analysis.calculus.deriv.prod | 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

3bce8d80

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

f60c6087

bump to nightly-2024-04-06-08

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

e34029c9

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gabriel Ebner, Yury Kudryashov
 -/
 import Analysis.Calculus.Deriv.Basic
-import Analysis.Calculus.Fderiv.Prod
+import Analysis.Calculus.FDeriv.Prod
 
 #align_import analysis.calculus.deriv.prod from "leanprover-community/mathlib"@"f60c6087a7275b72d5db3c5a1d0e19e35a429c0a"

f60c6087

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) 2019 Gabriel Ebner. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gabriel Ebner, Yury Kudryashov
 -/
-import Mathbin.Analysis.Calculus.Deriv.Basic
-import Mathbin.Analysis.Calculus.Fderiv.Prod
+import Analysis.Calculus.Deriv.Basic
+import Analysis.Calculus.Fderiv.Prod
 
 #align_import analysis.calculus.deriv.prod from "leanprover-community/mathlib"@"f60c6087a7275b72d5db3c5a1d0e19e35a429c0a"

f60c6087

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) 2019 Gabriel Ebner. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gabriel Ebner, Yury Kudryashov
-
-! This file was ported from Lean 3 source module analysis.calculus.deriv.prod
-! leanprover-community/mathlib commit f60c6087a7275b72d5db3c5a1d0e19e35a429c0a
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Analysis.Calculus.Deriv.Basic
 import Mathbin.Analysis.Calculus.Fderiv.Prod
 
+#align_import analysis.calculus.deriv.prod from "leanprover-community/mathlib"@"f60c6087a7275b72d5db3c5a1d0e19e35a429c0a"
+
 /-!
 # Derivatives of functions taking values in product types

f60c6087

bump to nightly-2023-06-13-21

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

829520ac

Diff

@@ -98,37 +98,49 @@ section Pi
 variable {ι : Type _} [Fintype ι] {E' : ι → Type _} [∀ i, NormedAddCommGroup (E' i)]
   [∀ i, NormedSpace 𝕜 (E' i)] {φ : 𝕜 → ∀ i, E' i} {φ' : ∀ i, E' i}
 
+#print hasStrictDerivAt_pi /-
 @[simp]
 theorem hasStrictDerivAt_pi :
     HasStrictDerivAt φ φ' x ↔ ∀ i, HasStrictDerivAt (fun x => φ x i) (φ' i) x :=
   hasStrictFDerivAt_pi'
 #align has_strict_deriv_at_pi hasStrictDerivAt_pi
+-/
 
+#print hasDerivAtFilter_pi /-
 @[simp]
 theorem hasDerivAtFilter_pi :
     HasDerivAtFilter φ φ' x L ↔ ∀ i, HasDerivAtFilter (fun x => φ x i) (φ' i) x L :=
   hasFDerivAtFilter_pi'
 #align has_deriv_at_filter_pi hasDerivAtFilter_pi
+-/
 
+#print hasDerivAt_pi /-
 theorem hasDerivAt_pi : HasDerivAt φ φ' x ↔ ∀ i, HasDerivAt (fun x => φ x i) (φ' i) x :=
   hasDerivAtFilter_pi
 #align has_deriv_at_pi hasDerivAt_pi
+-/
 
+#print hasDerivWithinAt_pi /-
 theorem hasDerivWithinAt_pi :
     HasDerivWithinAt φ φ' s x ↔ ∀ i, HasDerivWithinAt (fun x => φ x i) (φ' i) s x :=
   hasDerivAtFilter_pi
 #align has_deriv_within_at_pi hasDerivWithinAt_pi
+-/
 
+#print derivWithin_pi /-
 theorem derivWithin_pi (h : ∀ i, DifferentiableWithinAt 𝕜 (fun x => φ x i) s x)
     (hs : UniqueDiffWithinAt 𝕜 s x) :
     derivWithin φ s x = fun i => derivWithin (fun x => φ x i) s x :=
   (hasDerivWithinAt_pi.2 fun i => (h i).HasDerivWithinAt).derivWithin hs
 #align deriv_within_pi derivWithin_pi
+-/
 
+#print deriv_pi /-
 theorem deriv_pi (h : ∀ i, DifferentiableAt 𝕜 (fun x => φ x i) x) :
     deriv φ x = fun i => deriv (fun x => φ x i) x :=
   (hasDerivAt_pi.2 fun i => (h i).HasDerivAt).deriv
 #align deriv_pi deriv_pi
+-/
 
 end Pi

f60c6087

bump to nightly-2023-06-01-04

mathlib commit https://github.com/leanprover-community/mathlib/commit/cca40788df1b8755d5baf17ab2f27dacc2e17acb

4d9eaa85

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gabriel Ebner, Yury Kudryashov
 
 ! This file was ported from Lean 3 source module analysis.calculus.deriv.prod
-! leanprover-community/mathlib commit 3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe
+! leanprover-community/mathlib commit f60c6087a7275b72d5db3c5a1d0e19e35a429c0a
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -14,6 +14,9 @@ import Mathbin.Analysis.Calculus.Fderiv.Prod
 /-!
 # Derivatives of functions taking values in product types
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 In this file we prove lemmas about derivatives of functions `f : 𝕜 → E × F` and of functions
 `f : 𝕜 → (Π i, E i)`.

3bce8d80

bump to nightly-2023-05-29-00

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

f7040f5d

Diff

@@ -57,25 +57,33 @@ variable {G : Type w} [NormedAddCommGroup G] [NormedSpace 𝕜 G]
 
 variable {f₂ : 𝕜 → G} {f₂' : G}
 
+#print HasDerivAtFilter.prod /-
 theorem HasDerivAtFilter.prod (hf₁ : HasDerivAtFilter f₁ f₁' x L)
     (hf₂ : HasDerivAtFilter f₂ f₂' x L) : HasDerivAtFilter (fun x => (f₁ x, f₂ x)) (f₁', f₂') x L :=
   hf₁.Prod hf₂
 #align has_deriv_at_filter.prod HasDerivAtFilter.prod
+-/
 
+#print HasDerivWithinAt.prod /-
 theorem HasDerivWithinAt.prod (hf₁ : HasDerivWithinAt f₁ f₁' s x)
     (hf₂ : HasDerivWithinAt f₂ f₂' s x) : HasDerivWithinAt (fun x => (f₁ x, f₂ x)) (f₁', f₂') s x :=
   hf₁.Prod hf₂
 #align has_deriv_within_at.prod HasDerivWithinAt.prod
+-/
 
+#print HasDerivAt.prod /-
 theorem HasDerivAt.prod (hf₁ : HasDerivAt f₁ f₁' x) (hf₂ : HasDerivAt f₂ f₂' x) :
     HasDerivAt (fun x => (f₁ x, f₂ x)) (f₁', f₂') x :=
   hf₁.Prod hf₂
 #align has_deriv_at.prod HasDerivAt.prod
+-/
 
+#print HasStrictDerivAt.prod /-
 theorem HasStrictDerivAt.prod (hf₁ : HasStrictDerivAt f₁ f₁' x) (hf₂ : HasStrictDerivAt f₂ f₂' x) :
     HasStrictDerivAt (fun x => (f₁ x, f₂ x)) (f₁', f₂') x :=
   hf₁.Prod hf₂
 #align has_strict_deriv_at.prod HasStrictDerivAt.prod
+-/
 
 end CartesianProduct

3bce8d80

bump to nightly-2023-05-28-18

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

8d353152

Diff

@@ -28,7 +28,7 @@ derivative
 
 universe u v w
 
-open Classical Topology BigOperators Filter
+open scoped Classical Topology BigOperators Filter
 
 open Filter Asymptotics Set

3bce8d80

bump to nightly-2023-05-28-03

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

6c6011cf

Changes in mathlib4

mathlib3

mathlib4

3bce8d80

chore(*): remove empty lines between variable statements (#11418)

Empty lines were removed by executing the following Python script twice

import os
import re


# Loop through each file in the repository
for dir_path, dirs, files in os.walk('.'):
  for filename in files:
    if filename.endswith('.lean'):
      file_path = os.path.join(dir_path, filename)

      # Open the file and read its contents
      with open(file_path, 'r') as file:
        content = file.read()

      # Use a regular expression to replace sequences of "variable" lines separated by empty lines
      # with sequences without empty lines
      modified_content = re.sub(r'(variable.*\n)\n(variable(?! .* in))', r'\1\2', content)

      # Write the modified content back to the file
      with open(file_path, 'w') as file:
        file.write(modified_content)

75c86f04

Diff

@@ -30,19 +30,12 @@ open Topology BigOperators Filter
 open Filter Asymptotics Set
 
 variable {𝕜 : Type u} [NontriviallyNormedField 𝕜]
-
 variable {F : Type v} [NormedAddCommGroup F] [NormedSpace 𝕜 F]
-
 variable {E : Type w} [NormedAddCommGroup E] [NormedSpace 𝕜 E]
-
 variable {f f₀ f₁ g : 𝕜 → F}
-
 variable {f' f₀' f₁' g' : F}
-
 variable {x : 𝕜}
-
 variable {s t : Set 𝕜}
-
 variable {L L₁ L₂ : Filter 𝕜}
 
 section CartesianProduct
@@ -51,7 +44,6 @@ section CartesianProduct
 
 
 variable {G : Type w} [NormedAddCommGroup G] [NormedSpace 𝕜 G]
-
 variable {f₂ : 𝕜 → G} {f₂' : G}
 
 nonrec theorem HasDerivAtFilter.prod (hf₁ : HasDerivAtFilter f₁ f₁' x L)

3bce8d80

chore: scope open Classical (#11199)

We remove all but one open Classicals, instead preferring to use open scoped Classical. The only real side-effect this led to is moving a couple declarations to use Exists.choose instead of Classical.choose.

The first few commits are explicitly labelled regex replaces for ease of review.

c747be0a

Diff

@@ -24,7 +24,8 @@ derivative
 
 universe u v w
 
-open Classical Topology BigOperators Filter
+open scoped Classical
+open Topology BigOperators Filter
 
 open Filter Asymptotics Set
 
@@ -115,4 +116,3 @@ theorem deriv_pi (h : ∀ i, DifferentiableAt 𝕜 (fun x => φ x i) x) :
 #align deriv_pi deriv_pi
 
 end Pi
-

3bce8d80

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

@@ -79,7 +79,7 @@ section Pi
 
 /-! ### Derivatives of functions `f : 𝕜 → Π i, E i` -/
 
-variable {ι : Type _} [Fintype ι] {E' : ι → Type _} [∀ i, NormedAddCommGroup (E' i)]
+variable {ι : Type*} [Fintype ι] {E' : ι → Type*} [∀ i, NormedAddCommGroup (E' i)]
   [∀ i, NormedSpace 𝕜 (E' i)] {φ : 𝕜 → ∀ i, E' i} {φ' : ∀ i, E' i}
 
 @[simp]

3bce8d80

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) 2019 Gabriel Ebner. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gabriel Ebner, Yury Kudryashov
-
-! This file was ported from Lean 3 source module analysis.calculus.deriv.prod
-! leanprover-community/mathlib commit 3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Analysis.Calculus.Deriv.Basic
 import Mathlib.Analysis.Calculus.FDeriv.Prod
 
+#align_import analysis.calculus.deriv.prod from "leanprover-community/mathlib"@"3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe"
+
 /-!
 # Derivatives of functions taking values in product types

3bce8d80

feat: port Analysis.Calculus.Deriv.Prod (#4437)

1481cae1

`analysis.calculus.deriv.prod` ⟷ `Mathlib.Analysis.Calculus.Deriv.Prod`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 10 + 677

analysis.calculus.deriv.prod ⟷ Mathlib.Analysis.Calculus.Deriv.Prod

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 10 + 677

`analysis.calculus.deriv.prod` ⟷ `Mathlib.Analysis.Calculus.Deriv.Prod`