data.complex.cardinality | 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

1c4e1843

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

86d1873c

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 Violeta Hernández Palacios. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Violeta Hernández Palacios
 -/
-import Mathbin.Data.Complex.Basic
-import Mathbin.Data.Real.Cardinality
+import Data.Complex.Basic
+import Data.Real.Cardinality
 
 #align_import data.complex.cardinality from "leanprover-community/mathlib"@"86d1873c01a723aba6788f0b9051ae3d23b4c1c3"

86d1873c

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 Violeta Hernández Palacios. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Violeta Hernández Palacios
-
-! This file was ported from Lean 3 source module data.complex.cardinality
-! leanprover-community/mathlib commit 86d1873c01a723aba6788f0b9051ae3d23b4c1c3
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Data.Complex.Basic
 import Mathbin.Data.Real.Cardinality
 
+#align_import data.complex.cardinality from "leanprover-community/mathlib"@"86d1873c01a723aba6788f0b9051ae3d23b4c1c3"
+
 /-!
 # The cardinality of the complex numbers

86d1873c

bump to nightly-2023-05-28-18

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

8d353152

Diff

@@ -23,7 +23,7 @@ This file shows that the complex numbers have cardinality continuum, i.e. `#ℂ
 
 open Cardinal Set
 
-open Cardinal
+open scoped Cardinal
 
 #print mk_complex /-
 /-- The cardinality of the complex numbers, as a type. -/

86d1873c

bump to nightly-2023-05-28-04

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

6797a637

Diff

@@ -42,10 +42,8 @@ theorem mk_univ_complex : (#(Set.univ : Set ℂ)) = 𝔠 := by rw [mk_univ, mk_c
 
 #print not_countable_complex /-
 /-- The complex numbers are not countable. -/
-theorem not_countable_complex : ¬(Set.univ : Set ℂ).Countable :=
-  by
-  rw [← le_aleph_0_iff_set_countable, not_le, mk_univ_complex]
-  apply cantor
+theorem not_countable_complex : ¬(Set.univ : Set ℂ).Countable := by
+  rw [← le_aleph_0_iff_set_countable, not_le, mk_univ_complex]; apply cantor
 #align not_countable_complex not_countable_complex
 -/

86d1873c

bump to nightly-2023-04-22-03

mathlib commit https://github.com/leanprover-community/mathlib/commit/52932b3a083d4142e78a15dc928084a22fea9ba0

21a90077

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Violeta Hernández Palacios
 
 ! This file was ported from Lean 3 source module data.complex.cardinality
-! leanprover-community/mathlib commit 1c4e18434eeb5546b212e830b2b39de6a83c473c
+! leanprover-community/mathlib commit 86d1873c01a723aba6788f0b9051ae3d23b4c1c3
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -14,6 +14,9 @@ import Mathbin.Data.Real.Cardinality
 /-!
 # The cardinality of the complex numbers
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 This file shows that the complex numbers have cardinality continuum, i.e. `#ℂ = 𝔠`.
 -/

1c4e1843

bump to nightly-2023-04-20-00

mathlib commit https://github.com/leanprover-community/mathlib/commit/cd8fafa2fac98e1a67097e8a91ad9901cfde48af

d6678ca6

Diff

@@ -22,21 +22,27 @@ open Cardinal Set
 
 open Cardinal
 
+#print mk_complex /-
 /-- The cardinality of the complex numbers, as a type. -/
 @[simp]
 theorem mk_complex : (#ℂ) = 𝔠 := by
   rw [mk_congr Complex.equivRealProd, mk_prod, lift_id, mk_real, continuum_mul_self]
 #align mk_complex mk_complex
+-/
 
+#print mk_univ_complex /-
 /-- The cardinality of the complex numbers, as a set. -/
 @[simp]
 theorem mk_univ_complex : (#(Set.univ : Set ℂ)) = 𝔠 := by rw [mk_univ, mk_complex]
 #align mk_univ_complex mk_univ_complex
+-/
 
+#print not_countable_complex /-
 /-- The complex numbers are not countable. -/
 theorem not_countable_complex : ¬(Set.univ : Set ℂ).Countable :=
   by
   rw [← le_aleph_0_iff_set_countable, not_le, mk_univ_complex]
   apply cantor
 #align not_countable_complex not_countable_complex
+-/

1c4e1843

bump to nightly-2023-02-21-16

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

1107b979

Changes in mathlib4

mathlib3

mathlib4

1c4e1843

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

@@ -13,7 +13,7 @@ import Mathlib.Data.Real.Cardinality
 
 This file shows that the complex numbers have cardinality continuum, i.e. `#ℂ = 𝔠`.
 -/
--- porting note: the lemmas `mk_complex` and `mk_univ_complex` should be in the namespace `Cardinal`
+-- Porting note: the lemmas `mk_complex` and `mk_univ_complex` should be in the namespace `Cardinal`
 -- like their real counterparts.
 
 open Cardinal Set

1c4e1843

chore: classify simp can do this porting notes (#10619)

Classify by adding issue number (#10618) to porting notes claiming anything semantically equivalent to simp can prove this or simp can simplify this.

de765f60

Diff

@@ -27,7 +27,7 @@ theorem mk_complex : #ℂ = 𝔠 := by
 #align mk_complex mk_complex
 
 /-- The cardinality of the complex numbers, as a set. -/
--- @[simp] -- Porting note: simp can prove this
+-- @[simp] -- Porting note (#10618): simp can prove this
 theorem mk_univ_complex : #(Set.univ : Set ℂ) = 𝔠 := by rw [mk_univ, mk_complex]
 #align mk_univ_complex mk_univ_complex

1c4e1843

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 Violeta Hernández Palacios. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Violeta Hernández Palacios
-
-! This file was ported from Lean 3 source module data.complex.cardinality
-! leanprover-community/mathlib commit 1c4e18434eeb5546b212e830b2b39de6a83c473c
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Data.Complex.Basic
 import Mathlib.Data.Real.Cardinality
 
+#align_import data.complex.cardinality from "leanprover-community/mathlib"@"1c4e18434eeb5546b212e830b2b39de6a83c473c"
+
 /-!
 # The cardinality of the complex numbers

1c4e1843

fix: precedence of # (#5623)

d450fcd7

Diff

@@ -25,13 +25,13 @@ open Cardinal
 
 /-- The cardinality of the complex numbers, as a type. -/
 @[simp]
-theorem mk_complex : (#ℂ) = 𝔠 := by
+theorem mk_complex : #ℂ = 𝔠 := by
   rw [mk_congr Complex.equivRealProd, mk_prod, lift_id, mk_real, continuum_mul_self]
 #align mk_complex mk_complex
 
 /-- The cardinality of the complex numbers, as a set. -/
 -- @[simp] -- Porting note: simp can prove this
-theorem mk_univ_complex : (#(Set.univ : Set ℂ)) = 𝔠 := by rw [mk_univ, mk_complex]
+theorem mk_univ_complex : #(Set.univ : Set ℂ) = 𝔠 := by rw [mk_univ, mk_complex]
 #align mk_univ_complex mk_univ_complex
 
 /-- The complex numbers are not countable. -/

1c4e1843

feat: port Data.Complex.Cardinality (#3506)

0ccd6108

`data.complex.cardinality` ⟷ `Mathlib.Data.Complex.Cardinality`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 10 + 614

data.complex.cardinality ⟷ Mathlib.Data.Complex.Cardinality

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 10 + 614

`data.complex.cardinality` ⟷ `Mathlib.Data.Complex.Cardinality`