category_theory.functor.functorial | 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

afad8e43

(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) 2019 Scott Morrison. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Scott Morrison
 -/
-import Mathbin.CategoryTheory.Functor.Basic
+import CategoryTheory.Functor.Basic
 
 #align_import category_theory.functor.functorial from "leanprover-community/mathlib"@"448144f7ae193a8990cb7473c9e9a01990f64ac7"

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) 2019 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 category_theory.functor.functorial
-! 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.CategoryTheory.Functor.Basic
 
+#align_import category_theory.functor.functorial from "leanprover-community/mathlib"@"448144f7ae193a8990cb7473c9e9a01990f64ac7"
+
 /-!
 # Unbundled functors, as a typeclass decorating the object-level function.

448144f7

bump to nightly-2023-06-13-21

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

829520ac

Diff

@@ -83,10 +83,12 @@ end Functor
 instance (F : C ⥤ D) : Functorial.{v₁, v₂} F.obj :=
   { F with }
 
+#print CategoryTheory.map_functorial_obj /-
 @[simp]
 theorem map_functorial_obj (F : C ⥤ D) {X Y : C} (f : X ⟶ Y) : map F.obj f = F.map f :=
   rfl
 #align category_theory.map_functorial_obj CategoryTheory.map_functorial_obj
+-/
 
 #print CategoryTheory.functorial_id /-
 instance functorial_id : Functorial.{v₁, v₁} (id : C → C) where map X Y f := f

448144f7

bump to nightly-2023-05-28-06

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

ba5d8b97

Diff

@@ -83,12 +83,6 @@ end Functor
 instance (F : C ⥤ D) : Functorial.{v₁, v₂} F.obj :=
   { F with }
 
-/- warning: category_theory.map_functorial_obj -> CategoryTheory.map_functorial_obj is a dubious translation:
-lean 3 declaration is
-  forall {C : Type.{u3}} [_inst_1 : CategoryTheory.Category.{u1, u3} C] {D : Type.{u4}} [_inst_2 : CategoryTheory.Category.{u2, u4} D] (F : CategoryTheory.Functor.{u1, u2, u3, u4} C _inst_1 D _inst_2) {X : C} {Y : C} (f : Quiver.Hom.{succ u1, u3} C (CategoryTheory.CategoryStruct.toQuiver.{u1, u3} C (CategoryTheory.Category.toCategoryStruct.{u1, u3} C _inst_1)) X Y), Eq.{succ u2} (Quiver.Hom.{succ u2, u4} D (CategoryTheory.CategoryStruct.toQuiver.{u2, u4} D (CategoryTheory.Category.toCategoryStruct.{u2, u4} D _inst_2)) (CategoryTheory.Functor.obj.{u1, u2, u3, u4} C _inst_1 D _inst_2 F X) (CategoryTheory.Functor.obj.{u1, u2, u3, u4} C _inst_1 D _inst_2 F Y)) (CategoryTheory.map.{u1, u2, u3, u4} C _inst_1 D _inst_2 (CategoryTheory.Functor.obj.{u1, u2, u3, u4} C _inst_1 D _inst_2 F) (CategoryTheory.Functor.obj.functorial.{u1, u2, u3, u4} C _inst_1 D _inst_2 F) X Y f) (CategoryTheory.Functor.map.{u1, u2, u3, u4} C _inst_1 D _inst_2 F X Y f)
-but is expected to have type
-  forall {C : Type.{u3}} [_inst_1 : CategoryTheory.Category.{u1, u3} C] {D : Type.{u4}} [_inst_2 : CategoryTheory.Category.{u2, u4} D] (F : CategoryTheory.Functor.{u1, u2, u3, u4} C _inst_1 D _inst_2) {X : C} {Y : C} (f : Quiver.Hom.{succ u1, u3} C (CategoryTheory.CategoryStruct.toQuiver.{u1, u3} C (CategoryTheory.Category.toCategoryStruct.{u1, u3} C _inst_1)) X Y), Eq.{succ u2} (Quiver.Hom.{succ u2, u4} D (CategoryTheory.CategoryStruct.toQuiver.{u2, u4} D (CategoryTheory.Category.toCategoryStruct.{u2, u4} D _inst_2)) (Prefunctor.obj.{succ u1, succ u2, u3, u4} C (CategoryTheory.CategoryStruct.toQuiver.{u1, u3} C (CategoryTheory.Category.toCategoryStruct.{u1, u3} C _inst_1)) D (CategoryTheory.CategoryStruct.toQuiver.{u2, u4} D (CategoryTheory.Category.toCategoryStruct.{u2, u4} D _inst_2)) (CategoryTheory.Functor.toPrefunctor.{u1, u2, u3, u4} C _inst_1 D _inst_2 F) X) (Prefunctor.obj.{succ u1, succ u2, u3, u4} C (CategoryTheory.CategoryStruct.toQuiver.{u1, u3} C (CategoryTheory.Category.toCategoryStruct.{u1, u3} C _inst_1)) D (CategoryTheory.CategoryStruct.toQuiver.{u2, u4} D (CategoryTheory.Category.toCategoryStruct.{u2, u4} D _inst_2)) (CategoryTheory.Functor.toPrefunctor.{u1, u2, u3, u4} C _inst_1 D _inst_2 F) Y)) (CategoryTheory.map.{u1, u2, u3, u4} C _inst_1 D _inst_2 (Prefunctor.obj.{succ u1, succ u2, u3, u4} C (CategoryTheory.CategoryStruct.toQuiver.{u1, u3} C (CategoryTheory.Category.toCategoryStruct.{u1, u3} C _inst_1)) D (CategoryTheory.CategoryStruct.toQuiver.{u2, u4} D (CategoryTheory.Category.toCategoryStruct.{u2, u4} D _inst_2)) (CategoryTheory.Functor.toPrefunctor.{u1, u2, u3, u4} C _inst_1 D _inst_2 F)) (CategoryTheory.instFunctorialObjToQuiverToCategoryStructToQuiverToCategoryStructToPrefunctor.{u1, u2, u3, u4} C _inst_1 D _inst_2 F) X Y f) (Prefunctor.map.{succ u1, succ u2, u3, u4} C (CategoryTheory.CategoryStruct.toQuiver.{u1, u3} C (CategoryTheory.Category.toCategoryStruct.{u1, u3} C _inst_1)) D (CategoryTheory.CategoryStruct.toQuiver.{u2, u4} D (CategoryTheory.Category.toCategoryStruct.{u2, u4} D _inst_2)) (CategoryTheory.Functor.toPrefunctor.{u1, u2, u3, u4} C _inst_1 D _inst_2 F) X Y f)
-Case conversion may be inaccurate. Consider using '#align category_theory.map_functorial_obj CategoryTheory.map_functorial_objₓ'. -/
 @[simp]
 theorem map_functorial_obj (F : C ⥤ D) {X Y : C} (f : X ⟶ Y) : map F.obj f = F.map f :=
   rfl

448144f7

bump to nightly-2023-02-21-16

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

1107b979

Changes in mathlib4

mathlib3

mathlib4

afad8e43

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) 2019 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 category_theory.functor.functorial
-! leanprover-community/mathlib commit afad8e438d03f9d89da2914aa06cb4964ba87a18
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.CategoryTheory.Functor.Basic
 
+#align_import category_theory.functor.functorial from "leanprover-community/mathlib"@"afad8e438d03f9d89da2914aa06cb4964ba87a18"
+
 /-!
 # Unbundled functors, as a typeclass decorating the object-level function.
 -/

afad8e43

chore: fix grammar 1/3 (#5001)

All of these are doc fixes

d8caa37d

Diff

@@ -24,7 +24,7 @@ variable {C : Type u₁} [Category.{v₁} C] {D : Type u₂} [Category.{v₂} D]
 
 -- Perhaps in the future we could redefine `Functor` in terms of this, but that isn't the
 -- immediate plan.
-/-- A unbundled functor. -/
+/-- An unbundled functor. -/
 class Functorial (F : C → D) : Type max v₁ v₂ u₁ u₂ where
   /-- A functorial map extends to an action on morphisms. -/
   map' : ∀ {X Y : C}, (X ⟶ Y) → (F X ⟶ F Y)

afad8e43

chore: fix more casing errors per naming scheme (#1232)

I've avoided anything under Tactic or test.

In correcting the names, I found Option.isNone_iff_eq_none duplicated between Std and Mathlib, so the Mathlib one has been removed.

Co-authored-by: Reid Barton <rwbarton@gmail.com>

31a56f75

Diff

@@ -17,12 +17,12 @@ import Mathlib.CategoryTheory.Functor.Basic
 
 namespace CategoryTheory
 
--- declare the `v`'s first; see `category_theory.category` for an explanation
+-- declare the `v`'s first; see `CategoryTheory.Category` for an explanation
 universe v v₁ v₂ v₃ u u₁ u₂ u₃
 
 variable {C : Type u₁} [Category.{v₁} C] {D : Type u₂} [Category.{v₂} D]
 
--- Perhaps in the future we could redefine `functor` in terms of this, but that isn't the
+-- Perhaps in the future we could redefine `Functor` in terms of this, but that isn't the
 -- immediate plan.
 /-- A unbundled functor. -/
 class Functorial (F : C → D) : Type max v₁ v₂ u₁ u₂ where
@@ -36,7 +36,7 @@ class Functorial (F : C → D) : Type max v₁ v₂ u₁ u₂ where
 #align category_theory.functorial CategoryTheory.Functorial
 #align category_theory.functorial.map CategoryTheory.Functorial.map'
 
-/-- If `F : C → D` (just a function) has `[functorial F]`,
+/-- If `F : C → D` (just a function) has `[Functorial F]`,
 we can write `map F f : F X ⟶ F Y` for the action of `F` on a morphism `f : X ⟶ Y`.
 -/
 def map (F : C → D) [Functorial.{v₁, v₂} F] {X Y : C} (f : X ⟶ Y) : F X ⟶ F Y :=

afad8e43

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) 2019 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 category_theory.functor.functorial
+! leanprover-community/mathlib commit afad8e438d03f9d89da2914aa06cb4964ba87a18
+! Please do not edit these lines, except to modify the commit id
+! if you have ported upstream changes.
 -/
 import Mathlib.CategoryTheory.Functor.Basic

`category_theory.functor.functorial` ⟷ `Mathlib.CategoryTheory.Functor.Functorial`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 1

category_theory.functor.functorial ⟷ Mathlib.CategoryTheory.Functor.Functorial

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 1

`category_theory.functor.functorial` ⟷ `Mathlib.CategoryTheory.Functor.Functorial`