algebra.category.Group.preadditive | 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

829895f1

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

31ca6f9c

bump to nightly-2024-04-06-08

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

e34029c9

Diff

@@ -3,7 +3,7 @@ Copyright (c) 2020 Markus Himmel. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Markus Himmel
 -/
-import Algebra.Category.Group.Basic
+import Algebra.Category.GroupCat.Basic
 import CategoryTheory.Preadditive.Basic
 
 #align_import algebra.category.Group.preadditive from "leanprover-community/mathlib"@"31ca6f9cf5f90a6206092cd7f84b359dcb6d52e0"

31ca6f9c

bump to nightly-2023-09-24-06

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

5655435f

Diff

@@ -3,8 +3,8 @@ Copyright (c) 2020 Markus Himmel. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Markus Himmel
 -/
-import Mathbin.Algebra.Category.Group.Basic
-import Mathbin.CategoryTheory.Preadditive.Basic
+import Algebra.Category.Group.Basic
+import CategoryTheory.Preadditive.Basic
 
 #align_import algebra.category.Group.preadditive from "leanprover-community/mathlib"@"31ca6f9cf5f90a6206092cd7f84b359dcb6d52e0"

31ca6f9c

bump to nightly-2023-07-20-09

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

9c56d0dd

Diff

@@ -2,15 +2,12 @@
 Copyright (c) 2020 Markus Himmel. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Markus Himmel
-
-! This file was ported from Lean 3 source module algebra.category.Group.preadditive
-! leanprover-community/mathlib commit 31ca6f9cf5f90a6206092cd7f84b359dcb6d52e0
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Algebra.Category.Group.Basic
 import Mathbin.CategoryTheory.Preadditive.Basic
 
+#align_import algebra.category.Group.preadditive from "leanprover-community/mathlib"@"31ca6f9cf5f90a6206092cd7f84b359dcb6d52e0"
+
 /-!
 # The category of additive commutative groups is preadditive.

31ca6f9c

bump to nightly-2023-05-28-04

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

6797a637

Diff

@@ -27,14 +27,8 @@ namespace AddCommGroupCat
 
 instance : Preadditive AddCommGroupCat
     where
-  add_comp P Q R f f' g :=
-    show (f + f') ≫ g = f ≫ g + f' ≫ g by
-      ext
-      simp
-  comp_add P Q R f g g' :=
-    show f ≫ (g + g') = f ≫ g + f ≫ g' by
-      ext
-      simp
+  add_comp P Q R f f' g := show (f + f') ≫ g = f ≫ g + f' ≫ g by ext; simp
+  comp_add P Q R f g g' := show f ≫ (g + g') = f ≫ g + f ≫ g' by ext; simp
 
 end AddCommGroupCat

31ca6f9c

bump to nightly-2023-04-04-02

mathlib commit https://github.com/leanprover-community/mathlib/commit/3cacc945118c8c637d89950af01da78307f59325

2ee17135

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Markus Himmel
 
 ! This file was ported from Lean 3 source module algebra.category.Group.preadditive
-! leanprover-community/mathlib commit 829895f162a1f29d0133f4b3538f4cd1fb5bffd3
+! leanprover-community/mathlib commit 31ca6f9cf5f90a6206092cd7f84b359dcb6d52e0
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -13,6 +13,9 @@ import Mathbin.CategoryTheory.Preadditive.Basic
 
 /-!
 # The category of additive commutative groups is preadditive.
+
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
 -/

829895f1

bump to nightly-2023-03-09-08

mathlib commit https://github.com/leanprover-community/mathlib/commit/21e3562c5e12d846c7def5eff8cdbc520d7d4936

a3ca2eeb

Diff

@@ -24,11 +24,11 @@ namespace AddCommGroupCat
 
 instance : Preadditive AddCommGroupCat
     where
-  add_comp' P Q R f f' g :=
+  add_comp P Q R f f' g :=
     show (f + f') ≫ g = f ≫ g + f' ≫ g by
       ext
       simp
-  comp_add' P Q R f g g' :=
+  comp_add P Q R f g g' :=
     show f ≫ (g + g') = f ≫ g + f ≫ g' by
       ext
       simp

829895f1

bump to nightly-2023-02-21-16

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

1107b979

Changes in mathlib4

mathlib3

mathlib4

829895f1

style: homogenise porting notes (#11145)

Homogenises porting notes via capitalisation and addition of whitespace.

It makes the following changes:

converts "--porting note" into "-- Porting note";
converts "porting note" into "Porting note".

8be0b69c

Diff

@@ -28,7 +28,7 @@ lemma hom_add_apply {P Q : AddCommGroupCat} (f g : P ⟶ Q) (x : P) : (f + g) x
 
 section
 
--- porting note: the simp attribute was locally deactivated here,
+-- Porting note: the simp attribute was locally deactivated here,
 -- otherwise Lean would try to infer `Preadditive AddCommGroupCat`
 -- in order to prove the axioms `add_comp` and `comp_add` in the
 -- next instance declaration

829895f1

chore: classify lemma was not necessary porting notes (category theory) (#10674)

Classifies by adding issue number (#10688) to porting notes claiming ext/simp lemma was not necessary.

Co-authored-by: Joël Riou <joel.riou@universite-paris-saclay.fr>

6590f149

Diff

@@ -22,7 +22,7 @@ namespace AddCommGroupCat
 instance (P Q : AddCommGroupCat) : AddCommGroup (P ⟶ Q) :=
   (inferInstance : AddCommGroup (AddMonoidHom P Q))
 
--- porting note: this lemma was not necessary in mathlib
+-- porting note (#10688): this lemma was not necessary in mathlib
 @[simp]
 lemma hom_add_apply {P Q : AddCommGroupCat} (f g : P ⟶ Q) (x : P) : (f + g) x = f x + g x := rfl

829895f1

chore: add issue number to instance was not necessary porting notes (#10671)

Adds issue number (#10670) to porting notes claiming instance was not necessary.

dcfd3b10

Diff

@@ -18,7 +18,7 @@ universe u
 
 namespace AddCommGroupCat
 
--- porting note: this instance was not necessary in mathlib
+-- porting note (#10670): this instance was not necessary in mathlib
 instance (P Q : AddCommGroupCat) : AddCommGroup (P ⟶ Q) :=
   (inferInstance : AddCommGroup (AddMonoidHom P Q))

829895f1

chore: only four spaces for subsequent lines (#7286)

Co-authored-by: Moritz Firsching <firsching@google.com>

0c7d6fa5

Diff

@@ -24,8 +24,7 @@ instance (P Q : AddCommGroupCat) : AddCommGroup (P ⟶ Q) :=
 
 -- porting note: this lemma was not necessary in mathlib
 @[simp]
-lemma hom_add_apply {P Q : AddCommGroupCat} (f g : P ⟶ Q) (x : P) :
-  (f + g) x = f x + g x := rfl
+lemma hom_add_apply {P Q : AddCommGroupCat} (f g : P ⟶ Q) (x : P) : (f + g) x = f x + g x := rfl
 
 section

829895f1

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

@@ -2,15 +2,12 @@
 Copyright (c) 2020 Markus Himmel. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Markus Himmel
-
-! This file was ported from Lean 3 source module algebra.category.Group.preadditive
-! leanprover-community/mathlib commit 829895f162a1f29d0133f4b3538f4cd1fb5bffd3
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Algebra.Category.GroupCat.Basic
 import Mathlib.CategoryTheory.Preadditive.Basic
 
+#align_import algebra.category.Group.preadditive from "leanprover-community/mathlib"@"829895f162a1f29d0133f4b3538f4cd1fb5bffd3"
+
 /-!
 # The category of additive commutative groups is preadditive.
 -/

829895f1

feat: port Algebra.Category.Group.Preadditive (#3144)

d8d0c899

`algebra.category.Group.preadditive` ⟷ `Mathlib.Algebra.Category.GroupCat.Preadditive`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 3 + 296

algebra.category.Group.preadditive ⟷ Mathlib.Algebra.Category.GroupCat.Preadditive

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 3 + 296

`algebra.category.Group.preadditive` ⟷ `Mathlib.Algebra.Category.GroupCat.Preadditive`