control.equiv_functor | Mathlib porting status

Changes since the initial port

The following section lists changes to this file in mathlib3 and mathlib4 that occured after the initial port. Most recent changes are shown first. Hovering over a commit will show all commits associated with the same mathlib3 commit.

Changes in mathlib3

d6aae1bc

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

448144f7

bump to nightly-2023-09-24-06

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

5655435f

Diff

@@ -3,7 +3,7 @@ Copyright (c) 2020 Scott Morrison. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Scott Morrison
 -/
-import Mathbin.Logic.Equiv.Defs
+import Logic.Equiv.Defs
 
 #align_import control.equiv_functor from "leanprover-community/mathlib"@"448144f7ae193a8990cb7473c9e9a01990f64ac7"

448144f7

bump to nightly-2023-09-06-06

mathlib commit https://github.com/leanprover-community/mathlib/commit/442a83d738cb208d3600056c489be16900ba701d

f3106448

Diff

@@ -38,10 +38,6 @@ class EquivFunctor (f : Type u₀ → Type u₁) where
 #align equiv_functor EquivFunctor
 -/
 
-restate_axiom EquivFunctor.map_refl'
-
-restate_axiom EquivFunctor.map_trans'
-
 attribute [simp] EquivFunctor.map_refl
 
 namespace EquivFunctor

448144f7

bump to nightly-2023-07-20-09

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

9c56d0dd

Diff

@@ -2,14 +2,11 @@
 Copyright (c) 2020 Scott Morrison. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Scott Morrison
-
-! This file was ported from Lean 3 source module control.equiv_functor
-! leanprover-community/mathlib commit 448144f7ae193a8990cb7473c9e9a01990f64ac7
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Logic.Equiv.Defs
 
+#align_import control.equiv_functor from "leanprover-community/mathlib"@"448144f7ae193a8990cb7473c9e9a01990f64ac7"
+
 /-!
 # Functions functorial with respect to equivalences

448144f7

bump to nightly-2023-06-04-18

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

3fb4268b

Diff

@@ -58,8 +58,8 @@ variable (f : Type u₀ → Type u₁) [EquivFunctor f] {α β : Type u₀} (e :
 def mapEquiv : f α ≃ f β where
   toFun := EquivFunctor.map e
   invFun := EquivFunctor.map e.symm
-  left_inv x := by convert(congr_fun (EquivFunctor.map_trans e e.symm) x).symm; simp
-  right_inv y := by convert(congr_fun (EquivFunctor.map_trans e.symm e) y).symm; simp
+  left_inv x := by convert (congr_fun (EquivFunctor.map_trans e e.symm) x).symm; simp
+  right_inv y := by convert (congr_fun (EquivFunctor.map_trans e.symm e) y).symm; simp
 #align equiv_functor.map_equiv EquivFunctor.mapEquiv
 -/

448144f7

bump to nightly-2023-05-28-04

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

6797a637

Diff

@@ -58,12 +58,8 @@ variable (f : Type u₀ → Type u₁) [EquivFunctor f] {α β : Type u₀} (e :
 def mapEquiv : f α ≃ f β where
   toFun := EquivFunctor.map e
   invFun := EquivFunctor.map e.symm
-  left_inv x := by
-    convert(congr_fun (EquivFunctor.map_trans e e.symm) x).symm
-    simp
-  right_inv y := by
-    convert(congr_fun (EquivFunctor.map_trans e.symm e) y).symm
-    simp
+  left_inv x := by convert(congr_fun (EquivFunctor.map_trans e e.symm) x).symm; simp
+  right_inv y := by convert(congr_fun (EquivFunctor.map_trans e.symm e) y).symm; simp
 #align equiv_functor.map_equiv EquivFunctor.mapEquiv
 -/
 
@@ -112,12 +108,8 @@ end
 instance (priority := 100) ofLawfulFunctor (f : Type u₀ → Type u₁) [Functor f] [LawfulFunctor f] :
     EquivFunctor f where
   map α β e := Functor.map e
-  map_refl' α := by
-    ext
-    apply LawfulFunctor.id_map
-  map_trans' α β γ k h := by
-    ext x
-    apply LawfulFunctor.comp_map k h x
+  map_refl' α := by ext; apply LawfulFunctor.id_map
+  map_trans' α β γ k h := by ext x; apply LawfulFunctor.comp_map k h x
 #align equiv_functor.of_is_lawful_functor EquivFunctor.ofLawfulFunctor
 -/

448144f7

bump to nightly-2023-03-17-00

mathlib commit https://github.com/leanprover-community/mathlib/commit/ce7e9d53d4bbc38065db3b595cd5bd73c323bc1d

c85864d4

Diff

@@ -59,10 +59,10 @@ def mapEquiv : f α ≃ f β where
   toFun := EquivFunctor.map e
   invFun := EquivFunctor.map e.symm
   left_inv x := by
-    convert (congr_fun (EquivFunctor.map_trans e e.symm) x).symm
+    convert(congr_fun (EquivFunctor.map_trans e e.symm) x).symm
     simp
   right_inv y := by
-    convert (congr_fun (EquivFunctor.map_trans e.symm e) y).symm
+    convert(congr_fun (EquivFunctor.map_trans e.symm e) y).symm
     simp
 #align equiv_functor.map_equiv EquivFunctor.mapEquiv
 -/

448144f7

bump to nightly-2023-02-21-16

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

1107b979

Changes in mathlib4

mathlib3

mathlib4

d6aae1bc

chore: squeeze some non-terminal simps (#11247)

This PR accompanies #11246, squeezing some non-terminal simps highlighted by the linter until I decided to stop!

1ad8c3fe

Diff

@@ -68,7 +68,7 @@ theorem mapEquiv_symm_apply (y : f β) : (mapEquiv f e).symm y = EquivFunctor.ma
 
 @[simp]
 theorem mapEquiv_refl (α) : mapEquiv f (Equiv.refl α) = Equiv.refl (f α) := by
- simp [EquivFunctor.mapEquiv]; rfl
+ simp only [mapEquiv, map_refl', Equiv.refl_symm]; rfl
 #align equiv_functor.map_equiv_refl EquivFunctor.mapEquiv_refl
 
 @[simp]

d6aae1bc

chore(*): replace $ with <| (#9319)

See Zulip thread for the discussion.

9f6d3388

Diff

@@ -73,7 +73,7 @@ theorem mapEquiv_refl (α) : mapEquiv f (Equiv.refl α) = Equiv.refl (f α) := b
 
 @[simp]
 theorem mapEquiv_symm : (mapEquiv f e).symm = mapEquiv f e.symm :=
-  Equiv.ext $ mapEquiv_symm_apply f e
+  Equiv.ext <| mapEquiv_symm_apply f e
 #align equiv_functor.map_equiv_symm EquivFunctor.mapEquiv_symm
 
 /-- The composition of `mapEquiv`s is carried over the `EquivFunctor`.

d6aae1bc

chore(*): drop $/<| before fun (#9361)

Subset of #9319

3694e27d

Diff

@@ -83,7 +83,7 @@ or `map_comp_map` when not applied.
 @[simp]
 theorem mapEquiv_trans {γ : Type u₀} (ab : α ≃ β) (bc : β ≃ γ) :
     (mapEquiv f ab).trans (mapEquiv f bc) = mapEquiv f (ab.trans bc) :=
-  Equiv.ext $ fun x => by simp [mapEquiv, map_trans']
+  Equiv.ext fun x => by simp [mapEquiv, map_trans']
 #align equiv_functor.map_equiv_trans EquivFunctor.mapEquiv_trans
 
 end
@@ -104,7 +104,7 @@ theorem mapEquiv.injective (f : Type u₀ → Type u₁)
     (h : ∀ γ, Function.Injective (pure : γ → f γ)) :
       Function.Injective (@EquivFunctor.mapEquiv f _ α β) :=
   fun e₁ e₂ H =>
-    Equiv.ext $ fun x => h β (by simpa [EquivFunctor.map] using Equiv.congr_fun H (pure x))
+    Equiv.ext fun x => h β (by simpa [EquivFunctor.map] using Equiv.congr_fun H (pure x))
 #align equiv_functor.map_equiv.injective EquivFunctor.mapEquiv.injective
 
 end EquivFunctor

d6aae1bc

chore: delay import of Tactic.Common (#7000)

I know that this is contrary to what we've done previously, but:

I'm trying to upstream a great many tactics from Mathlib to Std (essentially, everything that non-mathematicians want too).
This makes it much easier for me to see what is going on, and understand the import requirements (particularly for the "big" tactics norm_num / ring / linarith)
It's actually not as bad as it looks here, because as these tactics move up to Std they will start disappearing again from explicit imports, but Mathlib can happily import all of Std.

(Oh

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

4f3418a7

Diff

@@ -4,6 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Scott Morrison
 -/
 import Mathlib.Logic.Equiv.Defs
+import Mathlib.Tactic.Convert
 
 #align_import control.equiv_functor from "leanprover-community/mathlib"@"d6aae1bcbd04b8de2022b9b83a5b5b10e10c777d"

d6aae1bc

chore: script to replace headers with #align_import statements (#5979)

depends on: #5966

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

89aa3a3b

Diff

@@ -2,14 +2,11 @@
 Copyright (c) 2020 Scott Morrison. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Scott Morrison
-
-! This file was ported from Lean 3 source module control.equiv_functor
-! leanprover-community/mathlib commit d6aae1bcbd04b8de2022b9b83a5b5b10e10c777d
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Logic.Equiv.Defs
 
+#align_import control.equiv_functor from "leanprover-community/mathlib"@"d6aae1bcbd04b8de2022b9b83a5b5b10e10c777d"
+
 /-!
 # Functions functorial with respect to equivalences

d6aae1bc

feat: add Mathlib.Tactic.Common, and import (#4056)

This makes a mathlib4 version of mathlib3's tactic.basic, now called Mathlib.Tactic.Common, which imports all tactics which do not have significant theory requirements, and then is imported all across the base of the hierarchy.

This ensures that all common tactics are available nearly everywhere in the library, rather than having to be imported one-by-one as you need them.

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

a4eaf1c4

Diff

@@ -9,7 +9,6 @@ Authors: Scott Morrison
 ! if you have ported upstream changes.
 -/
 import Mathlib.Logic.Equiv.Defs
-import Mathlib.Tactic.Convert
 
 /-!
 # Functions functorial with respect to equivalences

d6aae1bc

chore: add source headers to ported theory files (#1094)

The script used to do this is included. The yaml file was obtained from https://raw.githubusercontent.com/wiki/leanprover-community/mathlib/mathlib4-port-status.md

f168625e

Diff

@@ -2,6 +2,11 @@
 Copyright (c) 2020 Scott Morrison. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Scott Morrison
+
+! This file was ported from Lean 3 source module control.equiv_functor
+! leanprover-community/mathlib commit d6aae1bcbd04b8de2022b9b83a5b5b10e10c777d
+! Please do not edit these lines, except to modify the commit id
+! if you have ported upstream changes.
 -/
 import Mathlib.Logic.Equiv.Defs
 import Mathlib.Tactic.Convert

`control.equiv_functor` ⟷ `Mathlib.Control.EquivFunctor`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 10

control.equiv_functor ⟷ Mathlib.Control.EquivFunctor

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 10

`control.equiv_functor` ⟷ `Mathlib.Control.EquivFunctor`