char_p_zero_ne_char_zero | 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

32837559

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

08b081ea

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) 2022 Damiano Testa. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Damiano Testa, Eric Wieser
 -/
-import Mathbin.Algebra.CharP.Basic
+import Algebra.CharP.Basic
 
 #align_import char_p_zero_ne_char_zero from "leanprover-community/mathlib"@"08b081ea92d80e3a41f899eea36ef6d56e0f1db0"

08b081ea

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) 2022 Damiano Testa. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Damiano Testa, Eric Wieser
-
-! This file was ported from Lean 3 source module char_p_zero_ne_char_zero
-! leanprover-community/mathlib commit 08b081ea92d80e3a41f899eea36ef6d56e0f1db0
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Algebra.CharP.Basic
 
+#align_import char_p_zero_ne_char_zero from "leanprover-community/mathlib"@"08b081ea92d80e3a41f899eea36ef6d56e0f1db0"
+
 /-! # `char_p R 0` and `char_zero R` need not coincide for semirings
 
 > THIS FILE IS SYNCHRONIZED WITH MATHLIB4.

08b081ea

bump to nightly-2023-07-17-03

mathlib commit https://github.com/leanprover-community/mathlib/commit/bf2428c9486c407ca38b5b3fb10b87dad0bc99fa

a159b65f

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Damiano Testa, Eric Wieser
 
 ! This file was ported from Lean 3 source module char_p_zero_ne_char_zero
-! leanprover-community/mathlib commit 328375597f2c0dd00522d9c2e5a33b6a6128feeb
+! leanprover-community/mathlib commit 08b081ea92d80e3a41f899eea36ef6d56e0f1db0
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -12,6 +12,9 @@ import Mathbin.Algebra.CharP.Basic
 
 /-! # `char_p R 0` and `char_zero R` need not coincide for semirings
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 For rings, the two notions coincide.
 
 In fact, `char_p.of_char_zero` shows that `char_zero R` implies `char_p R 0` for any `char_zero`

32837559

bump to nightly-2023-06-07-01

mathlib commit https://github.com/leanprover-community/mathlib/commit/a3209ddf94136d36e5e5c624b10b2a347cc9d090

176da745

Changes in mathlib4

mathlib3

mathlib4

32837559

chore: move to v4.6.0-rc1, merging adaptations from bump/v4.6.0 (#10176)

Co-authored-by: Scott Morrison <scott.morrison@gmail.com> Co-authored-by: Eric Wieser <wieser.eric@gmail.com> Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>

490d2d48

Diff

@@ -34,7 +34,7 @@ theorem withZero_unit_charP_zero : CharP (WithZero Unit) 0 :=
 #align counterexample.with_zero_unit_char_p_zero Counterexample.withZero_unit_charP_zero
 
 theorem withZero_unit_not_charZero : ¬CharZero (WithZero Unit) := fun ⟨h⟩ =>
-  h.ne (by simp : 1 + 1 ≠ 0 + 1) (by simp)
+  h.ne (by simp : 1 + 1 ≠ 0 + 1) (by set_option simprocs false in simp)
 #align counterexample.with_zero_unit_not_char_zero Counterexample.withZero_unit_not_charZero
 
 end Counterexample

32837559

chore: split Algebra.CharP.Basic, reduce imports in RingTheory.Multiplicity (#8637)

This was adding unnecessary imports to Data.ZMod.Basic.

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

90d520aa

Diff

@@ -4,6 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Damiano Testa, Eric Wieser
 -/
 import Mathlib.Algebra.CharP.Basic
+import Mathlib.Algebra.PUnitInstances
 
 #align_import char_p_zero_ne_char_zero from "leanprover-community/mathlib"@"328375597f2c0dd00522d9c2e5a33b6a6128feeb"

32837559

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) 2022 Damiano Testa. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Damiano Testa, Eric Wieser
-
-! This file was ported from Lean 3 source module char_p_zero_ne_char_zero
-! leanprover-community/mathlib commit 328375597f2c0dd00522d9c2e5a33b6a6128feeb
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Algebra.CharP.Basic
 
+#align_import char_p_zero_ne_char_zero from "leanprover-community/mathlib"@"328375597f2c0dd00522d9c2e5a33b6a6128feeb"
+
 /-! # `CharP R 0` and `CharZero R` need not coincide for semirings
 
 For rings, the two notions coincide.

32837559

feat: port NumberTheory.DiophantineApproximation (#5126)

851314e3

`char_p_zero_ne_char_zero` ⟷ `Counterexamples.CharPZeroNeCharZero`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 8 + 478

char_p_zero_ne_char_zero ⟷ Counterexamples.CharPZeroNeCharZero

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 8 + 478

`char_p_zero_ne_char_zero` ⟷ `Counterexamples.CharPZeroNeCharZero`