data.int.associated | 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

207cfac9

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

c3291da4

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) 2022 Anne Baanen. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Anne Baanen
 -/
-import Mathbin.Algebra.Associated
-import Mathbin.Data.Int.Units
+import Algebra.Associated
+import Data.Int.Units
 
 #align_import data.int.associated from "leanprover-community/mathlib"@"c3291da49cfa65f0d43b094750541c0731edc932"

c3291da4

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) 2022 Anne Baanen. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Anne Baanen
-
-! This file was ported from Lean 3 source module data.int.associated
-! leanprover-community/mathlib commit c3291da49cfa65f0d43b094750541c0731edc932
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Algebra.Associated
 import Mathbin.Data.Int.Units
 
+#align_import data.int.associated from "leanprover-community/mathlib"@"c3291da49cfa65f0d43b094750541c0731edc932"
+
 /-!
 # Associated elements and the integers

c3291da4

bump to nightly-2023-06-13-21

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

829520ac

Diff

@@ -25,6 +25,7 @@ This file contains some results on equality up to units in the integers.
 -/
 
 
+#print Int.natAbs_eq_iff_associated /-
 theorem Int.natAbs_eq_iff_associated {a b : ℤ} : a.natAbs = b.natAbs ↔ Associated a b :=
   by
   refine' int.nat_abs_eq_nat_abs_iff.trans _
@@ -37,4 +38,5 @@ theorem Int.natAbs_eq_iff_associated {a b : ℤ} : a.natAbs = b.natAbs ↔ Assoc
     · exact Or.inl (by simp)
     · exact Or.inr (by simp)
 #align int.nat_abs_eq_iff_associated Int.natAbs_eq_iff_associated
+-/

c3291da4

bump to nightly-2023-05-28-06

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

ba5d8b97

Diff

@@ -25,12 +25,6 @@ This file contains some results on equality up to units in the integers.
 -/
 
 
-/- warning: int.nat_abs_eq_iff_associated -> Int.natAbs_eq_iff_associated is a dubious translation:
-lean 3 declaration is
-  forall {a : Int} {b : Int}, Iff (Eq.{1} Nat (Int.natAbs a) (Int.natAbs b)) (Associated.{0} Int Int.monoid a b)
-but is expected to have type
-  forall {a : Int} {b : Int}, Iff (Eq.{1} Nat (Int.natAbs a) (Int.natAbs b)) (Associated.{0} Int Int.instMonoidInt a b)
-Case conversion may be inaccurate. Consider using '#align int.nat_abs_eq_iff_associated Int.natAbs_eq_iff_associatedₓ'. -/
 theorem Int.natAbs_eq_iff_associated {a b : ℤ} : a.natAbs = b.natAbs ↔ Associated a b :=
   by
   refine' int.nat_abs_eq_nat_abs_iff.trans _

c3291da4

bump to nightly-2023-02-21-16

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

1107b979

Changes in mathlib4

mathlib3

mathlib4

207cfac9

refactor: Delete Algebra.GroupPower.Lemmas (#9411)

Algebra.GroupPower.Lemmas used to be a big bag of lemmas that made it there on the criterion that they needed "more imports". This was completely untrue, as all lemmas could be moved to earlier files in PRs:

There are several reasons for this:

Necessary lemmas have been moved to earlier files since lemmas were dumped in Algebra.GroupPower.Lemmas
In the Lean 3 → Lean 4 transition, Std acquired basic Int and Nat lemmas which let us shortcircuit the part of the algebraic order hierarchy on which the corresponding general lemmas rest
Some proofs were overpowered
Some earlier files were tangled and I have untangled them

This PR finishes the job by moving the last few lemmas out of Algebra.GroupPower.Lemmas, which is therefore deleted.

6eb43dc3

Diff

@@ -5,7 +5,6 @@ Authors: Anne Baanen
 -/
 import Mathlib.Algebra.Associated
 import Mathlib.Data.Int.Units
-import Mathlib.Data.Int.Basic
 
 #align_import data.int.associated from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432"
 /-!

207cfac9

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) 2022 Anne Baanen. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Anne Baanen
-
-! This file was ported from Lean 3 source module data.int.associated
-! leanprover-community/mathlib commit 207cfac9fcd06138865b5d04f7091e46d9320432
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Algebra.Associated
 import Mathlib.Data.Int.Units
 import Mathlib.Data.Int.Basic
+
+#align_import data.int.associated from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432"
 /-!
 # Associated elements and the integers

207cfac9

feat: port Data.Int.Associated (#1195)

Mathlib port : 207cfac9

e888387a

`data.int.associated` ⟷ `Mathlib.Data.Int.Associated`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 3 + 130

data.int.associated ⟷ Mathlib.Data.Int.Associated

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 3 + 130

`data.int.associated` ⟷ `Mathlib.Data.Int.Associated`