonAssocSemiring.toDistrib.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))) w₁ w₂))
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(RingHom.id.{u1} k (NonAssocRing.toNonAssocSemiring.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u1, u1, max u2 u1, u3} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3 (RingHom.id.{u1} k (NonAssocRing.toNonAssocSemiring.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) w₁) (FunLike.coe.{max (max (succ (max u1 u2)) (succ u3)) (succ u4), succ (max u1 u2), succ u4} (AffineMap.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => 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_inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u1, max u1 u2, max u1 u2, u3, u4} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u2, u1} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u1} k _inst_1)) (Pi.module.{u2, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u1, u2} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u3, u4, u2} k V P _inst_1 _inst_2 _inst_3 S ι s p) (HAdd.hAdd.{max u1 u2, max u1 u2, max u1 u2} (ι -> k) (ι -> k) (ι -> k) (instHAdd.{max u1 u2} (ι -> k) (Pi.instAdd.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => Distrib.toAdd.{u1} k (NonUnitalNonAssocSemiring.toDistrib.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))) w₁ w₂))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
@@ -699,7 +699,7 @@ theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w₁ : ι -> k) (w₂ : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k 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w₂))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
@@ -711,7 +711,7 @@ theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] [_inst_4 : DecidableEq.{succ u3} P] (s : Finset.{u3} P) (w : P -> k) (f : (coeSort.{succ u3, succ (succ u3)} (Finset.{u3} P) Type.{u3} (Finset.hasCoeToSort.{u3} P) s) -> P), (Function.Injective.{succ u3, succ u3} (coeSort.{succ u3, succ (succ u3)} (Finset.{u3} P) Type.{u3} (Finset.hasCoeToSort.{u3} P) s) P f) -> (Eq.{succ u3} P (coeFn.{max (succ (max u3 u1)) (succ u2) (succ u3), max (succ (max u3 u1)) (succ u3)} (AffineMap.{u1, max u3 u1, max u3 u1, u2, u3} k ((Subtype.{succ u3} P (fun (x : P) => Membership.Mem.{u3, u3} P (Finset.{u3} P) (Finset.hasMem.{u3} P) x s)) -> k) ((Subtype.{succ u3} P (fun (x : P) => Membership.Mem.{u3, u3} P (Finset.{u3} P) (Finset.hasMem.{u3} P) x s)) -> k) V P _inst_1 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 Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injectiveₓ'. -/
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
@@ -733,7 +733,7 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
 lean 3 declaration is
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(Finset.instMembershipFinset.{u3} P) x s)) => k) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s))) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u3} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) (Finset.attach.{u3} P s) (Subtype.val.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s))) (Function.comp.{succ u3, succ u3, succ u2} (Subtype.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)) P k w (Subtype.val.{succ u3} P (fun (x : P) => Membership.mem.{u3, u3} P (Finset.{u3} P) (Finset.instMembershipFinset.{u3} P) x s)))) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u1)) (succ u3), succ (max u2 u3), succ u3} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u3} k (P -> k) (P -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} P (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : P) => k) (fun (i : P) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} P (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : P) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : P) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : P) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 P) _inst_2 _inst_3 S) (P -> k) (fun (_x : P -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u3} k (P -> k) (P -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} P (fun (i : P) => k) (fun (i : P) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} P (fun (i : P) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : P) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : P) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 P) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u3} k V P _inst_1 _inst_2 _inst_3 S P s (id.{succ u3} P)) w)
 Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_coe Finset.attach_affineCombination_coeₓ'. -/
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
@@ -747,7 +747,7 @@ omit S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s w) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u3 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u3 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u3, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u3, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {w : ι -> k} {p : ι -> V}, (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s w) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (FunLike.coe.{max (max (succ u1) (succ u3)) (succ u2), max (succ u3) (succ u2), succ u1} (LinearMap.{u2, u2, max u2 u3, u1} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u1} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
@@ -761,7 +761,7 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u1} k (Finset.sum.{u1, u3} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (coeFn.{max (succ (max u3 u1)) (succ u2), max (succ (max u3 u1)) (succ u2)} (AffineMap.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (fun (_x : AffineMap.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) => (ι -> k) -> V) (AffineMap.hasCoeToFun.{u1, max u3 u1, max u3 u1, u2, u2} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u3, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u3, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))) (Finset.affineCombination.{u1, u2, u2, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)) ι s p) w) (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (p i))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) w) (FunLike.coe.{max (succ (max u2 u3)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (Finset.affineCombination.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
+  forall {k : Type.{u2}} {V : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (p : ι -> V) (w : ι -> k), (Eq.{succ u2} k (Finset.sum.{u2, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) w) (FunLike.coe.{max (succ (max u2 u3)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => V) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u1, u1} k (ι -> k) (ι -> k) V V _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2))) (Finset.affineCombination.{u2, u1, u1, u3} k V V _inst_1 _inst_2 _inst_3 (addGroupIsAddTorsor.{u1} V (AddCommGroup.toAddGroup.{u1} V _inst_2)) ι s p) w) (Finset.sum.{u1, u3} V ι (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u2, u1, u1} k V V (instHSMul.{u2, u1} k V (SMulZeroClass.toSMul.{u2, u1} k V (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u2, u1} k V (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u2, u1} k V (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)) (NegZeroClass.toZero.{u1} V (SubNegZeroMonoid.toNegZeroClass.{u1} V (SubtractionMonoid.toSubNegZeroMonoid.{u1} V (SubtractionCommMonoid.toSubtractionMonoid.{u1} V (AddCommGroup.toDivisionAddCommMonoid.{u1} V _inst_2))))) (Module.toMulActionWithZero.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2) _inst_3))))) (w i) (p i))))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, affine combinations are just linear
 combinations. -/
@@ -777,7 +777,7 @@ include S
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (i2 : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u1} k (w i2) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w i) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) -> (forall (i2 : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u3} k (w i2) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} k (w i) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) -> (forall (i2 : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i2 s) -> (Ne.{succ u4} ι i2 i) -> (Eq.{succ u3} k (w i2) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1))))))) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (p i))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zeroₓ'. -/
 /-- An `affine_combination` equals a point if that point is in the set
 and has weight 1 and the other points in the set have weight 0. -/
@@ -800,7 +800,7 @@ theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => 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(Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u1} ι k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) s₁) w)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (w : ι -> k) (p : ι -> P) {s₁ : Finset.{u4} ι} {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.instHasSubsetFinset.{u4} ι) s₁ s₂) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₁ p) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s₂ p) (Set.indicator.{u4, u2} ι k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1))) (Finset.toSet.{u4} ι s₁) w)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subsetₓ'. -/
 /-- An affine combination is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
@@ -815,7 +815,7 @@ theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (coeFn.{max (succ (max u5 u1)) (succ u2) (succ u3), max (succ (max u5 u1)) (succ u3)} (AffineMap.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι₂ -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u5 u1, max u5 u1, u2, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι₂) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι₂) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u5, u1, u1} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι₂) => k) (fun (i : ι₂) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (coeFn.{max 1 (succ u5) (succ u4), max (succ u5) (succ u4)} (Function.Embedding.{succ u5, succ u4} ι₂ ι) (fun (_x : Function.Embedding.{succ u5, succ u4} ι₂ ι) => ι₂ -> ι) (Function.Embedding.hasCoeToFun.{succ u5, succ u4} ι₂ ι) e))) (Function.comp.{succ u5, succ u4, succ u1} ι₂ ι k w (coeFn.{max 1 (succ u5) (succ u4), max (succ u5) (succ u4)} (Function.Embedding.{succ u5, succ u4} ι₂ ι) (fun (_x : Function.Embedding.{succ u5, succ u4} ι₂ ι) => ι₂ -> ι) (Function.Embedding.hasCoeToFun.{succ u5, succ u4} ι₂ ι) e)))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (FunLike.coe.{max (max (succ (max u2 u5)) (succ u1)) (succ u3), succ (max u2 u5), succ u3} (AffineMap.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι₂ -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) 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+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {ι₂ : Type.{u5}} (s₂ : Finset.{u5} ι₂) (e : Function.Embedding.{succ u5, succ u4} ι₂ ι) (w : ι -> k) (p : ι -> P), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.map.{u5, u4} ι₂ ι e s₂) p) w) (FunLike.coe.{max (max (succ (max u2 u5)) (succ u1)) (succ u3), succ (max u2 u5), succ u3} (AffineMap.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (ι₂ -> k) (fun (_x : ι₂ -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι₂ -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u5, max u2 u5, u1, u3} k (ι₂ -> k) (ι₂ -> k) V P _inst_1 (Pi.addCommGroup.{u5, u2} ι₂ (fun (i : ι₂) => k) (fun (i : ι₂) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u5, u2, u2} ι₂ (fun (i : ι₂) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι₂) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι₂) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u5} k _inst_1 ι₂) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u5} k V P _inst_1 _inst_2 _inst_3 S ι₂ s₂ (Function.comp.{succ u5, succ u4, succ u3} ι₂ ι P p (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e))) (Function.comp.{succ u5, succ u4, succ u2} ι₂ ι k w (FunLike.coe.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ (fun (_x : ι₂) => (fun (x._@.Mathlib.Data.FunLike.Embedding._hyg.19 : ι₂) => ι) _x) (EmbeddingLike.toFunLike.{max (succ u4) (succ u5), succ u5, succ u4} (Function.Embedding.{succ u5, succ u4} ι₂ ι) ι₂ ι (Function.instEmbeddingLikeEmbedding.{succ u5, succ u4} ι₂ ι)) e)))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_map Finset.affineCombination_mapₓ'. -/
 /-- An affine combination, over the image of an embedding, equals an
 affine combination with the same points and weights over the original
@@ -829,7 +829,7 @@ theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : ι -> P), Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V 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 but is expected to have type
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_inst_2) S) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u4, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
@@ -844,7 +844,7 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddTorsor.toVSub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₁ : ι -> P) (p₂ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p₁ i) p₂))) (VSub.vsub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddTorsor.toVSub.{u2, u1} V ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₁) w) p₂))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
@@ -857,7 +857,7 @@ theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u4} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => SMul.smul.{u1, u2} k V (SMulZeroClass.toHasSmul.{u1, u2} k V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (SMulWithZero.toSmulZeroClass.{u1, u2} k V (MulZeroClass.toHasZero.{u1} k (MulZeroOneClass.toMulZeroClass.{u1} k (MonoidWithZero.toMulZeroOneClass.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (MulActionWithZero.toSMulWithZero.{u1, u2} k V (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (AddCommMonoid.toAddMonoid.{u2} V (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)))) (Module.toMulActionWithZero.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)))) (w i) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 but is expected to have type
-  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) (w : ι -> k) (p₂ : ι -> P) (p₁ : P), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (Eq.{succ u2} V (Finset.sum.{u2, u3} V ι (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) s (fun (i : ι) => HSMul.hSMul.{u4, u2, u2} k V V (instHSMul.{u4, u2} k V (SMulZeroClass.toSMul.{u4, u2} k V (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (SMulWithZero.toSMulZeroClass.{u4, u2} k V (MonoidWithZero.toZero.{u4} k (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1))) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (MulActionWithZero.toSMulWithZero.{u4, u2} k V (Semiring.toMonoidWithZero.{u4} k (Ring.toSemiring.{u4} k _inst_1)) (NegZeroClass.toZero.{u2} V (SubNegZeroMonoid.toNegZeroClass.{u2} V (SubtractionMonoid.toSubNegZeroMonoid.{u2} V (SubtractionCommMonoid.toSubtractionMonoid.{u2} V (AddCommGroup.toDivisionAddCommMonoid.{u2} V _inst_2))))) (Module.toMulActionWithZero.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3))))) (w i) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (p₂ i)))) (VSub.vsub.{u2, u1} V P (AddTorsor.toVSub.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) p₁ (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p₂) w)))
 Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombinationₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
@@ -870,7 +870,7 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] {s₂ : Finset.{u4} ι}, (HasSubset.Subset.{u4} (Finset.{u4} ι) (Finset.hasSubset.{u4} ι) s₂ s) -> (forall (w : ι -> k) (p : ι -> P), Eq.{succ u2} V (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (SDiff.sdiff.{u4} (Finset.{u4} ι) (Finset.hasSdiff.{u4} ι (fun (a : ι) (b : ι) => _inst_4 a b)) s s₂) p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k 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 but is expected to have type
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(NonAssocRing.toNonAssocSemiring.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u1, u1, max u4 u1, u3} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u1, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u1} k _inst_1)) _inst_3 (RingHom.id.{u1} k (NonAssocRing.toNonAssocSemiring.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u3, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
@@ -885,7 +885,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) {w : ι -> k} {p : ι -> P}, (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w) (OfNat.ofNat.{u2} V 0 (OfNat.mk.{u2} V 0 (Zero.zero.{u2} V (AddZeroClass.toHasZero.{u2} V (AddMonoid.toAddZeroClass.{u2} V (SubNegMonoid.toAddMonoid.{u2} V (AddGroup.toSubNegMonoid.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2))))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i)], (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u1} k (w i) (Neg.neg.{u1} k (SubNegMonoid.toHasNeg.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι (fun (_x : ι) => Ne.{succ u4} ι _x i) (fun (a : ι) => _inst_4 a) s) p) w) (p i)))
 but is expected to have type
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(NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u4} V _inst_2) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u3 u2, u4} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u3, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k 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(SubtractionMonoid.toSubNegZeroMonoid.{u4} V (SubtractionCommMonoid.toSubtractionMonoid.{u4} V (AddCommGroup.toDivisionAddCommMonoid.{u4} V _inst_2)))))))) -> (forall {i : ι} [_inst_4 : DecidablePred.{succ u3} ι (fun (_x : ι) => Ne.{succ u3} ι _x i)], (Membership.mem.{u3, u3} ι (Finset.{u3} ι) (Finset.instMembershipFinset.{u3} ι) i s) -> (Eq.{succ u2} k (w i) (Neg.neg.{u2} k (Ring.toNeg.{u2} k _inst_1) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))))) -> (Eq.{succ u1} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u2 u3)) (succ u4)) (succ u1), succ (max u2 u3), succ u1} (AffineMap.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u3, max u2 u3, u4, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u3, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => 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 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
@@ -906,7 +906,7 @@ theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) 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_inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k 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(Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Subtype.{succ u4} ι pred) -> k) => P) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : Subtype.{succ u4} ι pred) => k) (fun (i : 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_inst_3 S (Subtype.{succ u4} ι pred) (Finset.subtype.{u4} ι pred (fun (a : ι) => _inst_4 a) s) (fun (i : Subtype.{succ u4} ι pred) => p (Subtype.val.{succ u4} ι pred i))) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) (pred : ι -> Prop) [_inst_4 : DecidablePred.{succ u4} ι pred], Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Subtype.{succ u4} ι pred) -> k) => P) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : Subtype.{succ u4} ι pred) => k) (fun (i : 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u2 u4, max u2 u4, u1, u3} k ((Subtype.{succ u4} ι pred) -> k) ((Subtype.{succ u4} ι pred) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) (fun (i : Subtype.{succ u4} ι pred) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} (Subtype.{succ u4} ι pred) (fun (i : Subtype.{succ u4} ι pred) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : Subtype.{succ u4} ι pred) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : Subtype.{succ u4} ι pred) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 (Subtype.{succ u4} ι pred)) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S (Subtype.{succ u4} ι pred) (Finset.subtype.{u4} ι pred (fun (a : ι) => _inst_4 a) s) (fun (i : Subtype.{succ u4} ι pred) => p (Subtype.val.{succ u4} ι pred i))) (fun (i : Subtype.{succ u4} ι pred) => w (Subtype.val.{succ u4} ι pred i))) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w)
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filterₓ'. -/
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
@@ -921,7 +921,7 @@ theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Ne.{succ u1} k (w i) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (pred i)) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (w : ι -> k) (p : ι -> P) {pred : ι -> Prop} [_inst_4 : DecidablePred.{succ u4} ι pred], (forall (i : ι), (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Ne.{succ u3} k (w i) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (pred i)) -> (Eq.{succ u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι (Finset.filter.{u4} ι pred (fun (a : ι) => _inst_4 a) s) p) w) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) w))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_filter_of_ne Finset.affineCombination_filter_of_neₓ'. -/
 /-- An affine combination over `s.filter pred` equals one over `s` if all the weights at indices
 in `s` not satisfying `pred` are zero. -/
@@ -972,7 +972,7 @@ variable (k)
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {s : Set.{u4} ι} {p : ι -> P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (CoeTCₓ.coe.{succ u4, succ u4} (Finset.{u4} ι) (Set.{u4} ι) (Finset.Set.hasCoeT.{u4} ι))) fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.hasSubset.{u4} ι) ((fun (a : Type.{u4}) (b : Type.{u4}) [self : HasLiftT.{succ u4, succ u4} a b] => self.0) (Finset.{u4} ι) (Set.{u4} ι) (HasLiftT.mk.{succ u4, succ u4} (Finset.{u4} ι) 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ι) (Set.instMembershipSet.{u4} ι) x s) i))) w)))))
 Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
@@ -994,7 +994,7 @@ variable (V)
 lean 3 declaration is
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 but is expected to have type
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(Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι fs p) w)))))) (Exists.{succ u4} (Finset.{u4} (Set.Elem.{u4} ι s)) (fun (fs : Finset.{u4} (Set.Elem.{u4} ι s)) => Exists.{max (succ u3) (succ u4)} ((Set.Elem.{u4} ι s) -> k) (fun (w : (Set.Elem.{u4} ι s) -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k (Set.Elem.{u4} ι s) (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : Set.Elem.{u4} ι s) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (fun (hw 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(Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) ((Set.Elem.{u4} ι s) -> k) (fun (_x : (Set.Elem.{u4} ι s) -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Set.Elem.{u4} ι s) -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k ((Set.Elem.{u4} ι s) -> k) ((Set.Elem.{u4} ι s) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) (fun (i : Set.Elem.{u4} ι s) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, 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+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p0 : P} {s : Set.{u4} ι} {p : ι -> P}, Iff (Exists.{succ u4} (Finset.{u4} ι) (fun (fs : Finset.{u4} ι) => Exists.{0} (HasSubset.Subset.{u4} (Set.{u4} ι) (Set.instHasSubsetSet.{u4} ι) (Finset.toSet.{u4} ι fs) s) (fun (hfs : HasSubset.Subset.{u4} (Set.{u4} ι) (Set.instHasSubsetSet.{u4} ι) (Finset.toSet.{u4} ι fs) s) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) => Eq.{succ u2} P p0 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => 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(Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S ι fs p) w)))))) (Exists.{succ u4} (Finset.{u4} (Set.Elem.{u4} ι s)) (fun (fs : Finset.{u4} (Set.Elem.{u4} ι s)) => Exists.{max (succ u3) (succ u4)} ((Set.Elem.{u4} ι s) -> k) (fun (w : (Set.Elem.{u4} ι s) -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k (Set.Elem.{u4} ι s) (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : Set.Elem.{u4} ι s) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k (Set.Elem.{u4} ι s) (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) fs (fun (i : Set.Elem.{u4} ι s) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) => Eq.{succ u2} P p0 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k ((Set.Elem.{u4} ι s) -> k) ((Set.Elem.{u4} ι s) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} (Set.Elem.{u4} ι s) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : Set.Elem.{u4} ι s) => k) (fun (i : Set.Elem.{u4} ι s) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} (Set.Elem.{u4} ι s) (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : Set.Elem.{u4} ι s) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) ((Set.Elem.{u4} ι s) -> k) (fun (_x : (Set.Elem.{u4} ι s) -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : (Set.Elem.{u4} ι s) -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k ((Set.Elem.{u4} ι s) -> k) ((Set.Elem.{u4} ι s) -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) (fun (i : Set.Elem.{u4} ι s) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} (Set.Elem.{u4} ι s) (fun (i : Set.Elem.{u4} ι s) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : Set.Elem.{u4} ι s) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : Set.Elem.{u4} ι s) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 (Set.Elem.{u4} ι s)) _inst_2 _inst_3 S) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 S (Set.Elem.{u4} ι s) fs (fun (i : Set.Elem.{u4} ι s) => p (Subtype.val.{succ u4} ι (fun (x : ι) => Membership.mem.{u4, u4} ι (Set.{u4} ι) (Set.instMembershipSet.{u4} ι) x s) i))) w)))))
 Case conversion may be inaccurate. Consider using '#align finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A point can be expressed as an
@@ -1020,7 +1020,7 @@ variable {k V}
 lean 3 declaration is
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+  forall {k : Type.{u4}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u4} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u4, u2} k V (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u3}} (s : Finset.{u3} ι) {V₂ : Type.{u6}} {P₂ : Type.{u5}} [_inst_4 : AddCommGroup.{u6} V₂] [_inst_5 : Module.{u4, u6} k V₂ (Ring.toSemiring.{u4} k _inst_1) (AddCommGroup.toAddCommMonoid.{u6} V₂ _inst_4)] [_inst_6 : AddTorsor.{u6, u5} V₂ P₂ (AddCommGroup.toAddGroup.{u6} V₂ _inst_4)] (p : ι -> P) (w : ι -> k), (Eq.{succ u4} k (Finset.sum.{u4, u3} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) s w) (OfNat.ofNat.{u4} k 1 (One.toOfNat1.{u4} k (NonAssocRing.toOne.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1))))) -> (forall (f : AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6), Eq.{succ u5} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (a : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) a) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w)) (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f (FunLike.coe.{max (max (succ (max u4 u3)) (succ u2)) (succ u1), succ (max u4 u3), succ u1} (AffineMap.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u2, u1} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u4, u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S ι s p) w)) (FunLike.coe.{max (max (succ (max u4 u3)) (succ u6)) (succ u5), succ (max u4 u3), succ u5} (AffineMap.{u4, max u4 u3, max u4 u3, u6, u5} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P₂) _x) (AffineMap.funLike.{u4, max u4 u3, max u4 u3, u6, u5} k (ι -> k) (ι -> k) V₂ P₂ _inst_1 (Pi.addCommGroup.{u3, u4} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u4} k _inst_1)) (Pi.module.{u3, u4, u4} ι (fun (i : ι) => k) k (Ring.toSemiring.{u4} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u4} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u4} k (NonAssocRing.toNonUnitalNonAssocRing.{u4} k (Ring.toNonAssocRing.{u4} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u4} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u4, u3} k _inst_1 ι) _inst_4 _inst_5 _inst_6) (Finset.affineCombination.{u4, u6, u5, u3} k V₂ P₂ _inst_1 _inst_4 _inst_5 _inst_6 ι s (Function.comp.{succ u3, succ u1, succ u5} ι P P₂ (FunLike.coe.{max (max (max (succ u2) (succ u1)) (succ u6)) (succ u5), succ u1, succ u5} (AffineMap.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) P (fun (_x : P) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : P) => P₂) _x) (AffineMap.funLike.{u4, u2, u1, u6, u5} k V P V₂ P₂ _inst_1 _inst_2 _inst_3 S _inst_4 _inst_5 _inst_6) f) p)) w))
 Case conversion may be inaccurate. Consider using '#align finset.map_affine_combination Finset.map_affineCombinationₓ'. -/
 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
@@ -1094,7 +1094,7 @@ def weightedVSubVSubWeights [DecidableEq ι] (i j : ι) : ι → k :=
 lean 3 declaration is
   forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{max (succ u2) (succ u1)} (ι -> k) (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{max u2 u1} (ι -> k) 0 (OfNat.mk.{max u2 u1} (ι -> k) 0 (Zero.zero.{max u2 u1} (ι -> k) (Pi.instZero.{u2, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))
 but is expected to have type
-  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{max (succ u1) (succ u2)} (ι -> k) (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{max u1 u2} (ι -> k) 0 (Zero.toOfNat0.{max u1 u2} (ι -> k) (Pi.instZero.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.7190 : ι) => k) (fun (i : ι) => MonoidWithZero.toZero.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{max (succ u1) (succ u2)} (ι -> k) (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{max u1 u2} (ι -> k) 0 (Zero.toOfNat0.{max u1 u2} (ι -> k) (Pi.instZero.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.7166 : ι) => k) (fun (i : ι) => MonoidWithZero.toZero.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vsub_weights_self Finset.weightedVSubVSubWeights_selfₓ'. -/
 @[simp]
 theorem weightedVSubVSubWeights_self [DecidableEq ι] (i : ι) : weightedVSubVSubWeights k i i = 0 :=
@@ -1219,7 +1219,7 @@ variable (k)
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Eq.{succ u3} P (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
+  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationSingleWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i)) (p i))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeightsₓ'. -/
 /-- An affine combination with `affine_combination_single_weights` gives the specified point. -/
 @[simp]
@@ -1235,7 +1235,7 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [S : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) i s) -> (Membership.Mem.{u4, u4} ι (Finset.{u4} ι) (Finset.hasMem.{u4} ι) j s) -> (Eq.{succ u2} V (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u2, u3} V P (AddTorsor.toHasVsub.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2) S) (p i) (p j)))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [S : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (Eq.{succ u3} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.weightedVSubVSubWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (VSub.vsub.{u3, u1} V P (AddTorsor.toVSub.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2) S) (p i) (p j)))
 Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeightsₓ'. -/
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
@@ -1253,7 +1253,7 @@ variable {k}
 lean 3 declaration is
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_inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 S) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u1, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (coeFn.{max (succ u1) (succ u2) (succ u3), max (succ u1) (succ 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(NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1)) (addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (forall (c : k), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ u2) (succ u1)) (succ u3), succ u2, succ u3} (AffineMap.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : k) => P) _x) (AffineMap.funLike.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [S : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_4 : DecidableEq.{succ u4} ι] (p : ι -> P) {i : ι} {j : ι}, (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) i s) -> (Membership.mem.{u4, u4} ι (Finset.{u4} ι) (Finset.instMembershipFinset.{u4} ι) j s) -> (forall (c : k), Eq.{succ u3} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 S) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 S ι s p) (Finset.affineCombinationLineMapWeights.{u2, u4} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c)) (FunLike.coe.{max (max (succ u2) (succ u1)) (succ u3), succ u2, succ u3} (AffineMap.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) k (fun (_x : k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : k) => P) _x) (AffineMap.funLike.{u2, u2, u2, u1, u3} k k k V P _inst_1 (Ring.toAddCommGroup.{u2} k _inst_1) (AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1) (addGroupIsAddTorsor.{u2} k (AddGroupWithOne.toAddGroup.{u2} k (Ring.toAddGroupWithOne.{u2} k _inst_1))) _inst_2 _inst_3 S) (AffineMap.lineMap.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 S (p i) (p j)) c))
 Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_line_map_weights Finset.affineCombination_affineCombinationLineMapWeightsₓ'. -/
 /-- An affine combination with `affine_combination_line_map_weights` gives the result of
 `line_map`. -/
@@ -1375,7 +1375,7 @@ def centroid (p : ι → P) : P :=
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u1, u4} k _inst_1 ι s))
 but is expected to have type
-  forall (k : Type.{u3}) {V : Type.{u2}} {P : Type.{u4}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u4} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (p : ι -> P), Eq.{succ u4} P (Finset.centroid.{u3, u2, u4, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u3 u1)) (succ u2)) (succ u4), succ (max u3 u1), succ u4} (AffineMap.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u2, u4, u1} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u3, u1} k _inst_1 ι s))
+  forall (k : Type.{u3}) {V : Type.{u2}} {P : Type.{u4}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u4} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u1}} (s : Finset.{u1} ι) (p : ι -> P), Eq.{succ u4} P (Finset.centroid.{u3, u2, u4, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u3 u1)) (succ u2)) (succ u4), succ (max u3 u1), succ u4} (AffineMap.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u1, max u3 u1, u2, u4} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u3} k _inst_1) (Pi.addCommGroup.{u1, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Pi.module.{u1, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k (DivisionRing.toRing.{u3} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u1} k (DivisionRing.toRing.{u3} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u2, u4, u1} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 ι s p) (Finset.centroidWeights.{u3, u1} k _inst_1 ι s))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_def Finset.centroid_defₓ'. -/
 /-- The definition of the centroid. -/
 theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (s.centroidWeights k) :=
@@ -1545,7 +1545,7 @@ include V
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u1} k _inst_1) (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u1, u4} k _inst_1 ι s))
 but is expected to have type
-  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P (DivisionRing.toRing.{u2} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u2, u4} k _inst_1 ι s))
+  forall (k : Type.{u2}) {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (DivisionSemiring.toSemiring.{u2} k (DivisionRing.toDivisionSemiring.{u2} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} (s : Finset.{u4} ι) [_inst_5 : Fintype.{u4} ι] (p : ι -> P), Eq.{succ u3} P (Finset.centroid.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P (DivisionRing.toRing.{u2} k _inst_1) (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k (DivisionRing.toRing.{u2} k _inst_1)) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k (DivisionRing.toRing.{u2} k _inst_1))) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k (DivisionRing.toRing.{u2} k _inst_1) ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P (DivisionRing.toRing.{u2} k _inst_1) _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) (Finset.centroidWeightsIndicator.{u2, u4} k _inst_1 ι s))
 Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintypeₓ'. -/
 /-- The centroid as an affine combination over a `fintype`. -/
 theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
@@ -1628,7 +1628,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) -> (forall (p : ι -> P), Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2400 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u2}} {P : Type.{u1}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u1} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (Ring.toSemiring.{u3} k _inst_1)))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) w) (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.instMembership.{u2, u2} (Submodule.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u3, u2} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) (FunLike.coe.{max (max (succ u2) (succ u4)) (succ u3), max (succ u4) (succ u3), succ u2} (LinearMap.{u3, u3, max u3 u4, u2} k k (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u3, u3, max u4 u3, u2} k k (ι -> k) V (Ring.toSemiring.{u3} k _inst_1) (Ring.toSemiring.{u3} k _inst_1) (Pi.addCommMonoid.{u4, u3} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) _inst_3 (RingHom.id.{u3} k (NonAssocRing.toNonAssocSemiring.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (Finset.weightedVSub.{u3, u2, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (vectorSpan.{u3, u2, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
@@ -1656,7 +1656,7 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) -> (forall (p : ι -> P), Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
 but is expected to have type
-  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {s : Finset.{u4} ι} {w : ι -> k}, (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) -> (forall (p : ι -> P), Membership.mem.{u2, u2} ((fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) w) (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w) (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
 Case conversion may be inaccurate. Consider using '#align affine_combination_mem_affine_span affineCombination_mem_affineSpanₓ'. -/
 /-- An `affine_combination` with sum of weights 1 is in the
 `affine_span` of an indexed family, if the underlying ring is
@@ -1689,7 +1689,7 @@ variable (k) {V}
 lean 3 declaration is
   forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.Mem.{u2, u2} V (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) (SetLike.hasMem.{u2, u2} (Submodule.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) V (Submodule.setLike.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3)) v (vectorSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) (fun (h : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))))) => Eq.{succ u2} V v (coeFn.{max (succ (max u4 u1)) (succ u2), max (succ (max u4 u1)) (succ u2)} (LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) (fun (_x : LinearMap.{u1, u1, max u4 u1, u2} k k (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3) => (ι -> k) -> V) (LinearMap.hasCoeToFun.{u1, u1, max u4 u1, u2} k k (ι -> k) V (Ring.toSemiring.{u1} k _inst_1) (Ring.toSemiring.{u1} k _inst_1) (Pi.addCommMonoid.{u4, u1} ι (fun (ᾰ : ι) => k) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u1} ι k k (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) _inst_3 (RingHom.id.{u1} k (Semiring.toNonAssocSemiring.{u1} k (Ring.toSemiring.{u1} k _inst_1)))) (Finset.weightedVSub.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
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+  forall (k : Type.{u2}) {V : Type.{u3}} {P : Type.{u1}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u3} V] [_inst_3 : Module.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2)] [_inst_4 : AddTorsor.{u3, u1} V P (AddCommGroup.toAddGroup.{u3} V _inst_2)] {ι : Type.{u4}} {v : V} {p : ι -> P}, Iff (Membership.mem.{u3, u3} V (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) (SetLike.instMembership.{u3, u3} (Submodule.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3) V (Submodule.setLike.{u2, u3} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) _inst_3)) v (vectorSpan.{u2, u3, u1} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u1, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) (fun (h : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 0 (Zero.toOfNat0.{u2} k (MonoidWithZero.toZero.{u2} k (Semiring.toMonoidWithZero.{u2} k (Ring.toSemiring.{u2} k _inst_1)))))) => Eq.{succ u3} V v (FunLike.coe.{max (max (succ u3) (succ u4)) (succ u2), max (succ u4) (succ u2), succ u3} (LinearMap.{u2, u2, max u2 u4, u3} k k (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))) (ι -> k) V (Pi.addCommMonoid.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3) (ι -> k) (fun (_x : ι -> k) => (fun (x._@.Mathlib.Algebra.Module.LinearMap._hyg.6190 : ι -> k) => V) _x) (LinearMap.instFunLikeLinearMap.{u2, u2, max u4 u2, u3} k k (ι -> k) V (Ring.toSemiring.{u2} k _inst_1) (Ring.toSemiring.{u2} k _inst_1) (Pi.addCommMonoid.{u4, u2} ι (fun (ᾰ : ι) => k) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (AddCommGroup.toAddCommMonoid.{u3} V _inst_2) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.2390 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) _inst_3 (RingHom.id.{u2} k (NonAssocRing.toNonAssocSemiring.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.weightedVSub.{u2, u3, u1, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
@@ -1741,7 +1741,7 @@ variable {k}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpanₓ'. -/
 /-- A point in the `affine_span` of an indexed family is an
 `affine_combination` with sum of weights 1. See also
@@ -1782,7 +1782,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
 but is expected to have type
-  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
+  forall {k : Type.{u2}} {V : Type.{u1}} {P : Type.{u3}} [_inst_1 : Ring.{u2} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u2, u1} k V (Ring.toSemiring.{u2} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u3} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Fintype.{u4} ι] {p1 : P} {p : ι -> P}, (Membership.mem.{u3, u3} P (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u3, u3} (AffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u2, u1, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) -> (Exists.{max (succ u2) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) (fun (hw : Eq.{succ u2} k (Finset.sum.{u2, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (Finset.univ.{u4} ι _inst_5) (fun (i : ι) => w i)) (OfNat.ofNat.{u2} k 1 (One.toOfNat1.{u2} k (NonAssocRing.toOne.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1))))) => Eq.{succ u3} P p1 (FunLike.coe.{max (max (succ (max u2 u4)) (succ u1)) (succ u3), succ (max u2 u4), succ u3} (AffineMap.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u2, max u2 u4, max u2 u4, u1, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u2} k _inst_1)) (Pi.module.{u4, u2, u2} ι (fun (i : ι) => k) k (Ring.toSemiring.{u2} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u2} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u2} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u2, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u2, u1, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι (Finset.univ.{u4} ι _inst_5) p) w))))
 Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintypeₓ'. -/
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
@@ -1801,7 +1801,7 @@ variable (k V)
 lean 3 declaration is
   forall (k : Type.{u1}) (V : Type.{u2}) {P : Type.{u3}} [_inst_1 : Ring.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k _inst_1) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u1} k] {p1 : P} {p : ι -> P}, Iff (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u4) (succ u1)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) (fun (hw : Eq.{succ u1} k (Finset.sum.{u1, u4} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))) => Eq.{succ u3} P p1 (coeFn.{max (succ (max u4 u1)) (succ u2) (succ u3), max (succ (max u4 u1)) (succ u3)} (AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (fun (_x : AffineMap.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) => (ι -> k) -> P) (AffineMap.hasCoeToFun.{u1, max u4 u1, max u4 u1, u2, u3} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u1} ι (fun (i : ι) => k) (fun (i : ι) => NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (Pi.module.{u4, u1, u1} ι (fun (i : ι) => k) k (Ring.toSemiring.{u1} k _inst_1) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) (fun (i : ι) => Semiring.toModule.{u1} k (Ring.toSemiring.{u1} k _inst_1))) (Pi.addTorsor.{u4, u1, u1} ι (fun (i : ι) => k) (fun (i : ι) => AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))) (fun (ᾰ : ι) => k) (fun (i : ι) => addGroupIsAddTorsor.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 but is expected to have type
-  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {p1 : P} {p : ι -> P}, Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) => Eq.{succ u2} P p1 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3609 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
+  forall (k : Type.{u3}) (V : Type.{u1}) {P : Type.{u2}} [_inst_1 : Ring.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (Ring.toSemiring.{u3} k _inst_1) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} [_inst_5 : Nontrivial.{u3} k] {p1 : P} {p : ι -> P}, Iff (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4)) p1 (affineSpan.{u3, u1, u2} k V P _inst_1 _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p))) (Exists.{succ u4} (Finset.{u4} ι) (fun (s : Finset.{u4} ι) => Exists.{max (succ u3) (succ u4)} (ι -> k) (fun (w : ι -> k) => Exists.{0} (Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) (fun (hw : Eq.{succ u3} k (Finset.sum.{u3, u4} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) s (fun (i : ι) => w i)) (OfNat.ofNat.{u3} k 1 (One.toOfNat1.{u3} k (NonAssocRing.toOne.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1))))) => Eq.{succ u2} P p1 (FunLike.coe.{max (max (succ (max u3 u4)) (succ u1)) (succ u2), succ (max u3 u4), succ u2} (AffineMap.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.3599 : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (ι -> k) (fun (_x : ι -> k) => (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.AffineMap._hyg.1004 : ι -> k) => P) _x) (AffineMap.funLike.{u3, max u3 u4, max u3 u4, u1, u2} k (ι -> k) (ι -> k) V P _inst_1 (Pi.addCommGroup.{u4, u3} ι (fun (i : ι) => k) (fun (i : ι) => Ring.toAddCommGroup.{u3} k _inst_1)) (Pi.module.{u4, u3, u3} ι (fun (i : ι) => k) k (Ring.toSemiring.{u3} k _inst_1) (fun (i : ι) => NonUnitalNonAssocSemiring.toAddCommMonoid.{u3} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u3} k (NonAssocRing.toNonUnitalNonAssocRing.{u3} k (Ring.toNonAssocRing.{u3} k _inst_1)))) (fun (i : ι) => AffineMap.instModuleToSemiringToAddCommMonoidToNonUnitalNonAssocSemiringToNonUnitalNonAssocRingToNonUnitalRing.{u3} k _inst_1)) (Finset.instAddTorsorForAllAddGroupToAddGroupToAddGroupWithOne.{u3, u4} k _inst_1 ι) _inst_2 _inst_3 _inst_4) (Finset.affineCombination.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) w)))))
 Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombinationₓ'. -/
 /-- A point is in the `affine_span` of an indexed family if and only
 if it is an `affine_combination` with sum of weights 1, provided the

mathlib commit https://github.com/leanprover-community/mathlib/commit/347636a7a80595d55bedf6e6fbd996a3c39da69a

@@ -1954,7 +1954,7 @@ include V
 lean 3 declaration is
   forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u4 u2, max u4 u3, u2, u2} k (Prod.{max u4 u2, u2} (ι -> V) V) (Prod.{max u4 u3, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.addCommGroup.{max u4 u2, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u4 u2, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u2} ι k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) _inst_3) (Prod.addTorsor.{max u4 u2, max u4 u3, u2, u3} (ι -> V) (ι -> P) V P (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (Pi.addTorsor.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2) (fun (ᾰ : ι) => P) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
 but is expected to have type
-  forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u2 u4, max u3 u4, u2, u2} k (Prod.{max u2 u4, u2} (ι -> V) V) (Prod.{max u3 u4, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.instAddCommGroupSum.{max u2 u4, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u2 u4, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u2, u1} ι (fun (i : ι) => V) k (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (fun (i : ι) => _inst_3)) _inst_3) (Prod.instAddTorsorProdProdInstAddGroupSum.{max u2 u4, max u3 u4, u2, u3} (ι -> V) (ι -> P) V P (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (AffineMap.instAddTorsorForAllForAllAddGroupToAddGroup.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => P) (fun (ᾰ : ι) => _inst_2) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
+  forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u2 u4, max u3 u4, u2, u2} k (Prod.{max u2 u4, u2} (ι -> V) V) (Prod.{max u3 u4, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.instAddCommGroupSum.{max u2 u4, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u2 u4, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u2, u1} ι (fun (i : ι) => V) k (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (fun (i : ι) => _inst_3)) _inst_3) (Prod.instAddTorsorProdProdInstAddGroupSum.{u2, max u3 u4, u3, max u2 u4} V (ι -> P) P (ι -> V) (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (AffineMap.instAddTorsorForAllForAllAddGroupToAddGroup.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => P) (fun (ᾰ : ι) => _inst_2) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
 Case conversion may be inaccurate. Consider using '#align affine_map.weighted_vsub_of_point AffineMap.weightedVSubOfPointₓ'. -/
 -- TODO: define `affine_map.proj`, `affine_map.fst`, `affine_map.snd`
 /-- A weighted sum, as an affine map on the points involved. -/

mathlib commit https://github.com/leanprover-community/mathlib/commit/284fdd2962e67d2932fa3a79ce19fcf92d38e228

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
 
 ! This file was ported from Lean 3 source module linear_algebra.affine_space.combination
-! leanprover-community/mathlib commit 2de9c37fa71dde2f1c6feff19876dd6a7b1519f0
+! leanprover-community/mathlib commit 19cb3751e5e9b3d97adb51023949c50c13b5fdfd
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -20,6 +20,9 @@ import Mathbin.Tactic.FinCases
 /-!
 # Affine combinations of points
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 This file defines affine combinations of points.
 
 ## Main definitions

mathlib commit https://github.com/leanprover-community/mathlib/commit/5ec62c8106221a3f9160e4e4fcc3eed79fe213e9

@@ -53,6 +53,12 @@ open BigOperators Affine
 
 namespace Finset
 
+/- warning: finset.univ_fin2 -> Finset.univ_fin2 is a dubious translation:
+lean 3 declaration is
+  Eq.{1} (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (Finset.univ.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (Fin.fintype (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (Insert.insert.{0, 0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (Finset.hasInsert.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (fun (a : Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (b : Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) => Fin.decidableEq (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))) a b)) (OfNat.ofNat.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 0 (OfNat.mk.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 0 (Zero.zero.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) (Fin.hasZeroOfNeZero (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)) (CharZero.NeZero.two.{0} Nat (AddCommMonoidWithOne.toAddMonoidWithOne.{0} Nat (NonAssocSemiring.toAddCommMonoidWithOne.{0} Nat (Semiring.toNonAssocSemiring.{0} Nat Nat.semiring))) (StrictOrderedSemiring.to_charZero.{0} Nat Nat.strictOrderedSemiring)))))) (Singleton.singleton.{0, 0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))))) (Finset.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (Finset.hasSingleton.{0} (Fin (OfNat.ofNat.{0} Nat 2 (OfNat.mk.{0} Nat 2 (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)))))) (OfNat.ofNat.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 1 (OfNat.mk.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) 1 (One.one.{0} (Fin (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne))) (Fin.hasOneOfNeZero (bit0.{0} Nat Nat.hasAdd (One.one.{0} Nat Nat.hasOne)) (CharZero.NeZero.two.{0} Nat (AddCommMonoidWithOne.toAddMonoidWithOne.{0} Nat (NonAssocSemiring.toAddCommMonoidWithOne.{0} Nat (Semiring.toNonAssocSemiring.{0} Nat Nat.semiring))) (StrictOrderedSemiring.to_charZero.{0} Nat Nat.strictOrderedSemiring))))))))
+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.univ_fin2 Finset.univ_fin2ₓ'. -/
 theorem univ_fin2 : (univ : Finset (Fin 2)) = {0, 1} :=
   by
   ext x
@@ -69,58 +75,90 @@ variable {ι : Type _} (s : Finset ι)
 
 variable {ι₂ : Type _} (s₂ : Finset ι₂)
 
+#print Finset.weightedVSubOfPoint /-
 /-- A weighted sum of the results of subtracting a base point from the
 given points, as a linear map on the weights.  The main cases of
 interest are where the sum of the weights is 0, in which case the sum
 is independent of the choice of base point, and where the sum of the
 weights is 1, in which case the sum added to the base point is
 independent of the choice of base point. -/
-def weightedVsubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
+def weightedVSubOfPoint (p : ι → P) (b : P) : (ι → k) →ₗ[k] V :=
   ∑ i in s, (LinearMap.proj i : (ι → k) →ₗ[k] k).smul_right (p i -ᵥ b)
-#align finset.weighted_vsub_of_point Finset.weightedVsubOfPoint
+#align finset.weighted_vsub_of_point Finset.weightedVSubOfPoint
+-/
 
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_applyₓ'. -/
 @[simp]
-theorem weightedVsubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
-    s.weightedVsubOfPoint p b w = ∑ i in s, w i • (p i -ᵥ b) := by
+theorem weightedVSubOfPoint_apply (w : ι → k) (p : ι → P) (b : P) :
+    s.weightedVSubOfPoint p b w = ∑ i in s, w i • (p i -ᵥ b) := by
   simp [weighted_vsub_of_point, LinearMap.sum_apply]
-#align finset.weighted_vsub_of_point_apply Finset.weightedVsubOfPoint_apply
-
+#align finset.weighted_vsub_of_point_apply Finset.weightedVSubOfPoint_apply
+
+/- warning: finset.weighted_vsub_of_point_apply_const -> Finset.weightedVSubOfPoint_apply_const is a dubious translation:
+lean 3 declaration is
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_constₓ'. -/
 /-- The value of `weighted_vsub_of_point`, where the given points are equal. -/
 @[simp]
-theorem weightedVsubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
-    s.weightedVsubOfPoint (fun _ => p) b w = (∑ i in s, w i) • (p -ᵥ b) := by
+theorem weightedVSubOfPoint_apply_const (w : ι → k) (p : P) (b : P) :
+    s.weightedVSubOfPoint (fun _ => p) b w = (∑ i in s, w i) • (p -ᵥ b) := by
   rw [weighted_vsub_of_point_apply, sum_smul]
-#align finset.weighted_vsub_of_point_apply_const Finset.weightedVsubOfPoint_apply_const
-
+#align finset.weighted_vsub_of_point_apply_const Finset.weightedVSubOfPoint_apply_const
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congrₓ'. -/
 /-- `weighted_vsub_of_point` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
-theorem weightedVsubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
+theorem weightedVSubOfPoint_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
     (hp : ∀ i ∈ s, p₁ i = p₂ i) (b : P) :
-    s.weightedVsubOfPoint p₁ b w₁ = s.weightedVsubOfPoint p₂ b w₂ :=
+    s.weightedVSubOfPoint p₁ b w₁ = s.weightedVSubOfPoint p₂ b w₂ :=
   by
   simp_rw [weighted_vsub_of_point_apply]
   convert sum_congr rfl fun i hi => _
   rw [hw i hi, hp i hi]
-#align finset.weighted_vsub_of_point_congr Finset.weightedVsubOfPoint_congr
-
+#align finset.weighted_vsub_of_point_congr Finset.weightedVSubOfPoint_congr
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eqₓ'. -/
 /-- Given a family of points, if we use a member of the family as a base point, the
 `weighted_vsub_of_point` does not depend on the value of the weights at this point. -/
-theorem weightedVsubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂ : ι → k)
+theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂ : ι → k)
     (hw : ∀ i, i ≠ j → w₁ i = w₂ i) :
-    s.weightedVsubOfPoint p (p j) w₁ = s.weightedVsubOfPoint p (p j) w₂ :=
+    s.weightedVSubOfPoint p (p j) w₁ = s.weightedVSubOfPoint p (p j) w₂ :=
   by
-  simp only [Finset.weightedVsubOfPoint_apply]
+  simp only [Finset.weightedVSubOfPoint_apply]
   congr
   ext i
   cases' eq_or_ne i j with h h
   · simp [h]
   · simp [hw i h]
-#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVsubOfPoint_eq_of_weights_eq
-
+#align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eq
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zeroₓ'. -/
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
-theorem weightedVsubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 0)
-    (b₁ b₂ : P) : s.weightedVsubOfPoint p b₁ w = s.weightedVsubOfPoint p b₂ w :=
+theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 0)
+    (b₁ b₂ : P) : s.weightedVSubOfPoint p b₁ w = s.weightedVSubOfPoint p b₂ w :=
   by
   apply eq_of_sub_eq_zero
   rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply, ← sum_sub_distrib]
@@ -130,12 +168,18 @@ theorem weightedVsubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
     ext
     rw [← smul_sub, vsub_sub_vsub_cancel_left]
   rw [← sum_smul, h, zero_smul]
-#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVsubOfPoint_eq_of_sum_eq_zero
-
+#align finset.weighted_vsub_of_point_eq_of_sum_eq_zero Finset.weightedVSubOfPoint_eq_of_sum_eq_zero
+
+/- warning: finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one -> Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_one is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_oneₓ'. -/
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
-theorem weightedVsubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 1)
-    (b₁ b₂ : P) : s.weightedVsubOfPoint p b₁ w +ᵥ b₁ = s.weightedVsubOfPoint p b₂ w +ᵥ b₂ :=
+theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 1)
+    (b₁ b₂ : P) : s.weightedVSubOfPoint p b₁ w +ᵥ b₁ = s.weightedVSubOfPoint p b₂ w +ᵥ b₂ :=
   by
   erw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply, ← @vsub_eq_zero_iff_eq V,
     vadd_vsub_assoc, vsub_vadd_eq_vsub_sub, ← add_sub_assoc, add_comm, add_sub_assoc, ←
@@ -148,236 +192,406 @@ theorem weightedVsubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P)
     ext
     rw [← smul_sub, vsub_sub_vsub_cancel_left]
   rw [← sum_smul, h, one_smul, vsub_add_vsub_cancel, vsub_self]
-#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVsubOfPoint_vadd_eq_of_sum_eq_one
-
+#align finset.weighted_vsub_of_point_vadd_eq_of_sum_eq_one Finset.weightedVSubOfPoint_vadd_eq_of_sum_eq_one
+
+/- warning: finset.weighted_vsub_of_point_erase -> Finset.weightedVSubOfPoint_erase is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_eraseₓ'. -/
 /-- The weighted sum is unaffected by removing the base point, if
 present, from the set of points. -/
 @[simp]
-theorem weightedVsubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P) (i : ι) :
-    (s.eraseₓ i).weightedVsubOfPoint p (p i) w = s.weightedVsubOfPoint p (p i) w :=
+theorem weightedVSubOfPoint_erase [DecidableEq ι] (w : ι → k) (p : ι → P) (i : ι) :
+    (s.eraseₓ i).weightedVSubOfPoint p (p i) w = s.weightedVSubOfPoint p (p i) w :=
   by
   rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply]
   apply sum_erase
   rw [vsub_self, smul_zero]
-#align finset.weighted_vsub_of_point_erase Finset.weightedVsubOfPoint_erase
-
+#align finset.weighted_vsub_of_point_erase Finset.weightedVSubOfPoint_erase
+
+/- warning: finset.weighted_vsub_of_point_insert -> Finset.weightedVSubOfPoint_insert is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insertₓ'. -/
 /-- The weighted sum is unaffected by adding the base point, whether
 or not present, to the set of points. -/
 @[simp]
-theorem weightedVsubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P) (i : ι) :
-    (insert i s).weightedVsubOfPoint p (p i) w = s.weightedVsubOfPoint p (p i) w :=
+theorem weightedVSubOfPoint_insert [DecidableEq ι] (w : ι → k) (p : ι → P) (i : ι) :
+    (insert i s).weightedVSubOfPoint p (p i) w = s.weightedVSubOfPoint p (p i) w :=
   by
   rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply]
   apply sum_insert_zero
   rw [vsub_self, smul_zero]
-#align finset.weighted_vsub_of_point_insert Finset.weightedVsubOfPoint_insert
-
+#align finset.weighted_vsub_of_point_insert Finset.weightedVSubOfPoint_insert
+
+/- warning: finset.weighted_vsub_of_point_indicator_subset -> Finset.weightedVSubOfPoint_indicator_subset is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
-theorem weightedVsubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b : P) {s₁ s₂ : Finset ι}
+theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b : P) {s₁ s₂ : Finset ι}
     (h : s₁ ⊆ s₂) :
-    s₁.weightedVsubOfPoint p b w = s₂.weightedVsubOfPoint p b (Set.indicator (↑s₁) w) :=
+    s₁.weightedVSubOfPoint p b w = s₂.weightedVSubOfPoint p b (Set.indicator (↑s₁) w) :=
   by
   rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply]
   exact
     Set.sum_indicator_subset_of_eq_zero w (fun i wi => wi • (p i -ᵥ b : V)) h fun i => zero_smul k _
-#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVsubOfPoint_indicator_subset
-
+#align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subset
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_mapₓ'. -/
 /-- A weighted sum, over the image of an embedding, equals a weighted
 sum with the same points and weights over the original
 `finset`. -/
-theorem weightedVsubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) (b : P) :
-    (s₂.map e).weightedVsubOfPoint p b w = s₂.weightedVsubOfPoint (p ∘ e) b (w ∘ e) :=
+theorem weightedVSubOfPoint_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) (b : P) :
+    (s₂.map e).weightedVSubOfPoint p b w = s₂.weightedVSubOfPoint (p ∘ e) b (w ∘ e) :=
   by
   simp_rw [weighted_vsub_of_point_apply]
   exact Finset.sum_map _ _ _
-#align finset.weighted_vsub_of_point_map Finset.weightedVsubOfPoint_map
-
+#align finset.weighted_vsub_of_point_map Finset.weightedVSubOfPoint_map
+
+/- warning: finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub -> Finset.sum_smul_vsub_eq_weightedVSubOfPoint_sub is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two
 `weighted_vsub_of_point` expressions. -/
-theorem sum_smul_vsub_eq_weightedVsubOfPoint_sub (w : ι → k) (p₁ p₂ : ι → P) (b : P) :
+theorem sum_smul_vsub_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ p₂ : ι → P) (b : P) :
     (∑ i in s, w i • (p₁ i -ᵥ p₂ i)) =
-      s.weightedVsubOfPoint p₁ b w - s.weightedVsubOfPoint p₂ b w :=
+      s.weightedVSubOfPoint p₁ b w - s.weightedVSubOfPoint p₂ b w :=
   by
   simp_rw [weighted_vsub_of_point_apply, ← sum_sub_distrib, ← smul_sub, vsub_sub_vsub_cancel_right]
-#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVsubOfPoint_sub
-
+#align finset.sum_smul_vsub_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_eq_weightedVSubOfPoint_sub
+
+/- warning: finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub -> Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub is a dubious translation:
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(NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u2} k (NonAssocRing.toNonUnitalNonAssocRing.{u2} k (Ring.toNonAssocRing.{u2} k _inst_1)))) s (fun (i : ι) => w i)) (VSub.vsub.{u4, u1} V P (AddTorsor.toVSub.{u4, u1} V P (AddCommGroup.toAddGroup.{u4} V _inst_2) S) p₂ b)))
+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
-theorem sum_smul_vsub_const_eq_weightedVsubOfPoint_sub (w : ι → k) (p₁ : ι → P) (p₂ b : P) :
-    (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.weightedVsubOfPoint p₁ b w - (∑ i in s, w i) • (p₂ -ᵥ b) :=
+theorem sum_smul_vsub_const_eq_weightedVSubOfPoint_sub (w : ι → k) (p₁ : ι → P) (p₂ b : P) :
+    (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.weightedVSubOfPoint p₁ b w - (∑ i in s, w i) • (p₂ -ᵥ b) :=
   by rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
-#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVsubOfPoint_sub
-
+#align finset.sum_smul_vsub_const_eq_weighted_vsub_of_point_sub Finset.sum_smul_vsub_const_eq_weightedVSubOfPoint_sub
+
+/- warning: finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point -> Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPointₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant,
 expressed as a subtraction involving a `weighted_vsub_of_point` expression. -/
-theorem sum_smul_const_vsub_eq_sub_weightedVsubOfPoint (w : ι → k) (p₂ : ι → P) (p₁ b : P) :
-    (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = (∑ i in s, w i) • (p₁ -ᵥ b) - s.weightedVsubOfPoint p₂ b w :=
+theorem sum_smul_const_vsub_eq_sub_weightedVSubOfPoint (w : ι → k) (p₂ : ι → P) (p₁ b : P) :
+    (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = (∑ i in s, w i) • (p₁ -ᵥ b) - s.weightedVSubOfPoint p₂ b w :=
   by rw [sum_smul_vsub_eq_weighted_vsub_of_point_sub, weighted_vsub_of_point_apply_const]
-#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVsubOfPoint
-
+#align finset.sum_smul_const_vsub_eq_sub_weighted_vsub_of_point Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint
+
+/- warning: finset.weighted_vsub_of_point_sdiff -> Finset.weightedVSubOfPoint_sdiff is a dubious translation:
+lean 3 declaration is
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
-theorem weightedVsubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
+theorem weightedVSubOfPoint_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) (b : P) :
-    (s \ s₂).weightedVsubOfPoint p b w + s₂.weightedVsubOfPoint p b w =
-      s.weightedVsubOfPoint p b w :=
+    (s \ s₂).weightedVSubOfPoint p b w + s₂.weightedVSubOfPoint p b w =
+      s.weightedVSubOfPoint p b w :=
   by simp_rw [weighted_vsub_of_point_apply, sum_sdiff h]
-#align finset.weighted_vsub_of_point_sdiff Finset.weightedVsubOfPoint_sdiff
-
+#align finset.weighted_vsub_of_point_sdiff Finset.weightedVSubOfPoint_sdiff
+
+/- warning: finset.weighted_vsub_of_point_sdiff_sub -> Finset.weightedVSubOfPoint_sdiff_sub is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
-theorem weightedVsubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
+theorem weightedVSubOfPoint_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) (b : P) :
-    (s \ s₂).weightedVsubOfPoint p b w - s₂.weightedVsubOfPoint p b (-w) =
-      s.weightedVsubOfPoint p b w :=
+    (s \ s₂).weightedVSubOfPoint p b w - s₂.weightedVSubOfPoint p b (-w) =
+      s.weightedVSubOfPoint p b w :=
   by rw [map_neg, sub_neg_eq_add, s.weighted_vsub_of_point_sdiff h]
-#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVsubOfPoint_sdiff_sub
-
+#align finset.weighted_vsub_of_point_sdiff_sub Finset.weightedVSubOfPoint_sdiff_sub
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
-theorem weightedVsubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
+theorem weightedVSubOfPoint_subtype_eq_filter (w : ι → k) (p : ι → P) (b : P) (pred : ι → Prop)
     [DecidablePred pred] :
-    ((s.Subtype pred).weightedVsubOfPoint (fun i => p i) b fun i => w i) =
-      (s.filterₓ pred).weightedVsubOfPoint p b w :=
+    ((s.Subtype pred).weightedVSubOfPoint (fun i => p i) b fun i => w i) =
+      (s.filterₓ pred).weightedVSubOfPoint p b w :=
   by rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply, ← sum_subtype_eq_sum_filter]
-#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVsubOfPoint_subtype_eq_filter
-
+#align finset.weighted_vsub_of_point_subtype_eq_filter Finset.weightedVSubOfPoint_subtype_eq_filter
+
+/- warning: finset.weighted_vsub_of_point_filter_of_ne -> Finset.weightedVSubOfPoint_filter_of_ne is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
-theorem weightedVsubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {pred : ι → Prop}
+theorem weightedVSubOfPoint_filter_of_ne (w : ι → k) (p : ι → P) (b : P) {pred : ι → Prop}
     [DecidablePred pred] (h : ∀ i ∈ s, w i ≠ 0 → pred i) :
-    (s.filterₓ pred).weightedVsubOfPoint p b w = s.weightedVsubOfPoint p b w :=
+    (s.filterₓ pred).weightedVSubOfPoint p b w = s.weightedVSubOfPoint p b w :=
   by
   rw [weighted_vsub_of_point_apply, weighted_vsub_of_point_apply, sum_filter_of_ne]
   intro i hi hne
   refine' h i hi _
   intro hw
   simpa [hw] using hne
-#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVsubOfPoint_filter_of_ne
-
+#align finset.weighted_vsub_of_point_filter_of_ne Finset.weightedVSubOfPoint_filter_of_ne
+
+/- warning: finset.weighted_vsub_of_point_const_smul -> Finset.weightedVSubOfPoint_const_smul is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of_point` may be moved outside the
 sum. -/
-theorem weightedVsubOfPoint_const_smul (w : ι → k) (p : ι → P) (b : P) (c : k) :
-    s.weightedVsubOfPoint p b (c • w) = c • s.weightedVsubOfPoint p b w := by
+theorem weightedVSubOfPoint_const_smul (w : ι → k) (p : ι → P) (b : P) (c : k) :
+    s.weightedVSubOfPoint p b (c • w) = c • s.weightedVSubOfPoint p b w := by
   simp_rw [weighted_vsub_of_point_apply, smul_sum, Pi.smul_apply, smul_smul, smul_eq_mul]
-#align finset.weighted_vsub_of_point_const_smul Finset.weightedVsubOfPoint_const_smul
+#align finset.weighted_vsub_of_point_const_smul Finset.weightedVSubOfPoint_const_smul
 
+#print Finset.weightedVSub /-
 /-- A weighted sum of the results of subtracting a default base point
 from the given points, as a linear map on the weights.  This is
 intended to be used when the sum of the weights is 0; that condition
 is specified as a hypothesis on those lemmas that require it. -/
-def weightedVsub (p : ι → P) : (ι → k) →ₗ[k] V :=
-  s.weightedVsubOfPoint p (Classical.choice S.Nonempty)
-#align finset.weighted_vsub Finset.weightedVsub
+def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
+  s.weightedVSubOfPoint p (Classical.choice S.Nonempty)
+#align finset.weighted_vsub Finset.weightedVSub
+-/
 
+/- warning: finset.weighted_vsub_apply -> Finset.weightedVSub_apply is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply Finset.weightedVSub_applyₓ'. -/
 /-- Applying `weighted_vsub` with given weights.  This is for the case
 where a result involving a default base point is OK (for example, when
 that base point will cancel out later); a more typical use case for
 `weighted_vsub` would involve selecting a preferred base point with
 `weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero` and then
 using `weighted_vsub_of_point_apply`. -/
-theorem weightedVsub_apply (w : ι → k) (p : ι → P) :
-    s.weightedVsub p w = ∑ i in s, w i • (p i -ᵥ Classical.choice S.Nonempty) := by
+theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
+    s.weightedVSub p w = ∑ i in s, w i • (p i -ᵥ Classical.choice S.Nonempty) := by
   simp [weighted_vsub, LinearMap.sum_apply]
-#align finset.weighted_vsub_apply Finset.weightedVsub_apply
-
+#align finset.weighted_vsub_apply Finset.weightedVSub_apply
+
+/- warning: finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero -> Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zeroₓ'. -/
 /-- `weighted_vsub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
-theorem weightedVsub_eq_weightedVsubOfPoint_of_sum_eq_zero (w : ι → k) (p : ι → P)
-    (h : (∑ i in s, w i) = 0) (b : P) : s.weightedVsub p w = s.weightedVsubOfPoint p b w :=
-  s.weightedVsubOfPoint_eq_of_sum_eq_zero w p h _ _
-#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVsub_eq_weightedVsubOfPoint_of_sum_eq_zero
-
+theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : ι → P)
+    (h : (∑ i in s, w i) = 0) (b : P) : s.weightedVSub p w = s.weightedVSubOfPoint p b w :=
+  s.weightedVSubOfPoint_eq_of_sum_eq_zero w p h _ _
+#align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_constₓ'. -/
 /-- The value of `weighted_vsub`, where the given points are equal and the sum of the weights
 is 0. -/
 @[simp]
-theorem weightedVsub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 0) :
-    s.weightedVsub (fun _ => p) w = 0 := by
+theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 0) :
+    s.weightedVSub (fun _ => p) w = 0 := by
   rw [weighted_vsub, weighted_vsub_of_point_apply_const, h, zero_smul]
-#align finset.weighted_vsub_apply_const Finset.weightedVsub_apply_const
-
+#align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_const
+
+/- warning: finset.weighted_vsub_empty -> Finset.weightedVSub_empty is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_empty Finset.weightedVSub_emptyₓ'. -/
 /-- The `weighted_vsub` for an empty set is 0. -/
 @[simp]
-theorem weightedVsub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).weightedVsub p w = (0 : V) := by
+theorem weightedVSub_empty (w : ι → k) (p : ι → P) : (∅ : Finset ι).weightedVSub p w = (0 : V) := by
   simp [weighted_vsub_apply]
-#align finset.weighted_vsub_empty Finset.weightedVsub_empty
-
+#align finset.weighted_vsub_empty Finset.weightedVSub_empty
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_congr Finset.weightedVSub_congrₓ'. -/
 /-- `weighted_vsub` gives equal results for two families of weights and two families of points
 that are equal on `s`. -/
-theorem weightedVsub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
-    (hp : ∀ i ∈ s, p₁ i = p₂ i) : s.weightedVsub p₁ w₁ = s.weightedVsub p₂ w₂ :=
-  s.weightedVsubOfPoint_congr hw hp _
-#align finset.weighted_vsub_congr Finset.weightedVsub_congr
-
+theorem weightedVSub_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
+    (hp : ∀ i ∈ s, p₁ i = p₂ i) : s.weightedVSub p₁ w₁ = s.weightedVSub p₂ w₂ :=
+  s.weightedVSubOfPoint_congr hw hp _
+#align finset.weighted_vsub_congr Finset.weightedVSub_congr
+
+/- warning: finset.weighted_vsub_indicator_subset -> Finset.weightedVSub_indicator_subset is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subsetₓ'. -/
 /-- The weighted sum is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
-theorem weightedVsub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ : Finset ι} (h : s₁ ⊆ s₂) :
-    s₁.weightedVsub p w = s₂.weightedVsub p (Set.indicator (↑s₁) w) :=
-  weightedVsubOfPoint_indicator_subset _ _ _ h
-#align finset.weighted_vsub_indicator_subset Finset.weightedVsub_indicator_subset
-
+theorem weightedVSub_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ : Finset ι} (h : s₁ ⊆ s₂) :
+    s₁.weightedVSub p w = s₂.weightedVSub p (Set.indicator (↑s₁) w) :=
+  weightedVSubOfPoint_indicator_subset _ _ _ h
+#align finset.weighted_vsub_indicator_subset Finset.weightedVSub_indicator_subset
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_map Finset.weightedVSub_mapₓ'. -/
 /-- A weighted subtraction, over the image of an embedding, equals a
 weighted subtraction with the same points and weights over the
 original `finset`. -/
-theorem weightedVsub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
-    (s₂.map e).weightedVsub p w = s₂.weightedVsub (p ∘ e) (w ∘ e) :=
-  s₂.weightedVsubOfPoint_map _ _ _ _
-#align finset.weighted_vsub_map Finset.weightedVsub_map
-
+theorem weightedVSub_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
+    (s₂.map e).weightedVSub p w = s₂.weightedVSub (p ∘ e) (w ∘ e) :=
+  s₂.weightedVSubOfPoint_map _ _ _ _
+#align finset.weighted_vsub_map Finset.weightedVSub_map
+
+/- warning: finset.sum_smul_vsub_eq_weighted_vsub_sub -> Finset.sum_smul_vsub_eq_weightedVSub_sub is a dubious translation:
+lean 3 declaration is
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_subₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `weighted_vsub`
 expressions. -/
-theorem sum_smul_vsub_eq_weightedVsub_sub (w : ι → k) (p₁ p₂ : ι → P) :
-    (∑ i in s, w i • (p₁ i -ᵥ p₂ i)) = s.weightedVsub p₁ w - s.weightedVsub p₂ w :=
-  s.sum_smul_vsub_eq_weightedVsubOfPoint_sub _ _ _ _
-#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVsub_sub
-
+theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P) :
+    (∑ i in s, w i • (p₁ i -ᵥ p₂ i)) = s.weightedVSub p₁ w - s.weightedVSub p₂ w :=
+  s.sum_smul_vsub_eq_weightedVSubOfPoint_sub _ _ _ _
+#align finset.sum_smul_vsub_eq_weighted_vsub_sub Finset.sum_smul_vsub_eq_weightedVSub_sub
+
+/- warning: finset.sum_smul_vsub_const_eq_weighted_vsub -> Finset.sum_smul_vsub_const_eq_weightedVSub is a dubious translation:
+lean 3 declaration is
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+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
-theorem sum_smul_vsub_const_eq_weightedVsub (w : ι → k) (p₁ : ι → P) (p₂ : P)
-    (h : (∑ i in s, w i) = 0) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.weightedVsub p₁ w := by
+theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p₂ : P)
+    (h : (∑ i in s, w i) = 0) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.weightedVSub p₁ w := by
   rw [sum_smul_vsub_eq_weighted_vsub_sub, s.weighted_vsub_apply_const _ _ h, sub_zero]
-#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVsub
-
+#align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSub
+
+/- warning: finset.sum_smul_const_vsub_eq_neg_weighted_vsub -> Finset.sum_smul_const_vsub_eq_neg_weightedVSub is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
-theorem sum_smul_const_vsub_eq_neg_weightedVsub (w : ι → k) (p₂ : ι → P) (p₁ : P)
-    (h : (∑ i in s, w i) = 0) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = -s.weightedVsub p₂ w := by
+theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P) (p₁ : P)
+    (h : (∑ i in s, w i) = 0) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = -s.weightedVSub p₂ w := by
   rw [sum_smul_vsub_eq_weighted_vsub_sub, s.weighted_vsub_apply_const _ _ h, zero_sub]
-#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVsub
-
+#align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSub
+
+/- warning: finset.weighted_vsub_sdiff -> Finset.weightedVSub_sdiff is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiffₓ'. -/
 /-- A weighted sum may be split into such sums over two subsets. -/
-theorem weightedVsub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
-    (s \ s₂).weightedVsub p w + s₂.weightedVsub p w = s.weightedVsub p w :=
-  s.weightedVsubOfPoint_sdiff h _ _ _
-#align finset.weighted_vsub_sdiff Finset.weightedVsub_sdiff
-
+theorem weightedVSub_sdiff [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k) (p : ι → P) :
+    (s \ s₂).weightedVSub p w + s₂.weightedVSub p w = s.weightedVSub p w :=
+  s.weightedVSubOfPoint_sdiff h _ _ _
+#align finset.weighted_vsub_sdiff Finset.weightedVSub_sdiff
+
+/- warning: finset.weighted_vsub_sdiff_sub -> Finset.weightedVSub_sdiff_sub is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of such sums over two subsets. -/
-theorem weightedVsub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
-    (p : ι → P) : (s \ s₂).weightedVsub p w - s₂.weightedVsub p (-w) = s.weightedVsub p w :=
-  s.weightedVsubOfPoint_sdiff_sub h _ _ _
-#align finset.weighted_vsub_sdiff_sub Finset.weightedVsub_sdiff_sub
-
+theorem weightedVSub_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
+    (p : ι → P) : (s \ s₂).weightedVSub p w - s₂.weightedVSub p (-w) = s.weightedVSub p w :=
+  s.weightedVSubOfPoint_sdiff_sub h _ _ _
+#align finset.weighted_vsub_sdiff_sub Finset.weightedVSub_sdiff_sub
+
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filterₓ'. -/
 /-- A weighted sum over `s.subtype pred` equals one over `s.filter pred`. -/
-theorem weightedVsub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
+theorem weightedVSub_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
     [DecidablePred pred] :
-    ((s.Subtype pred).weightedVsub (fun i => p i) fun i => w i) =
-      (s.filterₓ pred).weightedVsub p w :=
-  s.weightedVsubOfPoint_subtype_eq_filter _ _ _ _
-#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVsub_subtype_eq_filter
-
+    ((s.Subtype pred).weightedVSub (fun i => p i) fun i => w i) =
+      (s.filterₓ pred).weightedVSub p w :=
+  s.weightedVSubOfPoint_subtype_eq_filter _ _ _ _
+#align finset.weighted_vsub_subtype_eq_filter Finset.weightedVSub_subtype_eq_filter
+
+/- warning: finset.weighted_vsub_filter_of_ne -> Finset.weightedVSub_filter_of_ne is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_neₓ'. -/
 /-- A weighted sum over `s.filter pred` equals one over `s` if all the weights at indices in `s`
 not satisfying `pred` are zero. -/
-theorem weightedVsub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → Prop} [DecidablePred pred]
-    (h : ∀ i ∈ s, w i ≠ 0 → pred i) : (s.filterₓ pred).weightedVsub p w = s.weightedVsub p w :=
-  s.weightedVsubOfPoint_filter_of_ne _ _ _ h
-#align finset.weighted_vsub_filter_of_ne Finset.weightedVsub_filter_of_ne
-
+theorem weightedVSub_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → Prop} [DecidablePred pred]
+    (h : ∀ i ∈ s, w i ≠ 0 → pred i) : (s.filterₓ pred).weightedVSub p w = s.weightedVSub p w :=
+  s.weightedVSubOfPoint_filter_of_ne _ _ _ h
+#align finset.weighted_vsub_filter_of_ne Finset.weightedVSub_filter_of_ne
+
+/- warning: finset.weighted_vsub_const_smul -> Finset.weightedVSub_const_smul is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smulₓ'. -/
 /-- A constant multiplier of the weights in `weighted_vsub_of` may be moved outside the sum. -/
-theorem weightedVsub_const_smul (w : ι → k) (p : ι → P) (c : k) :
-    s.weightedVsub p (c • w) = c • s.weightedVsub p w :=
-  s.weightedVsubOfPoint_const_smul _ _ _ _
-#align finset.weighted_vsub_const_smul Finset.weightedVsub_const_smul
+theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
+    s.weightedVSub p (c • w) = c • s.weightedVSub p w :=
+  s.weightedVSubOfPoint_const_smul _ _ _ _
+#align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smul
 
 variable (k)
 
+/- warning: finset.affine_combination -> Finset.affineCombination is a dubious translation:
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination Finset.affineCombinationₓ'. -/
 /-- A weighted sum of the results of subtracting a default base point
 from the given points, added to that base point, as an affine map on
 the weights.  This is intended to be used when the sum of the weights
@@ -386,21 +600,33 @@ points with the given weights; that condition is specified as a
 hypothesis on those lemmas that require it. -/
 def affineCombination (p : ι → P) : (ι → k) →ᵃ[k] P
     where
-  toFun w := s.weightedVsubOfPoint p (Classical.choice S.Nonempty) w +ᵥ Classical.choice S.Nonempty
-  linear := s.weightedVsub p
+  toFun w := s.weightedVSubOfPoint p (Classical.choice S.Nonempty) w +ᵥ Classical.choice S.Nonempty
+  linear := s.weightedVSub p
   map_vadd' w₁ w₂ := by simp_rw [vadd_vadd, weighted_vsub, vadd_eq_add, LinearMap.map_add]
 #align finset.affine_combination Finset.affineCombination
 
+/- warning: finset.affine_combination_linear -> Finset.affineCombination_linear is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_linear Finset.affineCombination_linearₓ'. -/
 /-- The linear map corresponding to `affine_combination` is
 `weighted_vsub`. -/
 @[simp]
 theorem affineCombination_linear (p : ι → P) :
-    (s.affineCombination k p).linear = s.weightedVsub p :=
+    (s.affineCombination k p).linear = s.weightedVSub p :=
   rfl
 #align finset.affine_combination_linear Finset.affineCombination_linear
 
 variable {k}
 
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply Finset.affineCombination_applyₓ'. -/
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
 when that base point will cancel out later); a more typical use case
@@ -410,10 +636,16 @@ point with
 then using `weighted_vsub_of_point_apply`. -/
 theorem affineCombination_apply (w : ι → k) (p : ι → P) :
     s.affineCombination k p w =
-      s.weightedVsubOfPoint p (Classical.choice S.Nonempty) w +ᵥ Classical.choice S.Nonempty :=
+      s.weightedVSubOfPoint p (Classical.choice S.Nonempty) w +ᵥ Classical.choice S.Nonempty :=
   rfl
 #align finset.affine_combination_apply Finset.affineCombination_apply
 
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_apply_const Finset.affineCombination_apply_constₓ'. -/
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
 theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 1) :
@@ -421,6 +653,12 @@ theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w
   rw [affine_combination_apply, s.weighted_vsub_of_point_apply_const, h, one_smul, vsub_vadd]
 #align finset.affine_combination_apply_const Finset.affineCombination_apply_const
 
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_congr Finset.affineCombination_congrₓ'. -/
 /-- `affine_combination` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
 theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
@@ -428,26 +666,50 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
   simp_rw [affine_combination_apply, s.weighted_vsub_of_point_congr hw hp]
 #align finset.affine_combination_congr Finset.affineCombination_congr
 
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_oneₓ'. -/
 /-- `affine_combination` gives the sum with any base point, when the
 sum of the weights is 1. -/
-theorem affineCombination_eq_weightedVsubOfPoint_vadd_of_sum_eq_one (w : ι → k) (p : ι → P)
+theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι → k) (p : ι → P)
     (h : (∑ i in s, w i) = 1) (b : P) :
-    s.affineCombination k p w = s.weightedVsubOfPoint p b w +ᵥ b :=
-  s.weightedVsubOfPoint_vadd_eq_of_sum_eq_one w p h _ _
-#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVsubOfPoint_vadd_of_sum_eq_one
-
+    s.affineCombination k p w = s.weightedVSubOfPoint p b w +ᵥ b :=
+  s.weightedVSubOfPoint_vadd_eq_of_sum_eq_one w p h _ _
+#align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one
+
+/- warning: finset.weighted_vsub_vadd_affine_combination -> Finset.weightedVSub_vadd_affineCombination is a dubious translation:
+lean 3 declaration is
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombinationₓ'. -/
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
-theorem weightedVsub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
-    s.weightedVsub p w₁ +ᵥ s.affineCombination k p w₂ = s.affineCombination k p (w₁ + w₂) := by
+theorem weightedVSub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
+    s.weightedVSub p w₁ +ᵥ s.affineCombination k p w₂ = s.affineCombination k p (w₁ + w₂) := by
   rw [← vadd_eq_add, AffineMap.map_vadd, affine_combination_linear]
-#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVsub_vadd_affineCombination
-
+#align finset.weighted_vsub_vadd_affine_combination Finset.weightedVSub_vadd_affineCombination
+
+/- warning: finset.affine_combination_vsub -> Finset.affineCombination_vsub is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_vsub Finset.affineCombination_vsubₓ'. -/
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
-    s.affineCombination k p w₁ -ᵥ s.affineCombination k p w₂ = s.weightedVsub p (w₁ - w₂) := by
+    s.affineCombination k p w₁ -ᵥ s.affineCombination k p w₂ = s.weightedVSub p (w₁ - w₂) := by
   rw [← AffineMap.linearMap_vsub, affine_combination_linear, vsub_eq_sub]
 #align finset.affine_combination_vsub Finset.affineCombination_vsub
 
+/- warning: finset.attach_affine_combination_of_injective -> Finset.attach_affineCombination_of_injective is a dubious translation:
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injectiveₓ'. -/
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
     s.attach.affineCombination k f (w ∘ f) = (image f univ).affineCombination k id w :=
@@ -464,6 +726,12 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
   exact fun _ _ _ _ hxy => hf hxy
 #align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injective
 
+/- warning: finset.attach_affine_combination_coe -> Finset.attach_affineCombination_coe is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.attach_affine_combination_coe Finset.attach_affineCombination_coeₓ'. -/
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
     s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
   classical rw [attach_affine_combination_of_injective s w (coe : s → P) Subtype.coe_injective,
@@ -472,14 +740,26 @@ theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
 
 omit S
 
+/- warning: finset.weighted_vsub_eq_linear_combination -> Finset.weightedVSub_eq_linear_combination is a dubious translation:
+lean 3 declaration is
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, a `weighted_vsub` is just a linear
 combination. -/
 @[simp]
-theorem weightedVsub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {p : ι → V}
-    (hw : s.Sum w = 0) : s.weightedVsub p w = ∑ i in s, w i • p i := by
+theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {p : ι → V}
+    (hw : s.Sum w = 0) : s.weightedVSub p w = ∑ i in s, w i • p i := by
   simp [s.weighted_vsub_apply, vsub_eq_sub, smul_sub, ← Finset.sum_smul, hw]
-#align finset.weighted_vsub_eq_linear_combination Finset.weightedVsub_eq_linear_combination
-
+#align finset.weighted_vsub_eq_linear_combination Finset.weightedVSub_eq_linear_combination
+
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combinationₓ'. -/
 /-- Viewing a module as an affine space modelled on itself, affine combinations are just linear
 combinations. -/
 @[simp]
@@ -490,6 +770,12 @@ theorem affineCombination_eq_linear_combination (s : Finset ι) (p : ι → V) (
 
 include S
 
+/- warning: finset.affine_combination_of_eq_one_of_eq_zero -> Finset.affineCombination_of_eq_one_of_eq_zero is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zeroₓ'. -/
 /-- An `affine_combination` equals a point if that point is in the set
 and has weight 1 and the other points in the set have weight 0. -/
 @[simp]
@@ -507,6 +793,12 @@ theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i
   · simp [hw0 i2 hi2 h]
 #align finset.affine_combination_of_eq_one_of_eq_zero Finset.affineCombination_of_eq_one_of_eq_zero
 
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subsetₓ'. -/
 /-- An affine combination is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
 theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ : Finset ι}
@@ -516,6 +808,12 @@ theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s
     weighted_vsub_of_point_indicator_subset _ _ _ h]
 #align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subset
 
+/- warning: finset.affine_combination_map -> Finset.affineCombination_map is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_map Finset.affineCombination_mapₓ'. -/
 /-- An affine combination, over the image of an embedding, equals an
 affine combination with the same points and weights over the original
 `finset`. -/
@@ -524,6 +822,12 @@ theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
   simp_rw [affine_combination_apply, weighted_vsub_of_point_map]
 #align finset.affine_combination_map Finset.affineCombination_map
 
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+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
 theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι → P) :
@@ -533,6 +837,12 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
   exact s.sum_smul_vsub_eq_weighted_vsub_of_point_sub _ _ _ _
 #align finset.sum_smul_vsub_eq_affine_combination_vsub Finset.sum_smul_vsub_eq_affineCombination_vsub
 
+/- warning: finset.sum_smul_vsub_const_eq_affine_combination_vsub -> Finset.sum_smul_vsub_const_eq_affineCombination_vsub is a dubious translation:
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsubₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι → P) (p₂ : P)
@@ -540,6 +850,12 @@ theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι
   by rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsub
 
+/- warning: finset.sum_smul_const_vsub_eq_vsub_affine_combination -> Finset.sum_smul_const_vsub_eq_vsub_affineCombination is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombinationₓ'. -/
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι → P) (p₁ : P)
@@ -547,19 +863,31 @@ theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι
   by rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombination
 
+/- warning: finset.affine_combination_sdiff_sub -> Finset.affineCombination_sdiff_sub is a dubious translation:
+lean 3 declaration is
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_subₓ'. -/
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) :
-    (s \ s₂).affineCombination k p w -ᵥ s₂.affineCombination k p (-w) = s.weightedVsub p w :=
+    (s \ s₂).affineCombination k p w -ᵥ s₂.affineCombination k p (-w) = s.weightedVSub p w :=
   by
   simp_rw [affine_combination_apply, vadd_vsub_vadd_cancel_right]
   exact s.weighted_vsub_sdiff_sub h _ _
 #align finset.affine_combination_sdiff_sub Finset.affineCombination_sdiff_sub
 
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_oneₓ'. -/
 /-- If a weighted sum is zero and one of the weights is `-1`, the corresponding point is
 the affine combination of the other points with the given weights. -/
-theorem affineCombination_eq_of_weightedVsub_eq_zero_of_eq_neg_one {w : ι → k} {p : ι → P}
-    (hw : s.weightedVsub p w = (0 : V)) {i : ι} [DecidablePred (· ≠ i)] (his : i ∈ s)
+theorem affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one {w : ι → k} {p : ι → P}
+    (hw : s.weightedVSub p w = (0 : V)) {i : ι} [DecidablePred (· ≠ i)] (his : i ∈ s)
     (hwi : w i = -1) : (s.filterₓ (· ≠ i)).affineCombination k p w = p i := by
   classical
     rw [← @vsub_eq_zero_iff_eq V, ← hw, ←
@@ -569,8 +897,14 @@ theorem affineCombination_eq_of_weightedVsub_eq_zero_of_eq_neg_one {w : ι → k
     refine' (affine_combination_of_eq_one_of_eq_zero _ _ _ (mem_singleton_self _) _ _).symm
     · simp [hwi]
     · simp
-#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVsub_eq_zero_of_eq_neg_one
-
+#align finset.affine_combination_eq_of_weighted_vsub_eq_zero_of_eq_neg_one Finset.affineCombination_eq_of_weightedVSub_eq_zero_of_eq_neg_one
+
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filterₓ'. -/
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
     [DecidablePred pred] :
@@ -580,6 +914,12 @@ theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred
   rw [affine_combination_apply, affine_combination_apply, weighted_vsub_of_point_subtype_eq_filter]
 #align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filter
 
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_filter_of_ne Finset.affineCombination_filter_of_neₓ'. -/
 /-- An affine combination over `s.filter pred` equals one over `s` if all the weights at indices
 in `s` not satisfying `pred` are zero. -/
 theorem affineCombination_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → Prop}
@@ -591,6 +931,12 @@ theorem affineCombination_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι
 
 variable {V}
 
+/- warning: finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype -> Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype is a dubious translation:
+lean 3 declaration is
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+Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as
 `weighted_vsub_of_point` using a `finset` lying within that subset and
@@ -598,12 +944,12 @@ with a given sum of weights if and only if it can be expressed as
 `weighted_vsub_of_point` with that sum of weights for the
 corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
-theorem eq_weightedVsubOfPoint_subset_iff_eq_weightedVsubOfPoint_subtype {v : V} {x : k} {s : Set ι}
+theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V} {x : k} {s : Set ι}
     {p : ι → P} {b : P} :
     (∃ (fs : Finset ι)(hfs : ↑fs ⊆ s)(w : ι → k)(hw : (∑ i in fs, w i) = x),
-        v = fs.weightedVsubOfPoint p b w) ↔
+        v = fs.weightedVSubOfPoint p b w) ↔
       ∃ (fs : Finset s)(w : s → k)(hw : (∑ i in fs, w i) = x),
-        v = fs.weightedVsubOfPoint (fun i : s => p i) b w :=
+        v = fs.weightedVSubOfPoint (fun i : s => p i) b w :=
   by
   classical
     simp_rw [weighted_vsub_of_point_apply]
@@ -615,26 +961,38 @@ theorem eq_weightedVsubOfPoint_subset_iff_eq_weightedVsubOfPoint_subtype {v : V}
           ⟨fs.map (Function.Embedding.subtype _), map_subtype_subset _, fun i =>
             if h : i ∈ s then w ⟨i, h⟩ else 0, _, _⟩ <;>
         simp
-#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVsubOfPoint_subset_iff_eq_weightedVsubOfPoint_subtype
+#align finset.eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype Finset.eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 
 variable (k)
 
+/- warning: finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype -> Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype is a dubious translation:
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ι) (Set.instMembershipSet.{u4} ι) x s) i))) w)))))
+Case conversion may be inaccurate. Consider using '#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A vector can be expressed as `weighted_vsub` using
 a `finset` lying within that subset and with sum of weights 0 if and
 only if it can be expressed as `weighted_vsub` with sum of weights 0
 for the corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
-theorem eq_weightedVsub_subset_iff_eq_weightedVsub_subtype {v : V} {s : Set ι} {p : ι → P} :
+theorem eq_weightedVSub_subset_iff_eq_weightedVSub_subtype {v : V} {s : Set ι} {p : ι → P} :
     (∃ (fs : Finset ι)(hfs : ↑fs ⊆ s)(w : ι → k)(hw : (∑ i in fs, w i) = 0),
-        v = fs.weightedVsub p w) ↔
+        v = fs.weightedVSub p w) ↔
       ∃ (fs : Finset s)(w : s → k)(hw : (∑ i in fs, w i) = 0),
-        v = fs.weightedVsub (fun i : s => p i) w :=
-  eq_weightedVsubOfPoint_subset_iff_eq_weightedVsubOfPoint_subtype
-#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVsub_subset_iff_eq_weightedVsub_subtype
+        v = fs.weightedVSub (fun i : s => p i) w :=
+  eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
+#align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype
 
 variable (V)
 
+/- warning: finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype -> Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtype is a dubious translation:
+lean 3 declaration is
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+Case conversion may be inaccurate. Consider using '#align finset.eq_affine_combination_subset_iff_eq_affine_combination_subtype Finset.eq_affineCombination_subset_iff_eq_affineCombination_subtypeₓ'. -/
 /-- Suppose an indexed family of points is given, along with a subset
 of the index type.  A point can be expressed as an
 `affine_combination` using a `finset` lying within that subset and
@@ -655,6 +1013,12 @@ theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s
 
 variable {k V}
 
+/- warning: finset.map_affine_combination -> Finset.map_affineCombination is a dubious translation:
+lean 3 declaration is
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+Case conversion may be inaccurate. Consider using '#align finset.map_affine_combination Finset.map_affineCombinationₓ'. -/
 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
     (p : ι → P) (w : ι → k) (hw : s.Sum w = 1) (f : P →ᵃ[k] P₂) :
@@ -673,21 +1037,41 @@ variable (k)
 
 omit S
 
+#print Finset.affineCombinationSingleWeights /-
 /-- Weights for expressing a single point as an affine combination. -/
 def affineCombinationSingleWeights [DecidableEq ι] (i : ι) : ι → k :=
   Function.update (Function.const ι 0) i 1
 #align finset.affine_combination_single_weights Finset.affineCombinationSingleWeights
+-/
 
+/- warning: finset.affine_combination_single_weights_apply_self -> Finset.affineCombinationSingleWeights_apply_self is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{succ u1} k (Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))
+but is expected to have type
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{succ u1} k (Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))
+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_single_weights_apply_self Finset.affineCombinationSingleWeights_apply_selfₓ'. -/
 @[simp]
 theorem affineCombinationSingleWeights_apply_self [DecidableEq ι] (i : ι) :
     affineCombinationSingleWeights k i i = 1 := by simp [affine_combination_single_weights]
 #align finset.affine_combination_single_weights_apply_self Finset.affineCombinationSingleWeights_apply_self
 
+/- warning: finset.affine_combination_single_weights_apply_of_ne -> Finset.affineCombinationSingleWeights_apply_of_ne is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι j i) -> (Eq.{succ u1} k (Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))
+but is expected to have type
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι j i) -> (Eq.{succ u1} k (Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j) (OfNat.ofNat.{u1} k 0 (Zero.toOfNat0.{u1} k (MonoidWithZero.toZero.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_single_weights_apply_of_ne Finset.affineCombinationSingleWeights_apply_of_neₓ'. -/
 @[simp]
 theorem affineCombinationSingleWeights_apply_of_ne [DecidableEq ι] {i j : ι} (h : j ≠ i) :
     affineCombinationSingleWeights k i j = 0 := by simp [affine_combination_single_weights, h]
 #align finset.affine_combination_single_weights_apply_of_ne Finset.affineCombinationSingleWeights_apply_of_ne
 
+/- warning: finset.sum_affine_combination_single_weights -> Finset.sum_affineCombinationSingleWeights is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι}, (Membership.Mem.{u2, u2} ι (Finset.{u2} ι) (Finset.hasMem.{u2} ι) i s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (j : ι) => Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))
+but is expected to have type
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι}, (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) i s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (j : ι) => Finset.affineCombinationSingleWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j)) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))
+Case conversion may be inaccurate. Consider using '#align finset.sum_affine_combination_single_weights Finset.sum_affineCombinationSingleWeightsₓ'. -/
 @[simp]
 theorem sum_affineCombinationSingleWeights [DecidableEq ι] {i : ι} (h : i ∈ s) :
     (∑ j in s, affineCombinationSingleWeights k i j) = 1 :=
@@ -696,70 +1080,126 @@ theorem sum_affineCombinationSingleWeights [DecidableEq ι] {i : ι} (h : i ∈
   exact sum_eq_single_of_mem i h fun j _ hj => affine_combination_single_weights_apply_of_ne k hj
 #align finset.sum_affine_combination_single_weights Finset.sum_affineCombinationSingleWeights
 
+#print Finset.weightedVSubVSubWeights /-
 /-- Weights for expressing the subtraction of two points as a `weighted_vsub`. -/
-def weightedVsubVsubWeights [DecidableEq ι] (i j : ι) : ι → k :=
+def weightedVSubVSubWeights [DecidableEq ι] (i j : ι) : ι → k :=
   affineCombinationSingleWeights k i - affineCombinationSingleWeights k j
-#align finset.weighted_vsub_vsub_weights Finset.weightedVsubVsubWeights
+#align finset.weighted_vsub_vsub_weights Finset.weightedVSubVSubWeights
+-/
 
+/- warning: finset.weighted_vsub_vsub_weights_self -> Finset.weightedVSubVSubWeights_self is a dubious translation:
+lean 3 declaration is
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+but is expected to have type
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] (i : ι), Eq.{max (succ u1) (succ u2)} (ι -> k) (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i i) (OfNat.ofNat.{max u1 u2} (ι -> k) 0 (Zero.toOfNat0.{max u1 u2} (ι -> k) (Pi.instZero.{u2, u1} ι (fun (a._@.Mathlib.LinearAlgebra.AffineSpace.Combination._hyg.7190 : ι) => k) (fun (i : ι) => MonoidWithZero.toZero.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vsub_weights_self Finset.weightedVSubVSubWeights_selfₓ'. -/
 @[simp]
-theorem weightedVsubVsubWeights_self [DecidableEq ι] (i : ι) : weightedVsubVsubWeights k i i = 0 :=
+theorem weightedVSubVSubWeights_self [DecidableEq ι] (i : ι) : weightedVSubVSubWeights k i i = 0 :=
   by simp [weighted_vsub_vsub_weights]
-#align finset.weighted_vsub_vsub_weights_self Finset.weightedVsubVsubWeights_self
-
+#align finset.weighted_vsub_vsub_weights_self Finset.weightedVSubVSubWeights_self
+
+/- warning: finset.weighted_vsub_vsub_weights_apply_left -> Finset.weightedVSubVSubWeights_apply_left is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j i) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))))
+but is expected to have type
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j i) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))
+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vsub_weights_apply_left Finset.weightedVSubVSubWeights_apply_leftₓ'. -/
 @[simp]
-theorem weightedVsubVsubWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) :
-    weightedVsubVsubWeights k i j i = 1 := by simp [weighted_vsub_vsub_weights, h]
-#align finset.weighted_vsub_vsub_weights_apply_left Finset.weightedVsubVsubWeights_apply_left
-
+theorem weightedVSubVSubWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) :
+    weightedVSubVSubWeights k i j i = 1 := by simp [weighted_vsub_vsub_weights, h]
+#align finset.weighted_vsub_vsub_weights_apply_left Finset.weightedVSubVSubWeights_apply_left
+
+/- warning: finset.weighted_vsub_vsub_weights_apply_right -> Finset.weightedVSubVSubWeights_apply_right is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j j) (Neg.neg.{u1} k (SubNegMonoid.toHasNeg.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))))))
+but is expected to have type
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j j) (Neg.neg.{u1} k (Ring.toNeg.{u1} k _inst_1) (OfNat.ofNat.{u1} k 1 (One.toOfNat1.{u1} k (NonAssocRing.toOne.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1))))))
+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vsub_weights_apply_right Finset.weightedVSubVSubWeights_apply_rightₓ'. -/
 @[simp]
-theorem weightedVsubVsubWeights_apply_right [DecidableEq ι] {i j : ι} (h : i ≠ j) :
-    weightedVsubVsubWeights k i j j = -1 := by simp [weighted_vsub_vsub_weights, h.symm]
-#align finset.weighted_vsub_vsub_weights_apply_right Finset.weightedVsubVsubWeights_apply_right
-
+theorem weightedVSubVSubWeights_apply_right [DecidableEq ι] {i j : ι} (h : i ≠ j) :
+    weightedVSubVSubWeights k i j j = -1 := by simp [weighted_vsub_vsub_weights, h.symm]
+#align finset.weighted_vsub_vsub_weights_apply_right Finset.weightedVSubVSubWeights_apply_right
+
+/- warning: finset.weighted_vsub_vsub_weights_apply_of_ne -> Finset.weightedVSubVSubWeights_apply_of_ne is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι} {t : ι}, (Ne.{succ u2} ι t i) -> (Ne.{succ u2} ι t j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j t) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))
+but is expected to have type
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι} {t : ι}, (Ne.{succ u2} ι t i) -> (Ne.{succ u2} ι t j) -> (Eq.{succ u1} k (Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j t) (OfNat.ofNat.{u1} k 0 (Zero.toOfNat0.{u1} k (MonoidWithZero.toZero.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_vsub_weights_apply_of_ne Finset.weightedVSubVSubWeights_apply_of_neₓ'. -/
 @[simp]
-theorem weightedVsubVsubWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi : t ≠ i) (hj : t ≠ j) :
-    weightedVsubVsubWeights k i j t = 0 := by simp [weighted_vsub_vsub_weights, hi, hj]
-#align finset.weighted_vsub_vsub_weights_apply_of_ne Finset.weightedVsubVsubWeights_apply_of_ne
-
+theorem weightedVSubVSubWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi : t ≠ i) (hj : t ≠ j) :
+    weightedVSubVSubWeights k i j t = 0 := by simp [weighted_vsub_vsub_weights, hi, hj]
+#align finset.weighted_vsub_vsub_weights_apply_of_ne Finset.weightedVSubVSubWeights_apply_of_ne
+
+/- warning: finset.sum_weighted_vsub_vsub_weights -> Finset.sum_weightedVSubVSubWeights is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Membership.Mem.{u2, u2} ι (Finset.{u2} ι) (Finset.hasMem.{u2} ι) i s) -> (Membership.Mem.{u2, u2} ι (Finset.{u2} ι) (Finset.hasMem.{u2} ι) j s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (AddCommGroup.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toAddCommGroup.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (t : ι) => Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j t)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))))))))
+but is expected to have type
+  forall (k : Type.{u1}) [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} (s : Finset.{u2} ι) [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) i s) -> (Membership.mem.{u2, u2} ι (Finset.{u2} ι) (Finset.instMembershipFinset.{u2} ι) j s) -> (Eq.{succ u1} k (Finset.sum.{u1, u2} k ι (NonUnitalNonAssocSemiring.toAddCommMonoid.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k _inst_1)))) s (fun (t : ι) => Finset.weightedVSubVSubWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j t)) (OfNat.ofNat.{u1} k 0 (Zero.toOfNat0.{u1} k (MonoidWithZero.toZero.{u1} k (Semiring.toMonoidWithZero.{u1} k (Ring.toSemiring.{u1} k _inst_1))))))
+Case conversion may be inaccurate. Consider using '#align finset.sum_weighted_vsub_vsub_weights Finset.sum_weightedVSubVSubWeightsₓ'. -/
 @[simp]
-theorem sum_weightedVsubVsubWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s) :
-    (∑ t in s, weightedVsubVsubWeights k i j t) = 0 :=
+theorem sum_weightedVSubVSubWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s) :
+    (∑ t in s, weightedVSubVSubWeights k i j t) = 0 :=
   by
   simp_rw [weighted_vsub_vsub_weights, Pi.sub_apply, sum_sub_distrib]
   simp [hi, hj]
-#align finset.sum_weighted_vsub_vsub_weights Finset.sum_weightedVsubVsubWeights
+#align finset.sum_weighted_vsub_vsub_weights Finset.sum_weightedVSubVSubWeights
 
 variable {k}
 
+#print Finset.affineCombinationLineMapWeights /-
 /-- Weights for expressing `line_map` as an affine combination. -/
 def affineCombinationLineMapWeights [DecidableEq ι] (i j : ι) (c : k) : ι → k :=
-  c • weightedVsubVsubWeights k j i + affineCombinationSingleWeights k i
+  c • weightedVSubVSubWeights k j i + affineCombinationSingleWeights k i
 #align finset.affine_combination_line_map_weights Finset.affineCombinationLineMapWeights
+-/
 
+#print Finset.affineCombinationLineMapWeights_self /-
 @[simp]
 theorem affineCombinationLineMapWeights_self [DecidableEq ι] (i : ι) (c : k) :
     affineCombinationLineMapWeights i i c = affineCombinationSingleWeights k i := by
   simp [affine_combination_line_map_weights]
 #align finset.affine_combination_line_map_weights_self Finset.affineCombinationLineMapWeights_self
+-/
 
+/- warning: finset.affine_combination_line_map_weights_apply_left -> Finset.affineCombinationLineMapWeights_apply_left is a dubious translation:
+lean 3 declaration is
+  forall {k : Type.{u1}} [_inst_1 : Ring.{u1} k] {ι : Type.{u2}} [_inst_4 : DecidableEq.{succ u2} ι] {i : ι} {j : ι}, (Ne.{succ u2} ι i j) -> (forall (c : k), Eq.{succ u1} k (Finset.affineCombinationLineMapWeights.{u1, u2} k _inst_1 ι (fun (a : ι) (b : ι) => _inst_4 a b) i j c i) (HSub.hSub.{u1, u1, u1} k k k (instHSub.{u1} k (SubNegMonoid.toHasSub.{u1} k (AddGroup.toSubNegMonoid.{u1} k (AddGroupWithOne.toAddGroup.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1)))))) (OfNat.ofNat.{u1} k 1 (OfNat.mk.{u1} k 1 (One.one.{u1} k (AddMonoidWithOne.toOne.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k _inst_1))))))) c))
+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_line_map_weights_apply_left Finset.affineCombinationLineMapWeights_apply_leftₓ'. -/
 @[simp]
 theorem affineCombinationLineMapWeights_apply_left [DecidableEq ι] {i j : ι} (h : i ≠ j) (c : k) :
     affineCombinationLineMapWeights i j c i = 1 - c := by
   simp [affine_combination_line_map_weights, h.symm, sub_eq_neg_add]
 #align finset.affine_combination_line_map_weights_apply_left Finset.affineCombinationLineMapWeights_apply_left
 
+#print Finset.affineCombinationLineMapWeights_apply_right /-
 @[simp]
 theorem affineCombinationLineMapWeights_apply_right [DecidableEq ι] {i j : ι} (h : i ≠ j) (c : k) :
     affineCombinationLineMapWeights i j c j = c := by
   simp [affine_combination_line_map_weights, h.symm]
 #align finset.affine_combination_line_map_weights_apply_right Finset.affineCombinationLineMapWeights_apply_right
+-/
 
+/- warning: finset.affine_combination_line_map_weights_apply_of_ne -> Finset.affineCombinationLineMapWeights_apply_of_ne is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_line_map_weights_apply_of_ne Finset.affineCombinationLineMapWeights_apply_of_neₓ'. -/
 @[simp]
 theorem affineCombinationLineMapWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi : t ≠ i)
     (hj : t ≠ j) (c : k) : affineCombinationLineMapWeights i j c t = 0 := by
   simp [affine_combination_line_map_weights, hi, hj]
 #align finset.affine_combination_line_map_weights_apply_of_ne Finset.affineCombinationLineMapWeights_apply_of_ne
 
+/- warning: finset.sum_affine_combination_line_map_weights -> Finset.sum_affineCombinationLineMapWeights is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.sum_affine_combination_line_map_weights Finset.sum_affineCombinationLineMapWeightsₓ'. -/
 @[simp]
 theorem sum_affineCombinationLineMapWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s)
     (c : k) : (∑ t in s, affineCombinationLineMapWeights i j c t) = 1 :=
@@ -772,6 +1212,12 @@ include S
 
 variable (k)
 
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeightsₓ'. -/
 /-- An affine combination with `affine_combination_single_weights` gives the specified point. -/
 @[simp]
 theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : ι → P) {i : ι}
@@ -782,18 +1228,30 @@ theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : 
   simp [hj]
 #align finset.affine_combination_affine_combination_single_weights Finset.affineCombination_affineCombinationSingleWeights
 
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+Case conversion may be inaccurate. Consider using '#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeightsₓ'. -/
 /-- A weighted subtraction with `weighted_vsub_vsub_weights` gives the result of subtracting the
 specified points. -/
 @[simp]
-theorem weightedVsub_weightedVsubVsubWeights [DecidableEq ι] (p : ι → P) {i j : ι} (hi : i ∈ s)
-    (hj : j ∈ s) : s.weightedVsub p (weightedVsubVsubWeights k i j) = p i -ᵥ p j := by
+theorem weightedVSub_weightedVSubVSubWeights [DecidableEq ι] (p : ι → P) {i j : ι} (hi : i ∈ s)
+    (hj : j ∈ s) : s.weightedVSub p (weightedVSubVSubWeights k i j) = p i -ᵥ p j := by
   rw [weighted_vsub_vsub_weights, ← affine_combination_vsub,
     s.affine_combination_affine_combination_single_weights k p hi,
     s.affine_combination_affine_combination_single_weights k p hj]
-#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVsub_weightedVsubVsubWeights
+#align finset.weighted_vsub_weighted_vsub_vsub_weights Finset.weightedVSub_weightedVSubVSubWeights
 
 variable {k}
 
+/- warning: finset.affine_combination_affine_combination_line_map_weights -> Finset.affineCombination_affineCombinationLineMapWeights is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.affine_combination_affine_combination_line_map_weights Finset.affineCombination_affineCombinationLineMapWeightsₓ'. -/
 /-- An affine combination with `affine_combination_line_map_weights` gives the result of
 `line_map`. -/
 @[simp]
@@ -815,17 +1273,31 @@ variable (k : Type _) {V : Type _} {P : Type _} [DivisionRing k] [AddCommGroup V
 
 variable [affine_space V P] {ι : Type _} (s : Finset ι) {ι₂ : Type _} (s₂ : Finset ι₂)
 
+#print Finset.centroidWeights /-
 /-- The weights for the centroid of some points. -/
 def centroidWeights : ι → k :=
   Function.const ι (card s : k)⁻¹
 #align finset.centroid_weights Finset.centroidWeights
+-/
 
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 /-- `centroid_weights` at any point. -/
 @[simp]
 theorem centroidWeights_apply (i : ι) : s.centroidWeights k i = (card s : k)⁻¹ :=
   rfl
 #align finset.centroid_weights_apply Finset.centroidWeights_apply
 
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 /-- `centroid_weights` equals a constant function. -/
 theorem centroidWeights_eq_const : s.centroidWeights k = Function.const ι (card s : k)⁻¹ :=
   rfl
@@ -833,6 +1305,12 @@ theorem centroidWeights_eq_const : s.centroidWeights k = Function.const ι (card
 
 variable {k}
 
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+Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_eq_one_of_cast_card_ne_zero Finset.sum_centroidWeights_eq_one_of_cast_card_ne_zeroₓ'. -/
 /-- The weights in the centroid sum to 1, if the number of points,
 converted to `k`, is not zero. -/
 theorem sum_centroidWeights_eq_one_of_cast_card_ne_zero (h : (card s : k) ≠ 0) :
@@ -841,12 +1319,24 @@ theorem sum_centroidWeights_eq_one_of_cast_card_ne_zero (h : (card s : k) ≠ 0)
 
 variable (k)
 
+/- warning: finset.sum_centroid_weights_eq_one_of_card_ne_zero -> Finset.sum_centroidWeights_eq_one_of_card_ne_zero is a dubious translation:
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 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is not zero. -/
 theorem sum_centroidWeights_eq_one_of_card_ne_zero [CharZero k] (h : card s ≠ 0) :
     (∑ i in s, s.centroidWeights k i) = 1 := by simp [h]
 #align finset.sum_centroid_weights_eq_one_of_card_ne_zero Finset.sum_centroidWeights_eq_one_of_card_ne_zero
 
+/- warning: finset.sum_centroid_weights_eq_one_of_nonempty -> Finset.sum_centroidWeights_eq_one_of_nonempty is a dubious translation:
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 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the set is nonempty. -/
 theorem sum_centroidWeights_eq_one_of_nonempty [CharZero k] (h : s.Nonempty) :
@@ -854,6 +1344,12 @@ theorem sum_centroidWeights_eq_one_of_nonempty [CharZero k] (h : s.Nonempty) :
   s.sum_centroidWeights_eq_one_of_card_ne_zero k (ne_of_gt (card_pos.2 h))
 #align finset.sum_centroid_weights_eq_one_of_nonempty Finset.sum_centroidWeights_eq_one_of_nonempty
 
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 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeights_eq_one_of_card_eq_add_one [CharZero k] {n : ℕ} (h : card s = n + 1) :
@@ -863,18 +1359,32 @@ theorem sum_centroidWeights_eq_one_of_card_eq_add_one [CharZero k] {n : ℕ} (h
 
 include V
 
+#print Finset.centroid /-
 /-- The centroid of some points.  Although defined for any `s`, this
 is intended to be used in the case where the number of points,
 converted to `k`, is not zero. -/
 def centroid (p : ι → P) : P :=
   s.affineCombination k p (s.centroidWeights k)
 #align finset.centroid Finset.centroid
+-/
 
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 /-- The definition of the centroid. -/
 theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (s.centroidWeights k) :=
   rfl
 #align finset.centroid_def Finset.centroid_def
 
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 theorem centroid_univ (s : Finset P) : univ.centroid k (coe : s → P) = s.centroid k id :=
   by
   rw [centroid, centroid, ← s.attach_affine_combination_coe]
@@ -883,12 +1393,24 @@ theorem centroid_univ (s : Finset P) : univ.centroid k (coe : s → P) = s.centr
   simp
 #align finset.centroid_univ Finset.centroid_univ
 
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 /-- The centroid of a single point. -/
 @[simp]
 theorem centroid_singleton (p : ι → P) (i : ι) : ({i} : Finset ι).centroid k p = p i := by
   simp [centroid_def, affine_combination_apply]
 #align finset.centroid_singleton Finset.centroid_singleton
 
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+Case conversion may be inaccurate. Consider using '#align finset.centroid_pair Finset.centroid_pairₓ'. -/
 /-- The centroid of two points, expressed directly as adding a vector
 to a point. -/
 theorem centroid_pair [DecidableEq ι] [Invertible (2 : k)] (p : ι → P) (i₁ i₂ : ι) :
@@ -907,6 +1429,12 @@ theorem centroid_pair [DecidableEq ι] [Invertible (2 : k)] (p : ι → P) (i₁
     simp [h]
 #align finset.centroid_pair Finset.centroid_pair
 
+/- warning: finset.centroid_pair_fin -> Finset.centroid_pair_fin is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.centroid_pair_fin Finset.centroid_pair_finₓ'. -/
 /-- The centroid of two points indexed by `fin 2`, expressed directly
 as adding a vector to the first point. -/
 theorem centroid_pair_fin [Invertible (2 : k)] (p : Fin 2 → P) :
@@ -916,6 +1444,12 @@ theorem centroid_pair_fin [Invertible (2 : k)] (p : Fin 2 → P) :
   convert centroid_pair k p 0 1
 #align finset.centroid_pair_fin Finset.centroid_pair_fin
 
+/- warning: finset.centroid_map -> Finset.centroid_map is a dubious translation:
+lean 3 declaration is
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+Case conversion may be inaccurate. Consider using '#align finset.centroid_map Finset.centroid_mapₓ'. -/
 /-- A centroid, over the image of an embedding, equals a centroid with
 the same points and weights over the original `finset`. -/
 theorem centroid_map (e : ι₂ ↪ ι) (p : ι → P) : (s₂.map e).centroid k p = s₂.centroid k (p ∘ e) :=
@@ -924,6 +1458,7 @@ theorem centroid_map (e : ι₂ ↪ ι) (p : ι → P) : (s₂.map e).centroid k
 
 omit V
 
+#print Finset.centroidWeightsIndicator /-
 /-- `centroid_weights` gives the weights for the centroid as a
 constant function, which is suitable when summing over the points
 whose centroid is being taken.  This function gives the weights in a
@@ -933,19 +1468,34 @@ In the case of a `fintype`, the sum may be over `univ`. -/
 def centroidWeightsIndicator : ι → k :=
   Set.indicator (↑s) (s.centroidWeights k)
 #align finset.centroid_weights_indicator Finset.centroidWeightsIndicator
+-/
 
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+Case conversion may be inaccurate. Consider using '#align finset.centroid_weights_indicator_def Finset.centroidWeightsIndicator_defₓ'. -/
 /-- The definition of `centroid_weights_indicator`. -/
 theorem centroidWeightsIndicator_def :
     s.centroidWeightsIndicator k = Set.indicator (↑s) (s.centroidWeights k) :=
   rfl
 #align finset.centroid_weights_indicator_def Finset.centroidWeightsIndicator_def
 
+#print Finset.sum_centroidWeightsIndicator /-
 /-- The sum of the weights for the centroid indexed by a `fintype`. -/
 theorem sum_centroidWeightsIndicator [Fintype ι] :
     (∑ i, s.centroidWeightsIndicator k i) = ∑ i in s, s.centroidWeights k i :=
   (Set.sum_indicator_subset _ (subset_univ _)).symm
 #align finset.sum_centroid_weights_indicator Finset.sum_centroidWeightsIndicator
+-/
 
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+Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_indicator_eq_one_of_card_ne_zero Finset.sum_centroidWeightsIndicator_eq_one_of_card_ne_zeroₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is not
 zero. -/
@@ -956,6 +1506,12 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_ne_zero [CharZero k] [Fintyp
   exact s.sum_centroid_weights_eq_one_of_card_ne_zero k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_card_ne_zero Finset.sum_centroidWeightsIndicator_eq_one_of_card_ne_zero
 
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+Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_indicator_eq_one_of_nonempty Finset.sum_centroidWeightsIndicator_eq_one_of_nonemptyₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the set is nonempty. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι] (h : s.Nonempty) :
@@ -965,6 +1521,12 @@ theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι
   exact s.sum_centroid_weights_eq_one_of_nonempty k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_nonempty Finset.sum_centroidWeightsIndicator_eq_one_of_nonempty
 
+/- warning: finset.sum_centroid_weights_indicator_eq_one_of_card_eq_add_one -> Finset.sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align finset.sum_centroid_weights_indicator_eq_one_of_card_eq_add_one Finset.sum_centroidWeightsIndicator_eq_one_of_card_eq_add_oneₓ'. -/
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `fintype` sum to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fintype ι] {n : ℕ}
@@ -976,12 +1538,24 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fin
 
 include V
 
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+Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintypeₓ'. -/
 /-- The centroid as an affine combination over a `fintype`. -/
 theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
     s.centroid k p = univ.affineCombination k p (s.centroidWeightsIndicator k) :=
   affineCombination_indicator_subset _ _ (subset_univ _)
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
 
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+Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_onₓ'. -/
 /- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 /-- An indexed family of points that is injective on the given
 `finset` has the same centroid as the image of that `finset`.  This is
@@ -1017,6 +1591,12 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
   rw [(hf' x).2]
 #align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_on
 
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+Case conversion may be inaccurate. Consider using '#align finset.centroid_eq_of_inj_on_of_image_eq Finset.centroid_eq_of_inj_on_of_image_eqₓ'. -/
 /- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 /- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
 /-- Two indexed families of points that are injective on the given
@@ -1041,18 +1621,24 @@ variable {ι : Type _}
 
 include V
 
+/- warning: weighted_vsub_mem_vector_span -> weightedVSub_mem_vectorSpan is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpanₓ'. -/
 /-- A `weighted_vsub` with sum of weights 0 is in the `vector_span` of
 an indexed family. -/
-theorem weightedVsub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i in s, w i) = 0)
-    (p : ι → P) : s.weightedVsub p w ∈ vectorSpan k (Set.range p) := by
+theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i in s, w i) = 0)
+    (p : ι → P) : s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by
   classical
     rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
     · skip
       simp [Finset.eq_empty_of_isEmpty s]
     · rw [vectorSpan_range_eq_span_range_vsub_right k p i0, ← Set.image_univ,
         Finsupp.mem_span_image_iff_total,
-        Finset.weightedVsub_eq_weightedVsubOfPoint_of_sum_eq_zero s w p h (p i0),
-        Finset.weightedVsubOfPoint_apply]
+        Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero s w p h (p i0),
+        Finset.weightedVSubOfPoint_apply]
       let w' := Set.indicator (↑s) w
       have hwx : ∀ i, w' i ≠ 0 → i ∈ s := fun i => Set.mem_of_indicator_ne_zero
       use Finsupp.onFinset s w' hwx, Set.subset_univ _
@@ -1061,8 +1647,14 @@ theorem weightedVsub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
         intro i hi
         simp [w', Set.indicator_apply, if_pos hi]
       · exact fun _ => zero_smul k _
-#align weighted_vsub_mem_vector_span weightedVsub_mem_vectorSpan
-
+#align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpan
+
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+Case conversion may be inaccurate. Consider using '#align affine_combination_mem_affine_span affineCombination_mem_affineSpanₓ'. -/
 /-- An `affine_combination` with sum of weights 1 is in the
 `affine_span` of an indexed family, if the underlying ring is
 nontrivial. -/
@@ -1082,7 +1674,7 @@ theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι
     have hv : s.affine_combination k p w -ᵥ p i1 ∈ (affineSpan k (Set.range p)).direction :=
       by
       rw [direction_affineSpan, ← hw1s, Finset.affineCombination_vsub]
-      apply weightedVsub_mem_vectorSpan
+      apply weightedVSub_mem_vectorSpan
       simp [Pi.sub_apply, h, hw1]
     rw [← vsub_vadd (s.affine_combination k p w) (p i1)]
     exact AffineSubspace.vadd_mem_of_mem_direction hv (mem_affineSpan k (Set.mem_range_self _))
@@ -1090,11 +1682,17 @@ theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι
 
 variable (k) {V}
 
+/- warning: mem_vector_span_iff_eq_weighted_vsub -> mem_vectorSpan_iff_eq_weightedVSub is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSubₓ'. -/
 /-- A vector is in the `vector_span` of an indexed family if and only
 if it is a `weighted_vsub` with sum of weights 0. -/
-theorem mem_vectorSpan_iff_eq_weightedVsub {v : V} {p : ι → P} :
+theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
     v ∈ vectorSpan k (Set.range p) ↔
-      ∃ (s : Finset ι)(w : ι → k)(h : (∑ i in s, w i) = 0), v = s.weightedVsub p w :=
+      ∃ (s : Finset ι)(w : ι → k)(h : (∑ i in s, w i) = 0), v = s.weightedVSub p w :=
   by
   classical
     constructor
@@ -1118,8 +1716,8 @@ theorem mem_vectorSpan_iff_eq_weightedVsub {v : V} {p : ι → P} :
         use hw
         have hz : w i0 • (p i0 -ᵥ p i0 : V) = 0 := (vsub_self (p i0)).symm ▸ smul_zero _
         change (fun i => w i • (p i -ᵥ p i0 : V)) i0 = 0 at hz
-        rw [Finset.weightedVsub_eq_weightedVsubOfPoint_of_sum_eq_zero _ w p hw (p i0),
-          Finset.weightedVsubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
+        rw [Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero _ w p hw (p i0),
+          Finset.weightedVSubOfPoint_apply, ← hv, Finsupp.total_apply, Finset.sum_insert_zero hz]
         change (∑ i in l.support, l i • _) = _
         congr with i
         by_cases h : i = i0
@@ -1131,11 +1729,17 @@ theorem mem_vectorSpan_iff_eq_weightedVsub {v : V} {p : ι → P} :
         use ∅
         simp
     · rintro ⟨s, w, hw, rfl⟩
-      exact weightedVsub_mem_vectorSpan hw p
-#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVsub
+      exact weightedVSub_mem_vectorSpan hw p
+#align mem_vector_span_iff_eq_weighted_vsub mem_vectorSpan_iff_eq_weightedVSub
 
 variable {k}
 
+/- warning: eq_affine_combination_of_mem_affine_span -> eq_affineCombination_of_mem_affineSpan is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpanₓ'. -/
 /-- A point in the `affine_span` of an indexed family is an
 `affine_combination` with sum of weights 1. See also
 `eq_affine_combination_of_mem_affine_span_of_fintype`. -/
@@ -1149,7 +1753,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     have h0 : p i0 ∈ affineSpan k (Set.range p) := mem_affineSpan k (Set.mem_range_self i0)
     have hd : p1 -ᵥ p i0 ∈ (affineSpan k (Set.range p)).direction :=
       AffineSubspace.vsub_mem_direction h h0
-    rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVsub] at hd
+    rw [direction_affineSpan, mem_vectorSpan_iff_eq_weightedVSub] at hd
     rcases hd with ⟨s, w, h, hs⟩
     let s' := insert i0 s
     let w' := Set.indicator (↑s) w
@@ -1158,7 +1762,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     have hs' : s'.weighted_vsub p w' = p1 -ᵥ p i0 :=
       by
       rw [hs]
-      exact (Finset.weightedVsub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm
+      exact (Finset.weightedVSub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm
     let w0 : ι → k := Function.update (Function.const ι 0) i0 1
     have hw0 : (∑ i in s', w0 i) = 1 := by
       rw [Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero, add_zero]
@@ -1168,9 +1772,15 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     use s', w0 + w'
     constructor
     · simp [Pi.add_apply, Finset.sum_add_distrib, hw0, h']
-    · rw [add_comm, ← Finset.weightedVsub_vadd_affineCombination, hw0s, hs', vsub_vadd]
+    · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
 #align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpan
 
+/- warning: eq_affine_combination_of_mem_affine_span_of_fintype -> eq_affineCombination_of_mem_affineSpan_of_fintype is a dubious translation:
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align eq_affine_combination_of_mem_affine_span_of_fintype eq_affineCombination_of_mem_affineSpan_of_fintypeₓ'. -/
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
     ∃ (w : ι → k)(hw : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination k p w := by
@@ -1184,6 +1794,12 @@ theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P}
 
 variable (k V)
 
+/- warning: mem_affine_span_iff_eq_affine_combination -> mem_affineSpan_iff_eq_affineCombination is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombinationₓ'. -/
 /-- A point is in the `affine_span` of an indexed family if and only
 if it is an `affine_combination` with sum of weights 1, provided the
 underlying ring is nontrivial. -/
@@ -1197,12 +1813,18 @@ theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι
     exact affineCombination_mem_affineSpan hw p
 #align mem_affine_span_iff_eq_affine_combination mem_affineSpan_iff_eq_affineCombination
 
+/- warning: mem_affine_span_iff_eq_weighted_vsub_of_point_vadd -> mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd is a dubious translation:
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+Case conversion may be inaccurate. Consider using '#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vaddₓ'. -/
 /-- Given a family of points together with a chosen base point in that family, membership of the
 affine span of this family corresponds to an identity in terms of `weighted_vsub_of_point`, with
 weights that are not required to sum to 1. -/
-theorem mem_affineSpan_iff_eq_weightedVsubOfPoint_vadd [Nontrivial k] (p : ι → P) (j : ι) (q : P) :
+theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι → P) (j : ι) (q : P) :
     q ∈ affineSpan k (Set.range p) ↔
-      ∃ (s : Finset ι)(w : ι → k), q = s.weightedVsubOfPoint p (p j) w +ᵥ p j :=
+      ∃ (s : Finset ι)(w : ι → k), q = s.weightedVSubOfPoint p (p j) w +ᵥ p j :=
   by
   constructor
   · intro hq
@@ -1220,12 +1842,18 @@ theorem mem_affineSpan_iff_eq_weightedVsubOfPoint_vadd [Nontrivial k] (p : ι 
         simp [w', hij]
       rw [s.weighted_vsub_of_point_eq_of_weights_eq p j w w' hww, ←
         s.weighted_vsub_of_point_insert w' p j, ←
-        (insert j s).affineCombination_eq_weightedVsubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]
+        (insert j s).affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]
       exact affineCombination_mem_affineSpan h₁ p
-#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVsubOfPoint_vadd
+#align mem_affine_span_iff_eq_weighted_vsub_of_point_vadd mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd
 
 variable {k V}
 
+/- warning: affine_span_eq_affine_span_line_map_units -> affineSpan_eq_affineSpan_lineMap_units is a dubious translation:
+lean 3 declaration is
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+but is expected to have type
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+Case conversion may be inaccurate. Consider using '#align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_unitsₓ'. -/
 /-- Given a set of points, together with a chosen base point in this set, if we affinely transport
 all other members of the set along the line joining them to this base point, the affine span is
 unchanged. -/
@@ -1236,7 +1864,7 @@ theorem affineSpan_eq_affineSpan_lineMap_units [Nontrivial k] {s : Set P} {p : P
   have : s = Set.range (coe : s → P) := by simp
   conv_rhs => rw [this]
   apply le_antisymm <;> intro q hq <;>
-            erw [mem_affineSpan_iff_eq_weightedVsubOfPoint_vadd k V _ (⟨p, hp⟩ : s) q] at hq⊢ <;>
+            erw [mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd k V _ (⟨p, hp⟩ : s) q] at hq⊢ <;>
           obtain ⟨t, μ, rfl⟩ := hq <;>
         use t <;>
       [use fun x => μ x * ↑(w x), use fun x => μ x * ↑(w x)⁻¹] <;>
@@ -1255,6 +1883,12 @@ include V
 
 open Set Finset
 
+/- warning: centroid_mem_affine_span_of_cast_card_ne_zero -> centroid_mem_affineSpan_of_cast_card_ne_zero is a dubious translation:
+lean 3 declaration is
+  forall {k : Type.{u1}} {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} (p : ι -> P), (Ne.{succ u1} k ((fun (a : Type) (b : Type.{u1}) [self : HasLiftT.{1, succ u1} a b] => self.0) Nat k (HasLiftT.mk.{1, succ u1} Nat k (CoeTCₓ.coe.{1, succ u1} Nat k (Nat.castCoe.{u1} k (AddMonoidWithOne.toNatCast.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))) (Finset.card.{u4} ι s)) (OfNat.ofNat.{u1} k 0 (OfNat.mk.{u1} k 0 (Zero.zero.{u1} k (MulZeroClass.toHasZero.{u1} k (NonUnitalNonAssocSemiring.toMulZeroClass.{u1} k (NonUnitalNonAssocRing.toNonUnitalNonAssocSemiring.{u1} k (NonAssocRing.toNonUnitalNonAssocRing.{u1} k (Ring.toNonAssocRing.{u1} k (DivisionRing.toRing.{u1} k _inst_1)))))))))) -> (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
+but is expected to have type
+  forall {k : Type.{u3}} {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u3} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u3, u1} k V (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u4}} {s : Finset.{u4} ι} (p : ι -> P), (Ne.{succ u3} k (Nat.cast.{u3} k (NonAssocRing.toNatCast.{u3} k (Ring.toNonAssocRing.{u3} k (DivisionRing.toRing.{u3} k _inst_1))) (Finset.card.{u4} ι s)) (OfNat.ofNat.{u3} k 0 (Zero.toOfNat0.{u3} k (MonoidWithZero.toZero.{u3} k (Semiring.toMonoidWithZero.{u3} k (DivisionSemiring.toSemiring.{u3} k (DivisionRing.toDivisionSemiring.{u3} k _inst_1))))))) -> (Membership.mem.{u2, u2} P (AffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u3, u1, u2, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u3, u1, u2} k V P (DivisionRing.toRing.{u3} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u4} P ι p)))
+Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_cast_card_ne_zero centroid_mem_affineSpan_of_cast_card_ne_zeroₓ'. -/
 /-- The centroid lies in the affine span if the number of points,
 converted to `k`, is not zero. -/
 theorem centroid_mem_affineSpan_of_cast_card_ne_zero {s : Finset ι} (p : ι → P)
@@ -1264,6 +1898,12 @@ theorem centroid_mem_affineSpan_of_cast_card_ne_zero {s : Finset ι} (p : ι →
 
 variable (k)
 
+/- warning: centroid_mem_affine_span_of_card_ne_zero -> centroid_mem_affineSpan_of_card_ne_zero is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))] {s : Finset.{u4} ι} (p : ι -> P), (Ne.{1} Nat (Finset.card.{u4} ι s) (OfNat.ofNat.{0} Nat 0 (OfNat.mk.{0} Nat 0 (Zero.zero.{0} Nat Nat.hasZero)))) -> (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
+but is expected to have type
+  forall (k : Type.{u4}) {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (DivisionSemiring.toSemiring.{u4} k (DivisionRing.toDivisionSemiring.{u4} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} [_inst_5 : CharZero.{u4} k (AddGroupWithOne.toAddMonoidWithOne.{u4} k (Ring.toAddGroupWithOne.{u4} k (DivisionRing.toRing.{u4} k _inst_1)))] {s : Finset.{u3} ι} (p : ι -> P), (Ne.{1} Nat (Finset.card.{u3} ι s) (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0))) -> (Membership.mem.{u2, u2} P (AffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u3} P ι p)))
+Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_card_ne_zero centroid_mem_affineSpan_of_card_ne_zeroₓ'. -/
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the number of points is not zero. -/
 theorem centroid_mem_affineSpan_of_card_ne_zero [CharZero k] {s : Finset ι} (p : ι → P)
@@ -1271,6 +1911,12 @@ theorem centroid_mem_affineSpan_of_card_ne_zero [CharZero k] {s : Finset ι} (p
   affineCombination_mem_affineSpan (s.sum_centroidWeights_eq_one_of_card_ne_zero k h) p
 #align centroid_mem_affine_span_of_card_ne_zero centroid_mem_affineSpan_of_card_ne_zero
 
+/- warning: centroid_mem_affine_span_of_nonempty -> centroid_mem_affineSpan_of_nonempty is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))] {s : Finset.{u4} ι} (p : ι -> P), (Finset.Nonempty.{u4} ι s) -> (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
+but is expected to have type
+  forall (k : Type.{u4}) {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (DivisionSemiring.toSemiring.{u4} k (DivisionRing.toDivisionSemiring.{u4} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} [_inst_5 : CharZero.{u4} k (AddGroupWithOne.toAddMonoidWithOne.{u4} k (Ring.toAddGroupWithOne.{u4} k (DivisionRing.toRing.{u4} k _inst_1)))] {s : Finset.{u3} ι} (p : ι -> P), (Finset.Nonempty.{u3} ι s) -> (Membership.mem.{u2, u2} P (AffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u3} P ι p)))
+Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_nonempty centroid_mem_affineSpan_of_nonemptyₓ'. -/
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the set is nonempty. -/
 theorem centroid_mem_affineSpan_of_nonempty [CharZero k] {s : Finset ι} (p : ι → P)
@@ -1278,6 +1924,12 @@ theorem centroid_mem_affineSpan_of_nonempty [CharZero k] {s : Finset ι} (p : ι
   affineCombination_mem_affineSpan (s.sum_centroidWeights_eq_one_of_nonempty k h) p
 #align centroid_mem_affine_span_of_nonempty centroid_mem_affineSpan_of_nonempty
 
+/- warning: centroid_mem_affine_span_of_card_eq_add_one -> centroid_mem_affineSpan_of_card_eq_add_one is a dubious translation:
+lean 3 declaration is
+  forall (k : Type.{u1}) {V : Type.{u2}} {P : Type.{u3}} [_inst_1 : DivisionRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (DivisionRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}} [_inst_5 : CharZero.{u1} k (AddGroupWithOne.toAddMonoidWithOne.{u1} k (AddCommGroupWithOne.toAddGroupWithOne.{u1} k (Ring.toAddCommGroupWithOne.{u1} k (DivisionRing.toRing.{u1} k _inst_1))))] {s : Finset.{u4} ι} (p : ι -> P) {n : Nat}, (Eq.{1} Nat (Finset.card.{u4} ι s) (HAdd.hAdd.{0, 0, 0} Nat Nat Nat (instHAdd.{0} Nat Nat.hasAdd) n (OfNat.ofNat.{0} Nat 1 (OfNat.mk.{0} Nat 1 (One.one.{0} Nat Nat.hasOne))))) -> (Membership.Mem.{u3, u3} P (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.hasMem.{u3, u3} (AffineSubspace.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.setLike.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u1, u2, u3, u4} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u1, u2, u3} k V P (DivisionRing.toRing.{u1} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u3, succ u4} P ι p)))
+but is expected to have type
+  forall (k : Type.{u4}) {V : Type.{u1}} {P : Type.{u2}} [_inst_1 : DivisionRing.{u4} k] [_inst_2 : AddCommGroup.{u1} V] [_inst_3 : Module.{u4, u1} k V (DivisionSemiring.toSemiring.{u4} k (DivisionRing.toDivisionSemiring.{u4} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u1} V _inst_2)] [_inst_4 : AddTorsor.{u1, u2} V P (AddCommGroup.toAddGroup.{u1} V _inst_2)] {ι : Type.{u3}} [_inst_5 : CharZero.{u4} k (AddGroupWithOne.toAddMonoidWithOne.{u4} k (Ring.toAddGroupWithOne.{u4} k (DivisionRing.toRing.{u4} k _inst_1)))] {s : Finset.{u3} ι} (p : ι -> P) {n : Nat}, (Eq.{1} Nat (Finset.card.{u3} ι s) (HAdd.hAdd.{0, 0, 0} Nat Nat Nat (instHAdd.{0} Nat instAddNat) n (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)))) -> (Membership.mem.{u2, u2} P (AffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4) (SetLike.instMembership.{u2, u2} (AffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4) P (AffineSubspace.instSetLikeAffineSubspace.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4)) (Finset.centroid.{u4, u1, u2, u3} k V P _inst_1 _inst_2 _inst_3 _inst_4 ι s p) (affineSpan.{u4, u1, u2} k V P (DivisionRing.toRing.{u4} k _inst_1) _inst_2 _inst_3 _inst_4 (Set.range.{u2, succ u3} P ι p)))
+Case conversion may be inaccurate. Consider using '#align centroid_mem_affine_span_of_card_eq_add_one centroid_mem_affineSpan_of_card_eq_add_oneₓ'. -/
 /-- In the characteristic zero case, the centroid lies in the affine
 span if the number of points is `n + 1`. -/
 theorem centroid_mem_affineSpan_of_card_eq_add_one [CharZero k] {s : Finset ι} (p : ι → P) {n : ℕ}
@@ -1295,17 +1947,23 @@ variable [affine_space V P] {ι : Type _} (s : Finset ι)
 
 include V
 
+/- warning: affine_map.weighted_vsub_of_point -> AffineMap.weightedVSubOfPoint is a dubious translation:
+lean 3 declaration is
+  forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u4 u2, max u4 u3, u2, u2} k (Prod.{max u4 u2, u2} (ι -> V) V) (Prod.{max u4 u3, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.addCommGroup.{max u4 u2, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u4 u2, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.Function.module.{u4, u1, u2} ι k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) _inst_3) _inst_3) (Prod.addTorsor.{max u4 u2, max u4 u3, u2, u3} (ι -> V) (ι -> P) V P (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (Pi.addTorsor.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2) (fun (ᾰ : ι) => P) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
+but is expected to have type
+  forall {k : Type.{u1}} {V : Type.{u2}} (P : Type.{u3}) [_inst_1 : CommRing.{u1} k] [_inst_2 : AddCommGroup.{u2} V] [_inst_3 : Module.{u1, u2} k V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2)] [_inst_4 : AddTorsor.{u2, u3} V P (AddCommGroup.toAddGroup.{u2} V _inst_2)] {ι : Type.{u4}}, (Finset.{u4} ι) -> (ι -> k) -> (AffineMap.{u1, max u2 u4, max u3 u4, u2, u2} k (Prod.{max u2 u4, u2} (ι -> V) V) (Prod.{max u3 u4, u3} (ι -> P) P) V V (CommRing.toRing.{u1} k _inst_1) (Prod.instAddCommGroupSum.{max u2 u4, u2} (ι -> V) V (Pi.addCommGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => _inst_2)) _inst_2) (Prod.module.{u1, max u2 u4, u2} k (ι -> V) V (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (Pi.addCommMonoid.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2)) (AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (Pi.module.{u4, u2, u1} ι (fun (i : ι) => V) k (Ring.toSemiring.{u1} k (CommRing.toRing.{u1} k _inst_1)) (fun (i : ι) => AddCommGroup.toAddCommMonoid.{u2} V _inst_2) (fun (i : ι) => _inst_3)) _inst_3) (Prod.instAddTorsorProdProdInstAddGroupSum.{max u2 u4, max u3 u4, u2, u3} (ι -> V) (ι -> P) V P (Pi.addGroup.{u4, u2} ι (fun (i : ι) => V) (fun (i : ι) => AddCommGroup.toAddGroup.{u2} V _inst_2)) (AddCommGroup.toAddGroup.{u2} V _inst_2) (AffineMap.instAddTorsorForAllForAllAddGroupToAddGroup.{u4, u2, u3} ι (fun (i : ι) => V) (fun (i : ι) => P) (fun (ᾰ : ι) => _inst_2) (fun (i : ι) => _inst_4)) _inst_4) _inst_2 _inst_3 (addGroupIsAddTorsor.{u2} V (AddCommGroup.toAddGroup.{u2} V _inst_2)))
+Case conversion may be inaccurate. Consider using '#align affine_map.weighted_vsub_of_point AffineMap.weightedVSubOfPointₓ'. -/
 -- TODO: define `affine_map.proj`, `affine_map.fst`, `affine_map.snd`
 /-- A weighted sum, as an affine map on the points involved. -/
-def weightedVsubOfPoint (w : ι → k) : (ι → P) × P →ᵃ[k] V
+def weightedVSubOfPoint (w : ι → k) : (ι → P) × P →ᵃ[k] V
     where
-  toFun p := s.weightedVsubOfPoint p.fst p.snd w
+  toFun p := s.weightedVSubOfPoint p.fst p.snd w
   linear := ∑ i in s, w i • ((LinearMap.proj i).comp (LinearMap.fst _ _ _) - LinearMap.snd _ _ _)
   map_vadd' := by
     rintro ⟨p, b⟩ ⟨v, b'⟩
-    simp [LinearMap.sum_apply, Finset.weightedVsubOfPoint, vsub_vadd_eq_vsub_sub, vadd_vsub_assoc,
+    simp [LinearMap.sum_apply, Finset.weightedVSubOfPoint, vsub_vadd_eq_vsub_sub, vadd_vsub_assoc,
       add_sub, ← sub_add_eq_add_sub, smul_add, Finset.sum_add_distrib]
-#align affine_map.weighted_vsub_of_point AffineMap.weightedVsubOfPoint
+#align affine_map.weighted_vsub_of_point AffineMap.weightedVSubOfPoint
 
 end AffineMap
 

mathlib commit https://github.com/leanprover-community/mathlib/commit/b685f506164f8d17a6404048bc4d696739c5d976

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
 
 ! This file was ported from Lean 3 source module linear_algebra.affine_space.combination
-! leanprover-community/mathlib commit 87c54600fe3cdc7d32ff5b50873ac724d86aef8d
+! leanprover-community/mathlib commit 2de9c37fa71dde2f1c6feff19876dd6a7b1519f0
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -376,6 +376,8 @@ theorem weightedVsub_const_smul (w : ι → k) (p : ι → P) (c : k) :
   s.weightedVsubOfPoint_const_smul _ _ _ _
 #align finset.weighted_vsub_const_smul Finset.weightedVsub_const_smul
 
+variable (k)
+
 /-- A weighted sum of the results of subtracting a default base point
 from the given points, added to that base point, as an affine map on
 the weights.  This is intended to be used when the sum of the weights
@@ -393,10 +395,12 @@ def affineCombination (p : ι → P) : (ι → k) →ᵃ[k] P
 `weighted_vsub`. -/
 @[simp]
 theorem affineCombination_linear (p : ι → P) :
-    (s.affineCombination p : (ι → k) →ᵃ[k] P).linear = s.weightedVsub p :=
+    (s.affineCombination k p).linear = s.weightedVsub p :=
   rfl
 #align finset.affine_combination_linear Finset.affineCombination_linear
 
+variable {k}
+
 /-- Applying `affine_combination` with given weights.  This is for the
 case where a result involving a default base point is OK (for example,
 when that base point will cancel out later); a more typical use case
@@ -405,7 +409,7 @@ point with
 `affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one` and
 then using `weighted_vsub_of_point_apply`. -/
 theorem affineCombination_apply (w : ι → k) (p : ι → P) :
-    s.affineCombination p w =
+    s.affineCombination k p w =
       s.weightedVsubOfPoint p (Classical.choice S.Nonempty) w +ᵥ Classical.choice S.Nonempty :=
   rfl
 #align finset.affine_combination_apply Finset.affineCombination_apply
@@ -413,14 +417,14 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
 /-- The value of `affine_combination`, where the given points are equal. -/
 @[simp]
 theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 1) :
-    s.affineCombination (fun _ => p) w = p := by
+    s.affineCombination k (fun _ => p) w = p := by
   rw [affine_combination_apply, s.weighted_vsub_of_point_apply_const, h, one_smul, vsub_vadd]
 #align finset.affine_combination_apply_const Finset.affineCombination_apply_const
 
 /-- `affine_combination` gives equal results for two families of weights and two families of
 points that are equal on `s`. -/
 theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i = w₂ i) {p₁ p₂ : ι → P}
-    (hp : ∀ i ∈ s, p₁ i = p₂ i) : s.affineCombination p₁ w₁ = s.affineCombination p₂ w₂ := by
+    (hp : ∀ i ∈ s, p₁ i = p₂ i) : s.affineCombination k p₁ w₁ = s.affineCombination k p₂ w₂ := by
   simp_rw [affine_combination_apply, s.weighted_vsub_of_point_congr hw hp]
 #align finset.affine_combination_congr Finset.affineCombination_congr
 
@@ -428,25 +432,25 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 sum of the weights is 1. -/
 theorem affineCombination_eq_weightedVsubOfPoint_vadd_of_sum_eq_one (w : ι → k) (p : ι → P)
     (h : (∑ i in s, w i) = 1) (b : P) :
-    s.affineCombination p w = s.weightedVsubOfPoint p b w +ᵥ b :=
+    s.affineCombination k p w = s.weightedVsubOfPoint p b w +ᵥ b :=
   s.weightedVsubOfPoint_vadd_eq_of_sum_eq_one w p h _ _
 #align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVsubOfPoint_vadd_of_sum_eq_one
 
 /-- Adding a `weighted_vsub` to an `affine_combination`. -/
 theorem weightedVsub_vadd_affineCombination (w₁ w₂ : ι → k) (p : ι → P) :
-    s.weightedVsub p w₁ +ᵥ s.affineCombination p w₂ = s.affineCombination p (w₁ + w₂) := by
+    s.weightedVsub p w₁ +ᵥ s.affineCombination k p w₂ = s.affineCombination k p (w₁ + w₂) := by
   rw [← vadd_eq_add, AffineMap.map_vadd, affine_combination_linear]
 #align finset.weighted_vsub_vadd_affine_combination Finset.weightedVsub_vadd_affineCombination
 
 /-- Subtracting two `affine_combination`s. -/
 theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
-    s.affineCombination p w₁ -ᵥ s.affineCombination p w₂ = s.weightedVsub p (w₁ - w₂) := by
+    s.affineCombination k p w₁ -ᵥ s.affineCombination k p w₂ = s.weightedVsub p (w₁ - w₂) := by
   rw [← AffineMap.linearMap_vsub, affine_combination_linear, vsub_eq_sub]
 #align finset.affine_combination_vsub Finset.affineCombination_vsub
 
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
-    s.attach.affineCombination f (w ∘ f) = (image f univ).affineCombination id w :=
+    s.attach.affineCombination k f (w ∘ f) = (image f univ).affineCombination k id w :=
   by
   simp only [affine_combination, weighted_vsub_of_point_apply, id.def, vadd_right_cancel_iff,
     Function.comp_apply, AffineMap.coe_mk]
@@ -461,7 +465,7 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
 #align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injective
 
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :
-    s.attach.affineCombination (coe : s → P) (w ∘ coe) = s.affineCombination id w := by
+    s.attach.affineCombination k (coe : s → P) (w ∘ coe) = s.affineCombination k id w := by
   classical rw [attach_affine_combination_of_injective s w (coe : s → P) Subtype.coe_injective,
       univ_eq_attach, attach_image_coe]
 #align finset.attach_affine_combination_coe Finset.attach_affineCombination_coe
@@ -480,7 +484,7 @@ theorem weightedVsub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
 combinations. -/
 @[simp]
 theorem affineCombination_eq_linear_combination (s : Finset ι) (p : ι → V) (w : ι → k)
-    (hw : (∑ i in s, w i) = 1) : s.affineCombination p w = ∑ i in s, w i • p i := by
+    (hw : (∑ i in s, w i) = 1) : s.affineCombination k p w = ∑ i in s, w i • p i := by
   simp [s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w p hw 0]
 #align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combination
 
@@ -490,7 +494,7 @@ include S
 and has weight 1 and the other points in the set have weight 0. -/
 @[simp]
 theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i : ι} (his : i ∈ s)
-    (hwi : w i = 1) (hw0 : ∀ i2 ∈ s, i2 ≠ i → w i2 = 0) : s.affineCombination p w = p i :=
+    (hwi : w i = 1) (hw0 : ∀ i2 ∈ s, i2 ≠ i → w i2 = 0) : s.affineCombination k p w = p i :=
   by
   have h1 : (∑ i in s, w i) = 1 := hwi ▸ sum_eq_single i hw0 fun h => False.elim (h his)
   rw [s.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one w p h1 (p i),
@@ -506,7 +510,8 @@ theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i
 /-- An affine combination is unaffected by changing the weights to the
 corresponding indicator function and adding points to the set. -/
 theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s₂ : Finset ι}
-    (h : s₁ ⊆ s₂) : s₁.affineCombination p w = s₂.affineCombination p (Set.indicator (↑s₁) w) := by
+    (h : s₁ ⊆ s₂) : s₁.affineCombination k p w = s₂.affineCombination k p (Set.indicator (↑s₁) w) :=
+  by
   rw [affine_combination_apply, affine_combination_apply,
     weighted_vsub_of_point_indicator_subset _ _ _ h]
 #align finset.affine_combination_indicator_subset Finset.affineCombination_indicator_subset
@@ -515,14 +520,14 @@ theorem affineCombination_indicator_subset (w : ι → k) (p : ι → P) {s₁ s
 affine combination with the same points and weights over the original
 `finset`. -/
 theorem affineCombination_map (e : ι₂ ↪ ι) (w : ι → k) (p : ι → P) :
-    (s₂.map e).affineCombination p w = s₂.affineCombination (p ∘ e) (w ∘ e) := by
+    (s₂.map e).affineCombination k p w = s₂.affineCombination k (p ∘ e) (w ∘ e) := by
   simp_rw [affine_combination_apply, weighted_vsub_of_point_map]
 #align finset.affine_combination_map Finset.affineCombination_map
 
 /-- A weighted sum of pairwise subtractions, expressed as a subtraction of two `affine_combination`
 expressions. -/
 theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι → P) :
-    (∑ i in s, w i • (p₁ i -ᵥ p₂ i)) = s.affineCombination p₁ w -ᵥ s.affineCombination p₂ w :=
+    (∑ i in s, w i • (p₁ i -ᵥ p₂ i)) = s.affineCombination k p₁ w -ᵥ s.affineCombination k p₂ w :=
   by
   simp_rw [affine_combination_apply, vadd_vsub_vadd_cancel_right]
   exact s.sum_smul_vsub_eq_weighted_vsub_of_point_sub _ _ _ _
@@ -531,21 +536,21 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι → P) (p₂ : P)
-    (h : (∑ i in s, w i) = 1) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.affineCombination p₁ w -ᵥ p₂ :=
+    (h : (∑ i in s, w i) = 1) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.affineCombination k p₁ w -ᵥ p₂ :=
   by rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsub
 
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι → P) (p₁ : P)
-    (h : (∑ i in s, w i) = 1) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = p₁ -ᵥ s.affineCombination p₂ w :=
+    (h : (∑ i in s, w i) = 1) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = p₁ -ᵥ s.affineCombination k p₂ w :=
   by rw [sum_smul_vsub_eq_affine_combination_vsub, affine_combination_apply_const _ _ _ h]
 #align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombination
 
 /-- A weighted sum may be split into a subtraction of affine combinations over two subsets. -/
 theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s₂ ⊆ s) (w : ι → k)
     (p : ι → P) :
-    (s \ s₂).affineCombination p w -ᵥ s₂.affineCombination p (-w) = s.weightedVsub p w :=
+    (s \ s₂).affineCombination k p w -ᵥ s₂.affineCombination k p (-w) = s.weightedVsub p w :=
   by
   simp_rw [affine_combination_apply, vadd_vsub_vadd_cancel_right]
   exact s.weighted_vsub_sdiff_sub h _ _
@@ -555,7 +560,7 @@ theorem affineCombination_sdiff_sub [DecidableEq ι] {s₂ : Finset ι} (h : s
 the affine combination of the other points with the given weights. -/
 theorem affineCombination_eq_of_weightedVsub_eq_zero_of_eq_neg_one {w : ι → k} {p : ι → P}
     (hw : s.weightedVsub p w = (0 : V)) {i : ι} [DecidablePred (· ≠ i)] (his : i ∈ s)
-    (hwi : w i = -1) : (s.filterₓ (· ≠ i)).affineCombination p w = p i := by
+    (hwi : w i = -1) : (s.filterₓ (· ≠ i)).affineCombination k p w = p i := by
   classical
     rw [← @vsub_eq_zero_iff_eq V, ← hw, ←
       s.affine_combination_sdiff_sub (singleton_subset_iff.2 his), sdiff_singleton_eq_erase, ←
@@ -569,8 +574,8 @@ theorem affineCombination_eq_of_weightedVsub_eq_zero_of_eq_neg_one {w : ι → k
 /-- An affine combination over `s.subtype pred` equals one over `s.filter pred`. -/
 theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred : ι → Prop)
     [DecidablePred pred] :
-    ((s.Subtype pred).affineCombination (fun i => p i) fun i => w i) =
-      (s.filterₓ pred).affineCombination p w :=
+    ((s.Subtype pred).affineCombination k (fun i => p i) fun i => w i) =
+      (s.filterₓ pred).affineCombination k p w :=
   by
   rw [affine_combination_apply, affine_combination_apply, weighted_vsub_of_point_subtype_eq_filter]
 #align finset.affine_combination_subtype_eq_filter Finset.affineCombination_subtype_eq_filter
@@ -579,7 +584,7 @@ theorem affineCombination_subtype_eq_filter (w : ι → k) (p : ι → P) (pred
 in `s` not satisfying `pred` are zero. -/
 theorem affineCombination_filter_of_ne (w : ι → k) (p : ι → P) {pred : ι → Prop}
     [DecidablePred pred] (h : ∀ i ∈ s, w i ≠ 0 → pred i) :
-    (s.filterₓ pred).affineCombination p w = s.affineCombination p w := by
+    (s.filterₓ pred).affineCombination k p w = s.affineCombination k p w := by
   rw [affine_combination_apply, affine_combination_apply,
     s.weighted_vsub_of_point_filter_of_ne _ _ _ h]
 #align finset.affine_combination_filter_of_ne Finset.affineCombination_filter_of_ne
@@ -640,9 +645,9 @@ subset. -/
 theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s : Set ι}
     {p : ι → P} :
     (∃ (fs : Finset ι)(hfs : ↑fs ⊆ s)(w : ι → k)(hw : (∑ i in fs, w i) = 1),
-        p0 = fs.affineCombination p w) ↔
+        p0 = fs.affineCombination k p w) ↔
       ∃ (fs : Finset s)(w : s → k)(hw : (∑ i in fs, w i) = 1),
-        p0 = fs.affineCombination (fun i : s => p i) w :=
+        p0 = fs.affineCombination k (fun i : s => p i) w :=
   by
   simp_rw [affine_combination_apply, eq_vadd_iff_vsub_eq]
   exact eq_weighted_vsub_of_point_subset_iff_eq_weighted_vsub_of_point_subtype
@@ -653,7 +658,7 @@ variable {k V}
 /-- Affine maps commute with affine combinations. -/
 theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [affine_space V₂ P₂]
     (p : ι → P) (w : ι → k) (hw : s.Sum w = 1) (f : P →ᵃ[k] P₂) :
-    f (s.affineCombination p w) = s.affineCombination (f ∘ p) w :=
+    f (s.affineCombination k p w) = s.affineCombination k (f ∘ p) w :=
   by
   have b := Classical.choice (inferInstance : affine_space V P).Nonempty
   have b₂ := Classical.choice (inferInstance : affine_space V₂ P₂).Nonempty
@@ -770,7 +775,7 @@ variable (k)
 /-- An affine combination with `affine_combination_single_weights` gives the specified point. -/
 @[simp]
 theorem affineCombination_affineCombinationSingleWeights [DecidableEq ι] (p : ι → P) {i : ι}
-    (hi : i ∈ s) : s.affineCombination p (affineCombinationSingleWeights k i) = p i :=
+    (hi : i ∈ s) : s.affineCombination k p (affineCombinationSingleWeights k i) = p i :=
   by
   refine' s.affine_combination_of_eq_one_of_eq_zero _ _ hi (by simp) _
   rintro j - hj
@@ -794,7 +799,7 @@ variable {k}
 @[simp]
 theorem affineCombination_affineCombinationLineMapWeights [DecidableEq ι] (p : ι → P) {i j : ι}
     (hi : i ∈ s) (hj : j ∈ s) (c : k) :
-    s.affineCombination p (affineCombinationLineMapWeights i j c) =
+    s.affineCombination k p (affineCombinationLineMapWeights i j c) =
       AffineMap.lineMap (p i) (p j) c :=
   by
   rw [affine_combination_line_map_weights, ← weighted_vsub_vadd_affine_combination,
@@ -862,11 +867,11 @@ include V
 is intended to be used in the case where the number of points,
 converted to `k`, is not zero. -/
 def centroid (p : ι → P) : P :=
-  s.affineCombination p (s.centroidWeights k)
+  s.affineCombination k p (s.centroidWeights k)
 #align finset.centroid Finset.centroid
 
 /-- The definition of the centroid. -/
-theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination p (s.centroidWeights k) :=
+theorem centroid_def (p : ι → P) : s.centroid k p = s.affineCombination k p (s.centroidWeights k) :=
   rfl
 #align finset.centroid_def Finset.centroid_def
 
@@ -973,7 +978,7 @@ include V
 
 /-- The centroid as an affine combination over a `fintype`. -/
 theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
-    s.centroid k p = univ.affineCombination p (s.centroidWeightsIndicator k) :=
+    s.centroid k p = univ.affineCombination k p (s.centroidWeightsIndicator k) :=
   affineCombination_indicator_subset _ _ (subset_univ _)
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
 
@@ -1062,8 +1067,8 @@ theorem weightedVsub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
 `affine_span` of an indexed family, if the underlying ring is
 nontrivial. -/
 theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι → k}
-    (h : (∑ i in s, w i) = 1) (p : ι → P) : s.affineCombination p w ∈ affineSpan k (Set.range p) :=
-  by
+    (h : (∑ i in s, w i) = 1) (p : ι → P) :
+    s.affineCombination k p w ∈ affineSpan k (Set.range p) := by
   classical
     have hnz : (∑ i in s, w i) ≠ 0 := h.symm ▸ one_ne_zero
     have hn : s.nonempty := Finset.nonempty_of_sum_ne_zero hnz
@@ -1071,15 +1076,15 @@ theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι
     let w1 : ι → k := Function.update (Function.const ι 0) i1 1
     have hw1 : (∑ i in s, w1 i) = 1 := by
       rw [Finset.sum_update_of_mem hi1, Finset.sum_const_zero, add_zero]
-    have hw1s : s.affine_combination p w1 = p i1 :=
+    have hw1s : s.affine_combination k p w1 = p i1 :=
       s.affine_combination_of_eq_one_of_eq_zero w1 p hi1 (Function.update_same _ _ _) fun _ _ hne =>
         Function.update_noteq hne _ _
-    have hv : s.affine_combination p w -ᵥ p i1 ∈ (affineSpan k (Set.range p)).direction :=
+    have hv : s.affine_combination k p w -ᵥ p i1 ∈ (affineSpan k (Set.range p)).direction :=
       by
       rw [direction_affineSpan, ← hw1s, Finset.affineCombination_vsub]
       apply weightedVsub_mem_vectorSpan
       simp [Pi.sub_apply, h, hw1]
-    rw [← vsub_vadd (s.affine_combination p w) (p i1)]
+    rw [← vsub_vadd (s.affine_combination k p w) (p i1)]
     exact AffineSubspace.vadd_mem_of_mem_direction hv (mem_affineSpan k (Set.mem_range_self _))
 #align affine_combination_mem_affine_span affineCombination_mem_affineSpan
 
@@ -1136,7 +1141,7 @@ variable {k}
 `eq_affine_combination_of_mem_affine_span_of_fintype`. -/
 theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (s : Finset ι)(w : ι → k)(hw : (∑ i in s, w i) = 1), p1 = s.affineCombination p w := by
+    ∃ (s : Finset ι)(w : ι → k)(hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w := by
   classical
     have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
     rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn
@@ -1157,7 +1162,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     let w0 : ι → k := Function.update (Function.const ι 0) i0 1
     have hw0 : (∑ i in s', w0 i) = 1 := by
       rw [Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero, add_zero]
-    have hw0s : s'.affine_combination p w0 = p i0 :=
+    have hw0s : s'.affine_combination k p w0 = p i0 :=
       s'.affine_combination_of_eq_one_of_eq_zero w0 p (Finset.mem_insert_self _ _)
         (Function.update_same _ _ _) fun _ _ hne => Function.update_noteq hne _ _
     use s', w0 + w'
@@ -1168,7 +1173,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (w : ι → k)(hw : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination p w := by
+    ∃ (w : ι → k)(hw : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination k p w := by
   classical
     obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
     refine'
@@ -1184,7 +1189,7 @@ if it is an `affine_combination` with sum of weights 1, provided the
 underlying ring is nontrivial. -/
 theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι → P} :
     p1 ∈ affineSpan k (Set.range p) ↔
-      ∃ (s : Finset ι)(w : ι → k)(hw : (∑ i in s, w i) = 1), p1 = s.affineCombination p w :=
+      ∃ (s : Finset ι)(w : ι → k)(hw : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w :=
   by
   constructor
   · exact eq_affineCombination_of_mem_affineSpan

mathlib commit https://github.com/leanprover-community/mathlib/commit/4c586d291f189eecb9d00581aeb3dd998ac34442

@@ -977,7 +977,7 @@ theorem centroid_eq_affineCombination_fintype [Fintype ι] (p : ι → P) :
   affineCombination_indicator_subset _ _ (subset_univ _)
 #align finset.centroid_eq_affine_combination_fintype Finset.centroid_eq_affineCombination_fintype
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:628:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
 /-- An indexed family of points that is injective on the given
 `finset` has the same centroid as the image of that `finset`.  This is
 stated in terms of a set equal to the image to provide control of
@@ -1012,8 +1012,8 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
   rw [(hf' x).2]
 #align finset.centroid_eq_centroid_image_of_inj_on Finset.centroid_eq_centroid_image_of_inj_on
 
-/- ./././Mathport/Syntax/Translate/Basic.lean:628:2: warning: expanding binder collection (i j «expr ∈ » s) -/
-/- ./././Mathport/Syntax/Translate/Basic.lean:628:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s) -/
+/- ./././Mathport/Syntax/Translate/Basic.lean:635:2: warning: expanding binder collection (i j «expr ∈ » s₂) -/
 /-- Two indexed families of points that are injective on the given
 `finset`s and with the same points in the image of those `finset`s
 have the same centroid. -/

mathlib commit https://github.com/leanprover-community/mathlib/commit/3ade05ac9447ae31a22d2ea5423435e054131240

@@ -4,13 +4,14 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
 
 ! This file was ported from Lean 3 source module linear_algebra.affine_space.combination
-! leanprover-community/mathlib commit 48765fae5044d8a40aa4c1e485f16b8bd87081af
+! leanprover-community/mathlib commit 87c54600fe3cdc7d32ff5b50873ac724d86aef8d
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
 import Mathbin.Algebra.Invertible
 import Mathbin.Algebra.IndicatorFunction
 import Mathbin.Algebra.Module.BigOperators
+import Mathbin.Data.Fintype.BigOperators
 import Mathbin.LinearAlgebra.AffineSpace.AffineMap
 import Mathbin.LinearAlgebra.AffineSpace.AffineSubspace
 import Mathbin.LinearAlgebra.Finsupp

mathlib commit https://github.com/leanprover-community/mathlib/commit/bd9851ca476957ea4549eb19b40e7b5ade9428cc

A PR analogous to #12338 and #12361: reformatting proofs following the multiple goals linter of #12339.

@@ -441,8 +441,8 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
     ext
     simp
   rw [hgf, sum_image]
-  simp only [Function.comp_apply]
-  exact fun _ _ _ _ hxy => hf hxy
+  · simp only [Function.comp_apply]
+  · exact fun _ _ _ _ hxy => hf hxy
 #align finset.attach_affine_combination_of_injective Finset.attach_affineCombination_of_injective
 
 theorem attach_affineCombination_coe (s : Finset P) (w : P → k) :

Co-authored-by: Ruben Van de Velde <65514131+Ruben-VandeVelde@users.noreply.github.com>

@@ -432,7 +432,7 @@ theorem affineCombination_vsub (w₁ w₂ : ι → k) (p : ι → P) :
 theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w : P → k) (f : s → P)
     (hf : Function.Injective f) :
     s.attach.affineCombination k f (w ∘ f) = (image f univ).affineCombination k id w := by
-  simp only [affineCombination, weightedVSubOfPoint_apply, id.def, vadd_right_cancel_iff,
+  simp only [affineCombination, weightedVSubOfPoint_apply, id, vadd_right_cancel_iff,
     Function.comp_apply, AffineMap.coe_mk]
   let g₁ : s → V := fun i => w (f i) • (f i -ᵥ Classical.choice S.nonempty)
   let g₂ : P → V := fun i => w i • (i -ᵥ Classical.choice S.nonempty)

Empty lines were removed by executing the following Python script twice

import os
import re


# Loop through each file in the repository
for dir_path, dirs, files in os.walk('.'):
  for filename in files:
    if filename.endswith('.lean'):
      file_path = os.path.join(dir_path, filename)

      # Open the file and read its contents
      with open(file_path, 'r') as file:
        content = file.read()

      # Use a regular expression to replace sequences of "variable" lines separated by empty lines
      # with sequences without empty lines
      modified_content = re.sub(r'(variable.*\n)\n(variable(?! .* in))', r'\1\2', content)

      # Write the modified content back to the file
      with open(file_path, 'w') as file:
        file.write(modified_content)

@@ -54,11 +54,8 @@ theorem univ_fin2 : (univ : Finset (Fin 2)) = {0, 1} := by
 #align finset.univ_fin2 Finset.univ_fin2
 
 variable {k : Type*} {V : Type*} {P : Type*} [Ring k] [AddCommGroup V] [Module k V]
-
 variable [S : AffineSpace V P]
-
 variable {ι : Type*} (s : Finset ι)
-
 variable {ι₂ : Type*} (s₂ : Finset ι₂)
 
 /-- A weighted sum of the results of subtracting a base point from the
@@ -775,7 +772,6 @@ end Finset
 namespace Finset
 
 variable (k : Type*) {V : Type*} {P : Type*} [DivisionRing k] [AddCommGroup V] [Module k V]
-
 variable [AffineSpace V P] {ι : Type*} (s : Finset ι) {ι₂ : Type*} (s₂ : Finset ι₂)
 
 /-- The weights for the centroid of some points. -/
@@ -1194,7 +1190,6 @@ end AffineSpace'
 section DivisionRing
 
 variable {k : Type*} {V : Type*} {P : Type*} [DivisionRing k] [AddCommGroup V] [Module k V]
-
 variable [AffineSpace V P] {ι : Type*}
 
 open Set Finset
@@ -1234,7 +1229,6 @@ end DivisionRing
 namespace AffineMap
 
 variable {k : Type*} {V : Type*} (P : Type*) [CommRing k] [AddCommGroup V] [Module k V]
-
 variable [AffineSpace V P] {ι : Type*} (s : Finset ι)
 
 -- TODO: define `affineMap.proj`, `affineMap.fst`, `affineMap.snd`

Co-authored-by: Scott Morrison <scott.morrison@gmail.com>

@@ -1002,7 +1002,7 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in
       rw [Finsupp.total_apply, Finsupp.onFinset_sum hwx]
       · apply Finset.sum_congr rfl
         intro i hi
-        simp [Set.indicator_apply, if_pos hi]
+        simp [w', Set.indicator_apply, if_pos hi]
       · exact fun _ => zero_smul k _
 #align weighted_vsub_mem_vector_span weightedVSub_mem_vectorSpan
 
@@ -1161,7 +1161,7 @@ theorem mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd [Nontrivial k] (p : ι 
         · simp [Finset.sum_insert hj, Finset.sum_update_of_not_mem hj, hj]
       have hww : ∀ i, i ≠ j → w i = w' i := by
         intro i hij
-        simp [hij]
+        simp [w', hij]
       rw [s.weightedVSubOfPoint_eq_of_weights_eq p j w w' hww, ←
         s.weightedVSubOfPoint_insert w' p j, ←
         (insert j s).affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w' p h₁ (p j)]

They were in the Pi namespace instead.

@@ -1018,7 +1018,7 @@ theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι
     cases' hn with i1 hi1
     let w1 : ι → k := Function.update (Function.const ι 0) i1 1
     have hw1 : ∑ i in s, w1 i = 1 := by
-      simp only [Pi.const_zero, Finset.sum_update_of_mem hi1, Pi.zero_apply,
+      simp only [Function.const_zero, Finset.sum_update_of_mem hi1, Pi.zero_apply,
           Finset.sum_const_zero, add_zero]
     have hw1s : s.affineCombination k p w1 = p i1 :=
       s.affineCombination_of_eq_one_of_eq_zero w1 p hi1 (Function.update_same _ _ _) fun _ _ hne =>

See Zulip thread for the discussion.

@@ -164,7 +164,7 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
     (h : s₁ ⊆ s₂) :
     s₁.weightedVSubOfPoint p b w = s₂.weightedVSubOfPoint p b (Set.indicator (↑s₁) w) := by
   rw [weightedVSubOfPoint_apply, weightedVSubOfPoint_apply]
-  exact Eq.symm $
+  exact Eq.symm <|
     sum_indicator_subset_of_eq_zero w (fun i wi => wi • (p i -ᵥ b : V)) h fun i => zero_smul k _
 #align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subset
 

Follow-up #9184

@@ -575,9 +575,9 @@ corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
 theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V} {x : k} {s : Set ι}
     {p : ι → P} {b : P} :
-    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : ∑ i in fs, w i = x),
+    (∃ fs : Finset ι, ↑fs ⊆ s ∧ ∃ w : ι → k, ∑ i in fs, w i = x ∧
         v = fs.weightedVSubOfPoint p b w) ↔
-      ∃ (fs : Finset s) (w : s → k) (_ : ∑ i in fs, w i = x),
+      ∃ (fs : Finset s) (w : s → k), ∑ i in fs, w i = x ∧
         v = fs.weightedVSubOfPoint (fun i : s => p i) b w := by
   classical
     simp_rw [weightedVSubOfPoint_apply]
@@ -600,9 +600,9 @@ only if it can be expressed as `weightedVSub` with sum of weights 0
 for the corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
 theorem eq_weightedVSub_subset_iff_eq_weightedVSub_subtype {v : V} {s : Set ι} {p : ι → P} :
-    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : ∑ i in fs, w i = 0),
+    (∃ fs : Finset ι, ↑fs ⊆ s ∧ ∃ w : ι → k, ∑ i in fs, w i = 0 ∧
         v = fs.weightedVSub p w) ↔
-      ∃ (fs : Finset s) (w : s → k) (_ : ∑ i in fs, w i = 0),
+      ∃ (fs : Finset s) (w : s → k), ∑ i in fs, w i = 0 ∧
         v = fs.weightedVSub (fun i : s => p i) w :=
   eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 #align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype
@@ -618,9 +618,9 @@ indexed family whose index type is the subtype corresponding to that
 subset. -/
 theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s : Set ι}
     {p : ι → P} :
-    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : ∑ i in fs, w i = 1),
+    (∃ fs : Finset ι, ↑fs ⊆ s ∧ ∃ w : ι → k, ∑ i in fs, w i = 1 ∧
         p0 = fs.affineCombination k p w) ↔
-      ∃ (fs : Finset s) (w : s → k) (_ : ∑ i in fs, w i = 1),
+      ∃ (fs : Finset s) (w : s → k), ∑ i in fs, w i = 1 ∧
         p0 = fs.affineCombination k (fun i : s => p i) w := by
   simp_rw [affineCombination_apply, eq_vadd_iff_vsub_eq]
   exact eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
@@ -942,7 +942,7 @@ stated in terms of a set equal to the image to provide control of
 definitional equality for the index type used for the centroid of the
 image. -/
 theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
-    (hi : ∀ (i) (_ : i ∈ s) (j) (_ : j ∈ s), p i = p j → i = j) {ps : Set P} [Fintype ps]
+    (hi : ∀ i ∈ s, ∀ j ∈ s, p i = p j → i = j) {ps : Set P} [Fintype ps]
     (hps : ps = p '' ↑s) : s.centroid k p = (univ : Finset ps).centroid k fun x => (x : P) := by
   let f : p '' ↑s → ι := fun x => x.property.choose
   have hf : ∀ x, f x ∈ s ∧ p (f x) = x := fun x => x.property.choose_spec
@@ -972,8 +972,8 @@ theorem centroid_eq_centroid_image_of_inj_on {p : ι → P}
 `Finset`s and with the same points in the image of those `Finset`s
 have the same centroid. -/
 theorem centroid_eq_of_inj_on_of_image_eq {p : ι → P}
-    (hi : ∀ (i) (_ : i ∈ s) (j) (_ : j ∈ s), p i = p j → i = j) {p₂ : ι₂ → P}
-    (hi₂ : ∀ (i) (_ : i ∈ s₂) (j) (_ : j ∈ s₂), p₂ i = p₂ j → i = j) (he : p '' ↑s = p₂ '' ↑s₂) :
+    (hi : ∀ i ∈ s, ∀ j ∈ s, p i = p j → i = j) {p₂ : ι₂ → P}
+    (hi₂ : ∀ i ∈ s₂, ∀ j ∈ s₂, p₂ i = p₂ j → i = j) (he : p '' ↑s = p₂ '' ↑s₂) :
     s.centroid k p = s₂.centroid k p₂ := by
   classical rw [s.centroid_eq_centroid_image_of_inj_on k hi rfl,
       s₂.centroid_eq_centroid_image_of_inj_on k hi₂ he]
@@ -1040,7 +1040,7 @@ variable (k)
 if it is a `weightedVSub` with sum of weights 0. -/
 theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
     v ∈ vectorSpan k (Set.range p) ↔
-      ∃ (s : Finset ι) (w : ι → k) (_ : ∑ i in s, w i = 0), v = s.weightedVSub p w := by
+      ∃ (s : Finset ι) (w : ι → k), ∑ i in s, w i = 0 ∧ v = s.weightedVSub p w := by
   classical
     constructor
     · rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
@@ -1086,7 +1086,7 @@ variable {k}
 `eq_affineCombination_of_mem_affineSpan_of_fintype`. -/
 theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (s : Finset ι) (w : ι → k) (_ : ∑ i in s, w i = 1), p1 = s.affineCombination k p w := by
+    ∃ (s : Finset ι) (w : ι → k), ∑ i in s, w i = 1 ∧ p1 = s.affineCombination k p w := by
   classical
     have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
     rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn
@@ -1111,17 +1111,15 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     have hw0s : s'.affineCombination k p w0 = p i0 :=
       s'.affineCombination_of_eq_one_of_eq_zero w0 p (Finset.mem_insert_self _ _)
         (Function.update_same _ _ _) fun _ _ hne => Function.update_noteq hne _ _
-    use s', w0 + w'
-    constructor
-    · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
+    refine ⟨s', w0 + w', ?_, ?_⟩
     · -- Porting note: proof was `simp [Pi.add_apply, Finset.sum_add_distrib, hw0, h']`
-      change (Finset.sum s' fun i => w0 i + w' i) = 1
-      simp only [Finset.sum_add_distrib, hw0, h', add_zero]
+      simp only [Pi.add_apply, Finset.sum_add_distrib, hw0, h', add_zero]
+    · rw [add_comm, ← Finset.weightedVSub_vadd_affineCombination, hw0s, hs', vsub_vadd]
 #align eq_affine_combination_of_mem_affine_span eq_affineCombination_of_mem_affineSpan
 
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (w : ι → k) (_ : ∑ i, w i = 1), p1 = Finset.univ.affineCombination k p w := by
+    ∃ w : ι → k, ∑ i, w i = 1 ∧ p1 = Finset.univ.affineCombination k p w := by
   classical
     obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
     refine'
@@ -1137,7 +1135,7 @@ if it is an `affineCombination` with sum of weights 1, provided the
 underlying ring is nontrivial. -/
 theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι → P} :
     p1 ∈ affineSpan k (Set.range p) ↔
-      ∃ (s : Finset ι) (w : ι → k) (_ : ∑ i in s, w i = 1), p1 = s.affineCombination k p w := by
+      ∃ (s : Finset ι) (w : ι → k), ∑ i in s, w i = 1 ∧ p1 = s.affineCombination k p w := by
   constructor
   · exact eq_affineCombination_of_mem_affineSpan
   · rintro ⟨s, w, hw, rfl⟩

I literally went through and regex'd some uses of cases', replacing them with rcases; this is meant to be a low effort PR as I hope that tools can do this in the future.

rcases is an easier replacement than cases, though with better tools we could in future do a second pass converting simple rcases added here (and existing ones) to cases.

@@ -102,7 +102,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
   simp only [Finset.weightedVSubOfPoint_apply]
   congr
   ext i
-  cases' eq_or_ne i j with h h
+  rcases eq_or_ne i j with h | h
   · simp [h]
   · simp [hw i h]
 #align finset.weighted_vsub_of_point_eq_of_weights_eq Finset.weightedVSubOfPoint_eq_of_weights_eq

Function.support is a very basic definition. Nevertheless, it is a pretty heavy import because it imports most objects a support lemma can be written about.

This PR reverses the dependencies between those objects and Function.support, so that the latter can become a much more lightweight import.

Only two import could not easily be reversed, namely the ones to Data.Set.Finite and Order.ConditionallyCompleteLattice.Basic, so I created two new files instead.

I credit:

• Yury for https://github.com/leanprover-community/mathlib/pull/6791
• Oliver for https://github.com/leanprover-community/mathlib/pull/7439

@@ -3,7 +3,6 @@ Copyright (c) 2020 Joseph Myers. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
 -/
-import Mathlib.Algebra.IndicatorFunction
 import Mathlib.Algebra.Module.BigOperators
 import Mathlib.Data.Fintype.BigOperators
 import Mathlib.LinearAlgebra.AffineSpace.AffineMap
@@ -165,8 +164,8 @@ theorem weightedVSubOfPoint_indicator_subset (w : ι → k) (p : ι → P) (b :
     (h : s₁ ⊆ s₂) :
     s₁.weightedVSubOfPoint p b w = s₂.weightedVSubOfPoint p b (Set.indicator (↑s₁) w) := by
   rw [weightedVSubOfPoint_apply, weightedVSubOfPoint_apply]
-  exact
-    Set.sum_indicator_subset_of_eq_zero w (fun i wi => wi • (p i -ᵥ b : V)) h fun i => zero_smul k _
+  exact Eq.symm $
+    sum_indicator_subset_of_eq_zero w (fun i wi => wi • (p i -ᵥ b : V)) h fun i => zero_smul k _
 #align finset.weighted_vsub_of_point_indicator_subset Finset.weightedVSubOfPoint_indicator_subset
 
 /-- A weighted sum, over the image of an embedding, equals a weighted
@@ -903,7 +902,7 @@ theorem centroidWeightsIndicator_def :
 /-- The sum of the weights for the centroid indexed by a `Fintype`. -/
 theorem sum_centroidWeightsIndicator [Fintype ι] :
     ∑ i, s.centroidWeightsIndicator k i = ∑ i in s, s.centroidWeights k i :=
-  (Set.sum_indicator_subset _ (subset_univ _)).symm
+  sum_indicator_subset _ (subset_univ _)
 #align finset.sum_centroid_weights_indicator Finset.sum_centroidWeightsIndicator
 
 /-- In the characteristic zero case, the weights in the centroid
@@ -1100,7 +1099,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     let s' := insert i0 s
     let w' := Set.indicator (↑s) w
     have h' : ∑ i in s', w' i = 0 := by
-      rw [← h, Set.sum_indicator_subset _ (Finset.subset_insert i0 s)]
+      rw [← h, Finset.sum_indicator_subset _ (Finset.subset_insert i0 s)]
     have hs' : s'.weightedVSub p w' = p1 -ᵥ p i0 := by
       rw [hs]
       exact (Finset.weightedVSub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm

Only Prop-values fields should be capitalized, not P-valued fields where P is Prop-valued.

Rather than fixing Nonempty := in constructors, I just deleted the line as the instance can almost always be found automatically.

@@ -248,7 +248,7 @@ from the given points, as a linear map on the weights.  This is
 intended to be used when the sum of the weights is 0; that condition
 is specified as a hypothesis on those lemmas that require it. -/
 def weightedVSub (p : ι → P) : (ι → k) →ₗ[k] V :=
-  s.weightedVSubOfPoint p (Classical.choice S.Nonempty)
+  s.weightedVSubOfPoint p (Classical.choice S.nonempty)
 #align finset.weighted_vsub Finset.weightedVSub
 
 /-- Applying `weightedVSub` with given weights.  This is for the case
@@ -258,7 +258,7 @@ that base point will cancel out later); a more typical use case for
 `weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero` and then
 using `weightedVSubOfPoint_apply`. -/
 theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
-    s.weightedVSub p w = ∑ i in s, w i • (p i -ᵥ Classical.choice S.Nonempty) := by
+    s.weightedVSub p w = ∑ i in s, w i • (p i -ᵥ Classical.choice S.nonempty) := by
   simp [weightedVSub, LinearMap.sum_apply]
 #align finset.weighted_vsub_apply Finset.weightedVSub_apply
 
@@ -371,7 +371,7 @@ points with the given weights; that condition is specified as a
 hypothesis on those lemmas that require it. -/
 def affineCombination (p : ι → P) : (ι → k) →ᵃ[k] P
     where
-  toFun w := s.weightedVSubOfPoint p (Classical.choice S.Nonempty) w +ᵥ Classical.choice S.Nonempty
+  toFun w := s.weightedVSubOfPoint p (Classical.choice S.nonempty) w +ᵥ Classical.choice S.nonempty
   linear := s.weightedVSub p
   map_vadd' w₁ w₂ := by simp_rw [vadd_vadd, weightedVSub, vadd_eq_add, LinearMap.map_add]
 #align finset.affine_combination Finset.affineCombination
@@ -395,7 +395,7 @@ point with
 then using `weightedVSubOfPoint_apply`. -/
 theorem affineCombination_apply (w : ι → k) (p : ι → P) :
     (s.affineCombination k p) w =
-      s.weightedVSubOfPoint p (Classical.choice S.Nonempty) w +ᵥ Classical.choice S.Nonempty :=
+      s.weightedVSubOfPoint p (Classical.choice S.nonempty) w +ᵥ Classical.choice S.nonempty :=
   rfl
 #align finset.affine_combination_apply Finset.affineCombination_apply
 
@@ -438,8 +438,8 @@ theorem attach_affineCombination_of_injective [DecidableEq P] (s : Finset P) (w
     s.attach.affineCombination k f (w ∘ f) = (image f univ).affineCombination k id w := by
   simp only [affineCombination, weightedVSubOfPoint_apply, id.def, vadd_right_cancel_iff,
     Function.comp_apply, AffineMap.coe_mk]
-  let g₁ : s → V := fun i => w (f i) • (f i -ᵥ Classical.choice S.Nonempty)
-  let g₂ : P → V := fun i => w i • (i -ᵥ Classical.choice S.Nonempty)
+  let g₁ : s → V := fun i => w (f i) • (f i -ᵥ Classical.choice S.nonempty)
+  let g₂ : P → V := fun i => w i • (i -ᵥ Classical.choice S.nonempty)
   change univ.sum g₁ = (image f univ).sum g₂
   have hgf : g₁ = g₂ ∘ f := by
     ext
@@ -633,8 +633,8 @@ variable {k V}
 theorem map_affineCombination {V₂ P₂ : Type*} [AddCommGroup V₂] [Module k V₂] [AffineSpace V₂ P₂]
     (p : ι → P) (w : ι → k) (hw : s.sum w = 1) (f : P →ᵃ[k] P₂) :
     f (s.affineCombination k p w) = s.affineCombination k (f ∘ p) w := by
-  have b := Classical.choice (inferInstance : AffineSpace V P).Nonempty
-  have b₂ := Classical.choice (inferInstance : AffineSpace V₂ P₂).Nonempty
+  have b := Classical.choice (inferInstance : AffineSpace V P).nonempty
+  have b₂ := Classical.choice (inferInstance : AffineSpace V₂ P₂).nonempty
   rw [s.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w p hw b,
     s.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w (f ∘ p) hw b₂, ←
     s.weightedVSubOfPoint_vadd_eq_of_sum_eq_one w (f ∘ p) hw (f b) b₂]

Also _root_.map_smul when in the neighbourhood.

@@ -639,7 +639,7 @@ theorem map_affineCombination {V₂ P₂ : Type*} [AddCommGroup V₂] [Module k
     s.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w (f ∘ p) hw b₂, ←
     s.weightedVSubOfPoint_vadd_eq_of_sum_eq_one w (f ∘ p) hw (f b) b₂]
   simp only [weightedVSubOfPoint_apply, RingHom.id_apply, AffineMap.map_vadd,
-    LinearMap.map_smulₛₗ, AffineMap.linearMap_vsub, LinearMap.map_sum, Function.comp_apply]
+    LinearMap.map_smulₛₗ, AffineMap.linearMap_vsub, map_sum, Function.comp_apply]
 #align finset.map_affine_combination Finset.map_affineCombination
 
 variable (k)

Mathlib.Algebra.Invertible is used by fundamental tactics, and this essentially splits it into the part used by NormNum, and everything else.

Co-authored-by: Scott Morrison <scott.morrison@gmail.com>

@@ -3,7 +3,6 @@ Copyright (c) 2020 Joseph Myers. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
 -/
-import Mathlib.Algebra.Invertible
 import Mathlib.Algebra.IndicatorFunction
 import Mathlib.Algebra.Module.BigOperators
 import Mathlib.Data.Fintype.BigOperators

In Mathlib/LinearAlgebra/Dual.lean we also overhaul the universe argument names, as the file switched between two conventions and making up undeclared universe variables.

Mathlib/LinearAlgebra/Prod.lean invented some new variables even though it already had plenty available.

@@ -43,9 +43,6 @@ These definitions are for sums over a `Finset`; versions for a
 
 -/
 
-set_option autoImplicit true
-
-
 
 noncomputable section
 
@@ -988,7 +985,7 @@ end Finset
 
 section AffineSpace'
 
-variable {k V P : Type*} [Ring k] [AddCommGroup V] [Module k V] [AffineSpace V P]
+variable {ι k V P : Type*} [Ring k] [AddCommGroup V] [Module k V] [AffineSpace V P]
 
 /-- A `weightedVSub` with sum of weights 0 is in the `vectorSpan` of
 an indexed family. -/

Autoimplicits are highly controversial and also defeat the performance-improving work in #6474.

The intent of this PR is to make autoImplicit opt-in on a per-file basis, by disabling it in the lakefile and enabling it again with set_option autoImplicit true in the few files that rely on it.

That also keeps this PR small, as opposed to attempting to "fix" files to not need it any more.

I claim that many of the uses of autoImplicit in these files are accidental; situations such as:

• Assuming variables are in scope, but pasting the lemma in the wrong section
• Pasting in a lemma from a scratch file without checking to see if the variable names are consistent with the rest of the file
• Making a copy-paste error between lemmas and forgetting to add an explicit arguments.

Having set_option autoImplicit false as the default prevents these types of mistake being made in the 90% of files where autoImplicits are not used at all, and causes them to be caught by CI during review.

I think there were various points during the port where we encouraged porters to delete the universes u v lines; I think having autoparams for universe variables only would cover a lot of the cases we actually use them, while avoiding any real shortcomings.

A Zulip poll (after combining overlapping votes accordingly) was in favor of this change with 5:5:18 as the no:dontcare:yes vote ratio.

While this PR was being reviewed, a handful of files gained some more likely-accidental autoImplicits. In these places, set_option autoImplicit true has been placed locally within a section, rather than at the top of the file.

@@ -43,6 +43,8 @@ These definitions are for sums over a `Finset`; versions for a
 
 -/
 
+set_option autoImplicit true
+
 
 
 noncomputable section

We remove all possible occurences of Type _ and Sort _ in favor of Type* and Sort*.

This has nice performance benefits.

@@ -56,13 +56,13 @@ theorem univ_fin2 : (univ : Finset (Fin 2)) = {0, 1} := by
   fin_cases x <;> simp
 #align finset.univ_fin2 Finset.univ_fin2
 
-variable {k : Type _} {V : Type _} {P : Type _} [Ring k] [AddCommGroup V] [Module k V]
+variable {k : Type*} {V : Type*} {P : Type*} [Ring k] [AddCommGroup V] [Module k V]
 
 variable [S : AffineSpace V P]
 
-variable {ι : Type _} (s : Finset ι)
+variable {ι : Type*} (s : Finset ι)
 
-variable {ι₂ : Type _} (s₂ : Finset ι₂)
+variable {ι₂ : Type*} (s₂ : Finset ι₂)
 
 /-- A weighted sum of the results of subtracting a base point from the
 given points, as a linear map on the weights.  The main cases of
@@ -632,7 +632,7 @@ theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s
 variable {k V}
 
 /-- Affine maps commute with affine combinations. -/
-theorem map_affineCombination {V₂ P₂ : Type _} [AddCommGroup V₂] [Module k V₂] [AffineSpace V₂ P₂]
+theorem map_affineCombination {V₂ P₂ : Type*} [AddCommGroup V₂] [Module k V₂] [AffineSpace V₂ P₂]
     (p : ι → P) (w : ι → k) (hw : s.sum w = 1) (f : P →ᵃ[k] P₂) :
     f (s.affineCombination k p w) = s.affineCombination k (f ∘ p) w := by
   have b := Classical.choice (inferInstance : AffineSpace V P).Nonempty
@@ -777,9 +777,9 @@ end Finset
 
 namespace Finset
 
-variable (k : Type _) {V : Type _} {P : Type _} [DivisionRing k] [AddCommGroup V] [Module k V]
+variable (k : Type*) {V : Type*} {P : Type*} [DivisionRing k] [AddCommGroup V] [Module k V]
 
-variable [AffineSpace V P] {ι : Type _} (s : Finset ι) {ι₂ : Type _} (s₂ : Finset ι₂)
+variable [AffineSpace V P] {ι : Type*} (s : Finset ι) {ι₂ : Type*} (s₂ : Finset ι₂)
 
 /-- The weights for the centroid of some points. -/
 def centroidWeights : ι → k :=
@@ -986,7 +986,7 @@ end Finset
 
 section AffineSpace'
 
-variable {k V P : Type _} [Ring k] [AddCommGroup V] [Module k V] [AffineSpace V P]
+variable {k V P : Type*} [Ring k] [AddCommGroup V] [Module k V] [AffineSpace V P]
 
 /-- A `weightedVSub` with sum of weights 0 is in the `vectorSpan` of
 an indexed family. -/
@@ -1198,9 +1198,9 @@ end AffineSpace'
 
 section DivisionRing
 
-variable {k : Type _} {V : Type _} {P : Type _} [DivisionRing k] [AddCommGroup V] [Module k V]
+variable {k : Type*} {V : Type*} {P : Type*} [DivisionRing k] [AddCommGroup V] [Module k V]
 
-variable [AffineSpace V P] {ι : Type _}
+variable [AffineSpace V P] {ι : Type*}
 
 open Set Finset
 
@@ -1238,9 +1238,9 @@ end DivisionRing
 
 namespace AffineMap
 
-variable {k : Type _} {V : Type _} (P : Type _) [CommRing k] [AddCommGroup V] [Module k V]
+variable {k : Type*} {V : Type*} (P : Type*) [CommRing k] [AddCommGroup V] [Module k V]
 
-variable [AffineSpace V P] {ι : Type _} (s : Finset ι)
+variable [AffineSpace V P] {ι : Type*} (s : Finset ι)
 
 -- TODO: define `affineMap.proj`, `affineMap.fst`, `affineMap.snd`
 /-- A weighted sum, as an affine map on the points involved. -/

Per https://github.com/leanprover/lean4/issues/2343, we are going to need to change the automatic generation of instance names, as they become too long.

This PR ensures that everywhere in Mathlib that refers to an instance by name, that name is given explicitly, rather than being automatically generated.

There are four exceptions, which are now commented, with links to https://github.com/leanprover/lean4/issues/2343.

This was implemented by running Mathlib against a modified Lean that appended _ᾰ to all automatically generated names, and fixing everything.

Co-authored-by: Scott Morrison <scott.morrison@gmail.com>

@@ -361,7 +361,7 @@ theorem weightedVSub_const_smul (w : ι → k) (p : ι → P) (c : k) :
   s.weightedVSubOfPoint_const_smul _ _ _ _
 #align finset.weighted_vsub_const_smul Finset.weightedVSub_const_smul
 
-instance : AffineSpace (ι → k) (ι → k) := Pi.instAddTorsorForAllForAllAddGroup
+instance : AffineSpace (ι → k) (ι → k) := Pi.instAddTorsor
 
 variable (k)
 

• depends on: #5966

Co-authored-by: Eric Wieser <wieser.eric@gmail.com> Co-authored-by: Scott Morrison <scott.morrison@gmail.com>

@@ -2,11 +2,6 @@
 Copyright (c) 2020 Joseph Myers. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
-
-! This file was ported from Lean 3 source module linear_algebra.affine_space.combination
-! leanprover-community/mathlib commit 2de9c37fa71dde2f1c6feff19876dd6a7b1519f0
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Algebra.Invertible
 import Mathlib.Algebra.IndicatorFunction
@@ -17,6 +12,8 @@ import Mathlib.LinearAlgebra.AffineSpace.AffineSubspace
 import Mathlib.LinearAlgebra.Finsupp
 import Mathlib.Tactic.FinCases
 
+#align_import linear_algebra.affine_space.combination from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6feff19876dd6a7b1519f0"
+
 /-!
 # Affine combinations of points
 

• Also remove most superfluous parentheses around big operators (∑, ∏ and variants).
• roughly the used regex: ([^a-zA-Zα-ωΑ-Ω'𝓝ℳ₀𝕂ₛ)]) \(([∑∏][^()∑∏]*,[^()∑∏:]*)\) ([⊂⊆=<≤]) replaced by $1 $2 $3

@@ -115,7 +115,7 @@ theorem weightedVSubOfPoint_eq_of_weights_eq (p : ι → P) (j : ι) (w₁ w₂
 
 /-- The weighted sum is independent of the base point when the sum of
 the weights is 0. -/
-theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 0)
+theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : ∑ i in s, w i = 0)
     (b₁ b₂ : P) : s.weightedVSubOfPoint p b₁ w = s.weightedVSubOfPoint p b₂ w := by
   apply eq_of_sub_eq_zero
   rw [weightedVSubOfPoint_apply, weightedVSubOfPoint_apply, ← sum_sub_distrib]
@@ -129,7 +129,7 @@ theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h :
 
 /-- The weighted sum, added to the base point, is independent of the
 base point when the sum of the weights is 1. -/
-theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P) (h : (∑ i in s, w i) = 1)
+theorem weightedVSubOfPoint_vadd_eq_of_sum_eq_one (w : ι → k) (p : ι → P) (h : ∑ i in s, w i = 1)
     (b₁ b₂ : P) : s.weightedVSubOfPoint p b₁ w +ᵥ b₁ = s.weightedVSubOfPoint p b₂ w +ᵥ b₂ := by
   erw [weightedVSubOfPoint_apply, weightedVSubOfPoint_apply, ← @vsub_eq_zero_iff_eq V,
     vadd_vsub_assoc, vsub_vadd_eq_vsub_sub, ← add_sub_assoc, add_comm, add_sub_assoc, ←
@@ -270,14 +270,14 @@ theorem weightedVSub_apply (w : ι → k) (p : ι → P) :
 /-- `weightedVSub` gives the sum of the results of subtracting any
 base point, when the sum of the weights is 0. -/
 theorem weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero (w : ι → k) (p : ι → P)
-    (h : (∑ i in s, w i) = 0) (b : P) : s.weightedVSub p w = s.weightedVSubOfPoint p b w :=
+    (h : ∑ i in s, w i = 0) (b : P) : s.weightedVSub p w = s.weightedVSubOfPoint p b w :=
   s.weightedVSubOfPoint_eq_of_sum_eq_zero w p h _ _
 #align finset.weighted_vsub_eq_weighted_vsub_of_point_of_sum_eq_zero Finset.weightedVSub_eq_weightedVSubOfPoint_of_sum_eq_zero
 
 /-- The value of `weightedVSub`, where the given points are equal and the sum of the weights
 is 0. -/
 @[simp]
-theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 0) :
+theorem weightedVSub_apply_const (w : ι → k) (p : P) (h : ∑ i in s, w i = 0) :
     s.weightedVSub (fun _ => p) w = 0 := by
   rw [weightedVSub, weightedVSubOfPoint_apply_const, h, zero_smul]
 #align finset.weighted_vsub_apply_const Finset.weightedVSub_apply_const
@@ -320,14 +320,14 @@ theorem sum_smul_vsub_eq_weightedVSub_sub (w : ι → k) (p₁ p₂ : ι → P)
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 0. -/
 theorem sum_smul_vsub_const_eq_weightedVSub (w : ι → k) (p₁ : ι → P) (p₂ : P)
-    (h : (∑ i in s, w i) = 0) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.weightedVSub p₁ w := by
+    (h : ∑ i in s, w i = 0) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.weightedVSub p₁ w := by
   rw [sum_smul_vsub_eq_weightedVSub_sub, s.weightedVSub_apply_const _ _ h, sub_zero]
 #align finset.sum_smul_vsub_const_eq_weighted_vsub Finset.sum_smul_vsub_const_eq_weightedVSub
 
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 0. -/
 theorem sum_smul_const_vsub_eq_neg_weightedVSub (w : ι → k) (p₂ : ι → P) (p₁ : P)
-    (h : (∑ i in s, w i) = 0) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = -s.weightedVSub p₂ w := by
+    (h : ∑ i in s, w i = 0) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = -s.weightedVSub p₂ w := by
   rw [sum_smul_vsub_eq_weightedVSub_sub, s.weightedVSub_apply_const _ _ h, zero_sub]
 #align finset.sum_smul_const_vsub_eq_neg_weighted_vsub Finset.sum_smul_const_vsub_eq_neg_weightedVSub
 
@@ -406,7 +406,7 @@ theorem affineCombination_apply (w : ι → k) (p : ι → P) :
 
 /-- The value of `affineCombination`, where the given points are equal. -/
 @[simp]
-theorem affineCombination_apply_const (w : ι → k) (p : P) (h : (∑ i in s, w i) = 1) :
+theorem affineCombination_apply_const (w : ι → k) (p : P) (h : ∑ i in s, w i = 1) :
     s.affineCombination k (fun _ => p) w = p := by
   rw [affineCombination_apply, s.weightedVSubOfPoint_apply_const, h, one_smul, vsub_vadd]
 #align finset.affine_combination_apply_const Finset.affineCombination_apply_const
@@ -421,7 +421,7 @@ theorem affineCombination_congr {w₁ w₂ : ι → k} (hw : ∀ i ∈ s, w₁ i
 /-- `affineCombination` gives the sum with any base point, when the
 sum of the weights is 1. -/
 theorem affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one (w : ι → k) (p : ι → P)
-    (h : (∑ i in s, w i) = 1) (b : P) :
+    (h : ∑ i in s, w i = 1) (b : P) :
     s.affineCombination k p w = s.weightedVSubOfPoint p b w +ᵥ b :=
   s.weightedVSubOfPoint_vadd_eq_of_sum_eq_one w p h _ _
 #align finset.affine_combination_eq_weighted_vsub_of_point_vadd_of_sum_eq_one Finset.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one
@@ -472,7 +472,7 @@ theorem weightedVSub_eq_linear_combination {ι} (s : Finset ι) {w : ι → k} {
 combinations. -/
 @[simp]
 theorem affineCombination_eq_linear_combination (s : Finset ι) (p : ι → V) (w : ι → k)
-    (hw : (∑ i in s, w i) = 1) : s.affineCombination k p w = ∑ i in s, w i • p i := by
+    (hw : ∑ i in s, w i = 1) : s.affineCombination k p w = ∑ i in s, w i • p i := by
   simp [s.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w p hw 0]
 #align finset.affine_combination_eq_linear_combination Finset.affineCombination_eq_linear_combination
 
@@ -481,7 +481,7 @@ and has weight 1 and the other points in the set have weight 0. -/
 @[simp]
 theorem affineCombination_of_eq_one_of_eq_zero (w : ι → k) (p : ι → P) {i : ι} (his : i ∈ s)
     (hwi : w i = 1) (hw0 : ∀ i2 ∈ s, i2 ≠ i → w i2 = 0) : s.affineCombination k p w = p i := by
-  have h1 : (∑ i in s, w i) = 1 := hwi ▸ sum_eq_single i hw0 fun h => False.elim (h his)
+  have h1 : ∑ i in s, w i = 1 := hwi ▸ sum_eq_single i hw0 fun h => False.elim (h his)
   rw [s.affineCombination_eq_weightedVSubOfPoint_vadd_of_sum_eq_one w p h1 (p i),
     weightedVSubOfPoint_apply]
   convert zero_vadd V (p i)
@@ -521,14 +521,14 @@ theorem sum_smul_vsub_eq_affineCombination_vsub (w : ι → k) (p₁ p₂ : ι 
 /-- A weighted sum of pairwise subtractions, where the point on the right is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_vsub_const_eq_affineCombination_vsub (w : ι → k) (p₁ : ι → P) (p₂ : P)
-    (h : (∑ i in s, w i) = 1) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.affineCombination k p₁ w -ᵥ p₂ :=
+    (h : ∑ i in s, w i = 1) : (∑ i in s, w i • (p₁ i -ᵥ p₂)) = s.affineCombination k p₁ w -ᵥ p₂ :=
   by rw [sum_smul_vsub_eq_affineCombination_vsub, affineCombination_apply_const _ _ _ h]
 #align finset.sum_smul_vsub_const_eq_affine_combination_vsub Finset.sum_smul_vsub_const_eq_affineCombination_vsub
 
 /-- A weighted sum of pairwise subtractions, where the point on the left is constant and the
 sum of the weights is 1. -/
 theorem sum_smul_const_vsub_eq_vsub_affineCombination (w : ι → k) (p₂ : ι → P) (p₁ : P)
-    (h : (∑ i in s, w i) = 1) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = p₁ -ᵥ s.affineCombination k p₂ w :=
+    (h : ∑ i in s, w i = 1) : (∑ i in s, w i • (p₁ -ᵥ p₂ i)) = p₁ -ᵥ s.affineCombination k p₂ w :=
   by rw [sum_smul_vsub_eq_affineCombination_vsub, affineCombination_apply_const _ _ _ h]
 #align finset.sum_smul_const_vsub_eq_vsub_affine_combination Finset.sum_smul_const_vsub_eq_vsub_affineCombination
 
@@ -581,9 +581,9 @@ corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
 theorem eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype {v : V} {x : k} {s : Set ι}
     {p : ι → P} {b : P} :
-    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : (∑ i in fs, w i) = x),
+    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : ∑ i in fs, w i = x),
         v = fs.weightedVSubOfPoint p b w) ↔
-      ∃ (fs : Finset s) (w : s → k) (_ : (∑ i in fs, w i) = x),
+      ∃ (fs : Finset s) (w : s → k) (_ : ∑ i in fs, w i = x),
         v = fs.weightedVSubOfPoint (fun i : s => p i) b w := by
   classical
     simp_rw [weightedVSubOfPoint_apply]
@@ -606,9 +606,9 @@ only if it can be expressed as `weightedVSub` with sum of weights 0
 for the corresponding indexed family whose index type is the subtype
 corresponding to that subset. -/
 theorem eq_weightedVSub_subset_iff_eq_weightedVSub_subtype {v : V} {s : Set ι} {p : ι → P} :
-    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : (∑ i in fs, w i) = 0),
+    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : ∑ i in fs, w i = 0),
         v = fs.weightedVSub p w) ↔
-      ∃ (fs : Finset s) (w : s → k) (_ : (∑ i in fs, w i) = 0),
+      ∃ (fs : Finset s) (w : s → k) (_ : ∑ i in fs, w i = 0),
         v = fs.weightedVSub (fun i : s => p i) w :=
   eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
 #align finset.eq_weighted_vsub_subset_iff_eq_weighted_vsub_subtype Finset.eq_weightedVSub_subset_iff_eq_weightedVSub_subtype
@@ -624,9 +624,9 @@ indexed family whose index type is the subtype corresponding to that
 subset. -/
 theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s : Set ι}
     {p : ι → P} :
-    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : (∑ i in fs, w i) = 1),
+    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : ∑ i in fs, w i = 1),
         p0 = fs.affineCombination k p w) ↔
-      ∃ (fs : Finset s) (w : s → k) (_ : (∑ i in fs, w i) = 1),
+      ∃ (fs : Finset s) (w : s → k) (_ : ∑ i in fs, w i = 1),
         p0 = fs.affineCombination k (fun i : s => p i) w := by
   simp_rw [affineCombination_apply, eq_vadd_iff_vsub_eq]
   exact eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype
@@ -666,7 +666,7 @@ theorem affineCombinationSingleWeights_apply_of_ne [DecidableEq ι] {i j : ι} (
 
 @[simp]
 theorem sum_affineCombinationSingleWeights [DecidableEq ι] {i : ι} (h : i ∈ s) :
-    (∑ j in s, affineCombinationSingleWeights k i j) = 1 := by
+    ∑ j in s, affineCombinationSingleWeights k i j = 1 := by
   rw [← affineCombinationSingleWeights_apply_self k i]
   exact sum_eq_single_of_mem i h fun j _ hj => affineCombinationSingleWeights_apply_of_ne k hj
 #align finset.sum_affine_combination_single_weights Finset.sum_affineCombinationSingleWeights
@@ -698,7 +698,7 @@ theorem weightedVSubVSubWeights_apply_of_ne [DecidableEq ι] {i j t : ι} (hi :
 
 @[simp]
 theorem sum_weightedVSubVSubWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s) :
-    (∑ t in s, weightedVSubVSubWeights k i j t) = 0 := by
+    ∑ t in s, weightedVSubVSubWeights k i j t = 0 := by
   simp_rw [weightedVSubVSubWeights, Pi.sub_apply, sum_sub_distrib]
   simp [hi, hj]
 #align finset.sum_weighted_vsub_vsub_weights Finset.sum_weightedVSubVSubWeights
@@ -736,7 +736,7 @@ theorem affineCombinationLineMapWeights_apply_of_ne [DecidableEq ι] {i j t : ι
 
 @[simp]
 theorem sum_affineCombinationLineMapWeights [DecidableEq ι] {i j : ι} (hi : i ∈ s) (hj : j ∈ s)
-    (c : k) : (∑ t in s, affineCombinationLineMapWeights i j c t) = 1 := by
+    (c : k) : ∑ t in s, affineCombinationLineMapWeights i j c t = 1 := by
   simp_rw [affineCombinationLineMapWeights, Pi.add_apply, sum_add_distrib]
   simp [hi, hj, ← mul_sum]
 #align finset.sum_affine_combination_line_map_weights Finset.sum_affineCombinationLineMapWeights
@@ -805,7 +805,7 @@ variable {k}
 /-- The weights in the centroid sum to 1, if the number of points,
 converted to `k`, is not zero. -/
 theorem sum_centroidWeights_eq_one_of_cast_card_ne_zero (h : (card s : k) ≠ 0) :
-    (∑ i in s, s.centroidWeights k i) = 1 := by simp [h]
+    ∑ i in s, s.centroidWeights k i = 1 := by simp [h]
 #align finset.sum_centroid_weights_eq_one_of_cast_card_ne_zero Finset.sum_centroidWeights_eq_one_of_cast_card_ne_zero
 
 variable (k)
@@ -813,7 +813,7 @@ variable (k)
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is not zero. -/
 theorem sum_centroidWeights_eq_one_of_card_ne_zero [CharZero k] (h : card s ≠ 0) :
-    (∑ i in s, s.centroidWeights k i) = 1 := by
+    ∑ i in s, s.centroidWeights k i = 1 := by
   -- Porting note: `simp` cannot find `mul_inv_cancel` and does not use `norm_cast`
   simp only [centroidWeights_apply, sum_const, nsmul_eq_mul, ne_eq, Nat.cast_eq_zero, card_eq_zero]
   refine mul_inv_cancel ?_
@@ -823,14 +823,14 @@ theorem sum_centroidWeights_eq_one_of_card_ne_zero [CharZero k] (h : card s ≠
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the set is nonempty. -/
 theorem sum_centroidWeights_eq_one_of_nonempty [CharZero k] (h : s.Nonempty) :
-    (∑ i in s, s.centroidWeights k i) = 1 :=
+    ∑ i in s, s.centroidWeights k i = 1 :=
   s.sum_centroidWeights_eq_one_of_card_ne_zero k (ne_of_gt (card_pos.2 h))
 #align finset.sum_centroid_weights_eq_one_of_nonempty Finset.sum_centroidWeights_eq_one_of_nonempty
 
 /-- In the characteristic zero case, the weights in the centroid sum
 to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeights_eq_one_of_card_eq_add_one [CharZero k] {n : ℕ} (h : card s = n + 1) :
-    (∑ i in s, s.centroidWeights k i) = 1 :=
+    ∑ i in s, s.centroidWeights k i = 1 :=
   s.sum_centroidWeights_eq_one_of_card_ne_zero k (h.symm ▸ Nat.succ_ne_zero n)
 #align finset.sum_centroid_weights_eq_one_of_card_eq_add_one Finset.sum_centroidWeights_eq_one_of_card_eq_add_one
 
@@ -907,7 +907,7 @@ theorem centroidWeightsIndicator_def :
 
 /-- The sum of the weights for the centroid indexed by a `Fintype`. -/
 theorem sum_centroidWeightsIndicator [Fintype ι] :
-    (∑ i, s.centroidWeightsIndicator k i) = ∑ i in s, s.centroidWeights k i :=
+    ∑ i, s.centroidWeightsIndicator k i = ∑ i in s, s.centroidWeights k i :=
   (Set.sum_indicator_subset _ (subset_univ _)).symm
 #align finset.sum_centroid_weights_indicator Finset.sum_centroidWeightsIndicator
 
@@ -915,7 +915,7 @@ theorem sum_centroidWeightsIndicator [Fintype ι] :
 indexed by a `Fintype` sum to 1 if the number of points is not
 zero. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_card_ne_zero [CharZero k] [Fintype ι]
-    (h : card s ≠ 0) : (∑ i, s.centroidWeightsIndicator k i) = 1 := by
+    (h : card s ≠ 0) : ∑ i, s.centroidWeightsIndicator k i = 1 := by
   rw [sum_centroidWeightsIndicator]
   exact s.sum_centroidWeights_eq_one_of_card_ne_zero k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_card_ne_zero Finset.sum_centroidWeightsIndicator_eq_one_of_card_ne_zero
@@ -923,7 +923,7 @@ theorem sum_centroidWeightsIndicator_eq_one_of_card_ne_zero [CharZero k] [Fintyp
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `Fintype` sum to 1 if the set is nonempty. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι] (h : s.Nonempty) :
-    (∑ i, s.centroidWeightsIndicator k i) = 1 := by
+    ∑ i, s.centroidWeightsIndicator k i = 1 := by
   rw [sum_centroidWeightsIndicator]
   exact s.sum_centroidWeights_eq_one_of_nonempty k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_nonempty Finset.sum_centroidWeightsIndicator_eq_one_of_nonempty
@@ -931,7 +931,7 @@ theorem sum_centroidWeightsIndicator_eq_one_of_nonempty [CharZero k] [Fintype ι
 /-- In the characteristic zero case, the weights in the centroid
 indexed by a `Fintype` sum to 1 if the number of points is `n + 1`. -/
 theorem sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one [CharZero k] [Fintype ι] {n : ℕ}
-    (h : card s = n + 1) : (∑ i, s.centroidWeightsIndicator k i) = 1 := by
+    (h : card s = n + 1) : ∑ i, s.centroidWeightsIndicator k i = 1 := by
   rw [sum_centroidWeightsIndicator]
   exact s.sum_centroidWeights_eq_one_of_card_eq_add_one k h
 #align finset.sum_centroid_weights_indicator_eq_one_of_card_eq_add_one Finset.sum_centroidWeightsIndicator_eq_one_of_card_eq_add_one
@@ -993,7 +993,7 @@ variable {k V P : Type _} [Ring k] [AddCommGroup V] [Module k V] [AffineSpace V
 
 /-- A `weightedVSub` with sum of weights 0 is in the `vectorSpan` of
 an indexed family. -/
-theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i in s, w i) = 0)
+theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : ∑ i in s, w i = 0)
     (p : ι → P) : s.weightedVSub p w ∈ vectorSpan k (Set.range p) := by
   classical
     rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
@@ -1016,14 +1016,14 @@ theorem weightedVSub_mem_vectorSpan {s : Finset ι} {w : ι → k} (h : (∑ i i
 `affineSpan` of an indexed family, if the underlying ring is
 nontrivial. -/
 theorem affineCombination_mem_affineSpan [Nontrivial k] {s : Finset ι} {w : ι → k}
-    (h : (∑ i in s, w i) = 1) (p : ι → P) :
+    (h : ∑ i in s, w i = 1) (p : ι → P) :
     s.affineCombination k p w ∈ affineSpan k (Set.range p) := by
   classical
-    have hnz : (∑ i in s, w i) ≠ 0 := h.symm ▸ one_ne_zero
+    have hnz : ∑ i in s, w i ≠ 0 := h.symm ▸ one_ne_zero
     have hn : s.Nonempty := Finset.nonempty_of_sum_ne_zero hnz
     cases' hn with i1 hi1
     let w1 : ι → k := Function.update (Function.const ι 0) i1 1
-    have hw1 : (∑ i in s, w1 i) = 1 := by
+    have hw1 : ∑ i in s, w1 i = 1 := by
       simp only [Pi.const_zero, Finset.sum_update_of_mem hi1, Pi.zero_apply,
           Finset.sum_const_zero, add_zero]
     have hw1s : s.affineCombination k p w1 = p i1 :=
@@ -1046,7 +1046,7 @@ variable (k)
 if it is a `weightedVSub` with sum of weights 0. -/
 theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
     v ∈ vectorSpan k (Set.range p) ↔
-      ∃ (s : Finset ι) (w : ι → k) (_ : (∑ i in s, w i) = 0), v = s.weightedVSub p w := by
+      ∃ (s : Finset ι) (w : ι → k) (_ : ∑ i in s, w i = 0), v = s.weightedVSub p w := by
   classical
     constructor
     · rcases isEmpty_or_nonempty ι with (hι | ⟨⟨i0⟩⟩)
@@ -1059,7 +1059,7 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
           (l : ι → k) - Function.update (Function.const ι 0 : ι → k) i0 (∑ i in l.support, l i) with
           hwdef
         use w
-        have hw : (∑ i in insert i0 l.support, w i) = 0 := by
+        have hw : ∑ i in insert i0 l.support, w i = 0 := by
           rw [hwdef]
           simp_rw [Pi.sub_apply, Finset.sum_sub_distrib,
             Finset.sum_update_of_mem (Finset.mem_insert_self _ _),
@@ -1092,7 +1092,7 @@ variable {k}
 `eq_affineCombination_of_mem_affineSpan_of_fintype`. -/
 theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (s : Finset ι) (w : ι → k) (_ : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w := by
+    ∃ (s : Finset ι) (w : ι → k) (_ : ∑ i in s, w i = 1), p1 = s.affineCombination k p w := by
   classical
     have hn : (affineSpan k (Set.range p) : Set P).Nonempty := ⟨p1, h⟩
     rw [affineSpan_nonempty, Set.range_nonempty_iff_nonempty] at hn
@@ -1104,13 +1104,13 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
     rcases hd with ⟨s, w, h, hs⟩
     let s' := insert i0 s
     let w' := Set.indicator (↑s) w
-    have h' : (∑ i in s', w' i) = 0 := by
+    have h' : ∑ i in s', w' i = 0 := by
       rw [← h, Set.sum_indicator_subset _ (Finset.subset_insert i0 s)]
     have hs' : s'.weightedVSub p w' = p1 -ᵥ p i0 := by
       rw [hs]
       exact (Finset.weightedVSub_indicator_subset _ _ (Finset.subset_insert i0 s)).symm
     let w0 : ι → k := Function.update (Function.const ι 0) i0 1
-    have hw0 : (∑ i in s', w0 i) = 1 := by
+    have hw0 : ∑ i in s', w0 i = 1 := by
       rw [Finset.sum_update_of_mem (Finset.mem_insert_self _ _)]
       simp only [Finset.mem_insert, true_or, not_true, Function.const_apply, Finset.sum_const_zero,
         add_zero]
@@ -1127,7 +1127,7 @@ theorem eq_affineCombination_of_mem_affineSpan {p1 : P} {p : ι → P}
 
 theorem eq_affineCombination_of_mem_affineSpan_of_fintype [Fintype ι] {p1 : P} {p : ι → P}
     (h : p1 ∈ affineSpan k (Set.range p)) :
-    ∃ (w : ι → k) (_ : (∑ i, w i) = 1), p1 = Finset.univ.affineCombination k p w := by
+    ∃ (w : ι → k) (_ : ∑ i, w i = 1), p1 = Finset.univ.affineCombination k p w := by
   classical
     obtain ⟨s, w, hw, rfl⟩ := eq_affineCombination_of_mem_affineSpan h
     refine'
@@ -1143,7 +1143,7 @@ if it is an `affineCombination` with sum of weights 1, provided the
 underlying ring is nontrivial. -/
 theorem mem_affineSpan_iff_eq_affineCombination [Nontrivial k] {p1 : P} {p : ι → P} :
     p1 ∈ affineSpan k (Set.range p) ↔
-      ∃ (s : Finset ι) (w : ι → k) (_ : (∑ i in s, w i) = 1), p1 = s.affineCombination k p w := by
+      ∃ (s : Finset ι) (w : ι → k) (_ : ∑ i in s, w i = 1), p1 = s.affineCombination k p w := by
   constructor
   · exact eq_affineCombination_of_mem_affineSpan
   · rintro ⟨s, w, hw, rfl⟩

Co-authored-by: Scott Morrison <scott.morrison@anu.edu.au> Co-authored-by: Parcly Taxel <reddeloostw@gmail.com>

@@ -624,9 +624,9 @@ indexed family whose index type is the subtype corresponding to that
 subset. -/
 theorem eq_affineCombination_subset_iff_eq_affineCombination_subtype {p0 : P} {s : Set ι}
     {p : ι → P} :
-    (∃ (fs : Finset ι)(_ : ↑fs ⊆ s)(w : ι → k)(_ : (∑ i in fs, w i) = 1),
+    (∃ (fs : Finset ι) (_ : ↑fs ⊆ s) (w : ι → k) (_ : (∑ i in fs, w i) = 1),
         p0 = fs.affineCombination k p w) ↔
-      ∃ (fs : Finset s)(w : s → k)(_ : (∑ i in fs, w i) = 1),
+      ∃ (fs : Finset s) (w : s → k) (_ : (∑ i in fs, w i) = 1),
         p0 = fs.affineCombination k (fun i : s => p i) w := by
   simp_rw [affineCombination_apply, eq_vadd_iff_vsub_eq]
   exact eq_weightedVSubOfPoint_subset_iff_eq_weightedVSubOfPoint_subtype

• Run a non-interactive version of fix-comments.py on all files.
• Go through the diff and manually add/discard/edit chunks.

@@ -884,7 +884,7 @@ theorem centroid_pair_fin [Invertible (2 : k)] (p : Fin 2 → P) :
 #align finset.centroid_pair_fin Finset.centroid_pair_fin
 
 /-- A centroid, over the image of an embedding, equals a centroid with
-the same points and weights over the original `finset`. -/
+the same points and weights over the original `Finset`. -/
 theorem centroid_map (e : ι₂ ↪ ι) (p : ι → P) : (s₂.map e).centroid k p = s₂.centroid k (p ∘ e) :=
   by simp [centroid_def, affineCombination_map, centroidWeights]
 #align finset.centroid_map Finset.centroid_map

The main breaking change is that tac <;> [t1, t2] is now written tac <;> [t1; t2], to avoid clashing with tactics like cases and use that take comma-separated lists.

@@ -1193,7 +1193,7 @@ theorem affineSpan_eq_affineSpan_lineMap_units [Nontrivial k] {s : Set P} {p : P
     <;> erw [mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd k V _ (⟨p, hp⟩ : s) q] at hq ⊢
     <;> obtain ⟨t, μ, rfl⟩ := hq
     <;> use t
-    <;> [(use fun x => μ x * ↑(w x)), (use fun x => μ x * ↑(w x)⁻¹)]
+    <;> [use fun x => μ x * ↑(w x); use fun x => μ x * ↑(w x)⁻¹]
     <;> simp [smul_smul]
 #align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_units
 

Now that leanprover/lean4#2210 has been merged, this PR:

• removes all the set_option synthInstance.etaExperiment true commands (and some etaExperiment% term elaborators)
• removes many but not quite all set_option maxHeartbeats commands
• makes various other changes required to cope with leanprover/lean4#2210.

Co-authored-by: Scott Morrison <scott.morrison@anu.edu.au> Co-authored-by: Scott Morrison <scott.morrison@gmail.com> Co-authored-by: Matthew Ballard <matt@mrb.email>

@@ -47,7 +47,6 @@ These definitions are for sums over a `Finset`; versions for a
 -/
 
 
-set_option synthInstance.etaExperiment true -- Porting note: gets around lean4#2074
 
 noncomputable section
 

closes #3680, see https://leanprover.zulipchat.com/#narrow/stream/287929-mathlib4/topic/Stepping.20through.20simp_rw/near/326712986

@@ -1063,9 +1063,8 @@ theorem mem_vectorSpan_iff_eq_weightedVSub {v : V} {p : ι → P} :
         have hw : (∑ i in insert i0 l.support, w i) = 0 := by
           rw [hwdef]
           simp_rw [Pi.sub_apply, Finset.sum_sub_distrib,
-            Finset.sum_update_of_mem (Finset.mem_insert_self _ _), Finset.sum_const_zero,
-            Finset.sum_insert_of_eq_zero_if_not_mem Finsupp.not_mem_support_iff.1, add_zero,
-            sub_self]
+            Finset.sum_update_of_mem (Finset.mem_insert_self _ _),
+            Finset.sum_insert_of_eq_zero_if_not_mem Finsupp.not_mem_support_iff.1]
           simp only [Finsupp.mem_support_iff, ne_eq, Finset.mem_insert, true_or, not_true,
             Function.const_apply, Finset.sum_const_zero, add_zero, sub_self]
         use hw

@@ -1195,14 +1195,8 @@ theorem affineSpan_eq_affineSpan_lineMap_units [Nontrivial k] {s : Set P} {p : P
     <;> erw [mem_affineSpan_iff_eq_weightedVSubOfPoint_vadd k V _ (⟨p, hp⟩ : s) q] at hq ⊢
     <;> obtain ⟨t, μ, rfl⟩ := hq
     <;> use t
-    -- Porting note: remaining proof was:
-    --<;> [use fun x => μ x * ↑(w x), use fun x => μ x * ↑(w x)⁻¹]
-    --<;> simp [smul_smul]
-    -- but this fails with `no enough tactics` error
-  { use fun x => μ x * ↑(w x)
-    simp [smul_smul] }
-  { use fun x => μ x * ↑(w x)⁻¹
-    simp [smul_smul] }
+    <;> [(use fun x => μ x * ↑(w x)), (use fun x => μ x * ↑(w x)⁻¹)]
+    <;> simp [smul_smul]
 #align affine_span_eq_affine_span_line_map_units affineSpan_eq_affineSpan_lineMap_units
 
 end AffineSpace'
@@ -1255,27 +1249,15 @@ variable [AffineSpace V P] {ι : Type _} (s : Finset ι)
 
 -- TODO: define `affineMap.proj`, `affineMap.fst`, `affineMap.snd`
 /-- A weighted sum, as an affine map on the points involved. -/
-def weightedVSubOfPoint (w : ι → k) : (ι → P) × P →ᵃ[k] V
-    where
+def weightedVSubOfPoint (w : ι → k) : (ι → P) × P →ᵃ[k] V where
   toFun p := s.weightedVSubOfPoint p.fst p.snd w
   linear := ∑ i in s, w i • ((LinearMap.proj i).comp (LinearMap.fst _ _ _) - LinearMap.snd _ _ _)
   map_vadd' := by
     rintro ⟨p, b⟩ ⟨v, b'⟩
-    simp only [Finset.weightedVSubOfPoint_apply, LinearMap.coeFn_sum, Finset.sum_apply,
-      LinearMap.smul_apply, LinearMap.sub_apply, LinearMap.coe_comp, LinearMap.coe_proj,
-      Function.eval, Function.comp_apply, LinearMap.fst_apply, LinearMap.snd_apply, vadd_eq_add]
-    rw [← Finset.sum_add_distrib]
-    refine Finset.sum_congr rfl (fun x _ => ?_)
-    rw [← smul_add]
-    congr
-    -- Porting note: `simp` fails to simplify `Prod.fst` and `Prod.snd`
-    change (v +ᵥ p) x -ᵥ (b' +ᵥ b) = _
-    rw [Pi.vadd_apply', sub_add_eq_add_sub, vsub_vadd_eq_vsub_sub, vadd_vsub_assoc]
-    -- Porting note proof was:
-    --rintro ⟨p, b⟩ ⟨v, b'⟩
-    --simp only [LinearMap.sum_apply, Finset.weightedVSubOfPoint, vsub_vadd_eq_vsub_sub,
-    --  vadd_vsub_assoc,
-    --  add_sub, ← sub_add_eq_add_sub, smul_add, Finset.sum_add_distrib]
+    -- Porting note: needed to give `Prod.mk_vadd_mk` a hint
+    simp [LinearMap.sum_apply, Finset.weightedVSubOfPoint, vsub_vadd_eq_vsub_sub,
+     vadd_vsub_assoc,
+     add_sub, ← sub_add_eq_add_sub, smul_add, Finset.sum_add_distrib, Prod.mk_vadd_mk v]
 #align affine_map.weighted_vsub_of_point AffineMap.weightedVSubOfPoint
 
 end AffineMap

The hash was out of date due to a fix in the mathlib3 file, which was needed for porting.

• linear_algebra.affine_space.combination@87c54600fe3cdc7d32ff5b50873ac724d86aef8d..2de9c37fa71dde2f1c6feff19876dd6a7b1519f0

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Myers
 
 ! This file was ported from Lean 3 source module linear_algebra.affine_space.combination
-! leanprover-community/mathlib commit 87c54600fe3cdc7d32ff5b50873ac724d86aef8d
+! leanprover-community/mathlib commit 2de9c37fa71dde2f1c6feff19876dd6a7b1519f0
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/

Co-authored-by: Jireh Loreaux <loreaujy@gmail.com> Co-authored-by: Parcly Taxel <reddeloostw@gmail.com>