data.set_like.fintype | 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

1126441d

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

4c19a16e

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) 2021 . All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Chris Hughes
 -/
-import Mathbin.Data.SetLike.Basic
-import Mathbin.Data.Fintype.Powerset
+import Data.SetLike.Basic
+import Data.Fintype.Powerset
 
 #align_import data.set_like.fintype from "leanprover-community/mathlib"@"4c19a16e4b705bf135cf9a80ac18fcc99c438514"

4c19a16e

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) 2021 . All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Chris Hughes
-
-! This file was ported from Lean 3 source module data.set_like.fintype
-! leanprover-community/mathlib commit 4c19a16e4b705bf135cf9a80ac18fcc99c438514
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Data.SetLike.Basic
 import Mathbin.Data.Fintype.Powerset
 
+#align_import data.set_like.fintype from "leanprover-community/mathlib"@"4c19a16e4b705bf135cf9a80ac18fcc99c438514"
+
 /-!
 # Set-like fintype

4c19a16e

bump to nightly-2023-04-24-06

mathlib commit https://github.com/leanprover-community/mathlib/commit/09079525fd01b3dda35e96adaa08d2f943e1648c

ff662d55

Diff

@@ -26,7 +26,7 @@ namespace SetLike
 
 /-- TODO: It should be possible to obtain a computable version of this for most
 set_like objects. If we add those instances, we should remove this one. -/
-@[nolint dangerous_instance, instance]
+@[nolint dangerous_instance, instance 100]
 noncomputable instance (priority := 100) {A B : Type _} [Fintype B] [SetLike A B] : Fintype A :=
   Fintype.ofInjective coe SetLike.coe_injective

4c19a16e

bump to nightly-2023-02-21-16

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

1107b979

Changes in mathlib4

mathlib3

mathlib4

1126441d

chore: banish Type _ and Sort _ (#6499)

We remove all possible occurences of Type _ and Sort _ in favor of Type* and Sort*.

This has nice performance benefits.

32de3f67

Diff

@@ -20,11 +20,11 @@ namespace SetLike
 
 /-- TODO: It should be possible to obtain a computable version of this for most
 SetLike objects. If we add those instances, we should remove this one. -/
-noncomputable instance (priority := 100) {A B : Type _} [SetLike A B] [Fintype B] : Fintype A :=
+noncomputable instance (priority := 100) {A B : Type*} [SetLike A B] [Fintype B] : Fintype A :=
   Fintype.ofInjective SetLike.coe SetLike.coe_injective
 
 -- See note [lower instance priority]
-instance (priority := 100) {A B : Type _} [SetLike A B] [Finite B] : Finite A :=
+instance (priority := 100) {A B : Type*} [SetLike A B] [Finite B] : Finite A :=
   Finite.of_injective SetLike.coe SetLike.coe_injective
 
 end SetLike

1126441d

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) 2021 . All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Chris Hughes
-
-! This file was ported from Lean 3 source module data.set_like.fintype
-! leanprover-community/mathlib commit 1126441d6bccf98c81214a0780c73d499f6721fe
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Data.SetLike.Basic
 import Mathlib.Data.Fintype.Powerset
 
+#align_import data.set_like.fintype from "leanprover-community/mathlib"@"1126441d6bccf98c81214a0780c73d499f6721fe"
+
 /-!
 # Set-like fintype

1126441d

chore: tidy various files (#2056)

a347ef63

Diff

@@ -22,7 +22,7 @@ and `Fintype B` then `Fintype A`.
 namespace SetLike
 
 /-- TODO: It should be possible to obtain a computable version of this for most
-set_like objects. If we add those instances, we should remove this one. -/
+SetLike objects. If we add those instances, we should remove this one. -/
 noncomputable instance (priority := 100) {A B : Type _} [SetLike A B] [Fintype B] : Fintype A :=
   Fintype.ofInjective SetLike.coe SetLike.coe_injective

1126441d

feat: port Data.SetLike.Fintype (#1727)

Co-authored-by: Lukas Miaskiwskyi <lukas.mias@gmail.com> Co-authored-by: Vierkantor <vierkantor@vierkantor.com> Co-authored-by: Johan Commelin <johan@commelin.net>

1ac724e9

`data.set_like.fintype` ⟷ `Mathlib.Data.SetLike.Fintype`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 2 + 184

data.set_like.fintype ⟷ Mathlib.Data.SetLike.Fintype

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 2 + 184

`data.set_like.fintype` ⟷ `Mathlib.Data.SetLike.Fintype`