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[Merged by Bors] - chore(Algebra/Category): erw -> rw#21130

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Vierkantor wants to merge 1 commit intomasterfrom
erw-2025-01-27
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[Merged by Bors] - chore(Algebra/Category): erw -> rw#21130
Vierkantor wants to merge 1 commit intomasterfrom
erw-2025-01-27

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My script found one erw call that could become a rw. (This can remain rw on #21125 too.)


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My script found one `erw` call that could become a `rw`. (This can remain `rw` on #21125 too.)
@Vierkantor Vierkantor added easy < 20s of review time. See the lifecycle page for guidelines. tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip labels Jan 27, 2025
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PR summary f4a2f498b2

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

No declarations were harmed in the making of this PR! 🐙

You can run this locally as follows
## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for script/declarations_diff.sh contains some details about this script.


Decrease in tech debt: (relative, absolute) = (1.00, 0.00)
Current number Change Type
1414 -1 erw

Current commit f4a2f498b2
Reference commit 12422efb2d

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary
  • The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
  • The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

@github-actions github-actions bot added the t-algebra Algebra (groups, rings, fields, etc) label Jan 27, 2025
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Thanks!
maintainer merge

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🚀 Pull request has been placed on the maintainer queue by grunweg.

@github-actions github-actions bot added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Jan 27, 2025
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bors r+

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Jan 27, 2025
mathlib-bors bot pushed a commit that referenced this pull request Jan 27, 2025
My script found one `erw` call that could become a `rw`. (This can remain `rw` on #21125 too.)
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mathlib-bors bot commented Jan 27, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title chore(Algebra/Category): erw -> rw [Merged by Bors] - chore(Algebra/Category): erw -> rw Jan 27, 2025
@mathlib-bors mathlib-bors bot closed this Jan 27, 2025
@mathlib-bors mathlib-bors bot deleted the erw-2025-01-27 branch January 27, 2025 16:35
Julian added a commit that referenced this pull request Jan 28, 2025
* origin/master: (294 commits)
  feat: equalizers and coequalizers in the category of ind-objects (#21139)
  doc: turn more links to Stacks into `@[stacks]` tags (#21135)
  feat(Asymptotics): prove `IsLittleOTVS.add` (#20578)
  feat(Algebra/Polynomial): `Polynomial.aeval` for product algebras (#21062)
  chore: import Std in Mathlib.lean (#21126)
  feat(Data/Matroid/Circuit): fundamental circuits and extensionality  (#21145)
  feat(CategoryTheory/Endofunctor): prove the dual form of Lambek's Lemma on terminal coalgebra (#21140)
  feat(SetTheory/Game/PGame): rewrite left moves of `-x` as right moves of `x` under binders (#21109)
  feat(RingTheory/Localization/Pi): localization of a finite direct product is a product of localizations (#19042)
  doc: fixed notation error in customizing category composition (#21132)
  feat(Matrix): more lemmas for `PEquiv.toMatrix` (#21143)
  chore(SupIndep): speedup the `Decidable` instance (#21114)
  fix(CI): use `Elab.async=false` for late importers workflow (#21147)
  feat(Topology/Algebra/Indicator): indicator of a clopen is continuous (#20687)
  feat(Data/Matroid/Rank/Cardinal): Cardinality-valued rank function (#20921)
  feat(Algebra): `Pi.single_induction` (#21141)
  chore(BigOperators/Fin): golf a proof (#21131)
  feat: generalize tangent cone lemmas to TVS (#20859)
  feat(CategoryTheory): `Comma.snd L R` is final if `R` is final and domains are filtered (#21136)
  refactor: unapply matrix lemmas (#21091)
  chore(Algebra/Category): `erw` -> `rw` (#21130)
  feat(CategoryTheory): filteredness of Comma catgories given finality of one of the functors (#21128)
  feat(Algebra/Category): `ConcreteCategory` instance for `ModuleCat` (#21125)
  feat: PSum of finite sorts is finite (#20285)
  feat: inequality on the integral of a convex function of a RN derivative (#21093)
  feat: `(v +ᵥ s) -ᵥ (v +ᵥ t) = s -ᵥ t` (#21058)
  chore: rename the fact that `(∀ a < a₁, a ≤ a₂) ↔ a₁ ≤ a₂` in a dense order (#20317)
  feat: a `RelHom` preserves directedness (#20080)
  feat(Combinatorics/SimpleGraph): add definitions and theorems about the coloring of sum graphs (#18677)
  chore(Data/Matrix/PEquiv): clean up names (#21108)
  feat(Algebra/Category): `ConcreteCategory` instances for rings (#20815)
  feat: define Descriptive.Tree (#18763)
  chore(Data/Complex/Exponential): split trig functions to new file (#21075)
  feat(Logic/IsEmpty/Relator): empty on sides (#20319)
  feat(Algebra/Category): `ConcreteCategory` instance for `AlgebraCat` (#21121)
  feat(NumberTheory/LSeries): results involving partial sums of coefficients (part 1) (#20661)
  feat(RingTheory/LaurentSeries): add algebraEquiv (#21004)
  chore(SetTheory/Game/Impartial): golf two proofs (#21074)
  feat(CategoryTheory/Subpresheaf): preimage/image/range of subpresheaves (#21047)
  feat(RingTheory/IntegralClosure): `Algebra.IsIntegral` transfers via surjective homomorphisms (#21023)
  feat(`InformationTheory/Hamming`): Add AddGroup instances (#20994)
  feat(RingTheory/IntegralClosure): prove `Module.Finite R (adjoin R S)` for finite set `S` of integral elements (#20970)
  feat(RingTheory/Artinian): `IsUnit a` iff `a ∈ R⁰` for an artinian ring `R` (#21084)
  feat: separating set in the category of ind-objects (#21082)
  feat: derivWithin lemmas (#21092)
  chore(Fintype): golf a proof (#21113)
  chore: golf using `funext₂` (#21106)
  chore(Algebra/Group/Submonoid/Operations): move instances to new file (#21067)
  doc(Algebra/BigOperators/Fin): change 'product' to 'sum' in doc-string of additivised declarations (#21101)
  doc(ComputeDegree): typos (#21095)
  ...
Julian added a commit that referenced this pull request Feb 1, 2025
* polynomial-sequences: (308 commits)
  Use the lemma we already added.
  Minor reordering.
  This is true even for the trivial ring.
  Also add the lt versions and the other inj lemma.
  Also add the basis ne versions.
  This seems also like it should be simp.
  Back to sorry free.
  And the natDegree version.
  feat: equalizers and coequalizers in the category of ind-objects (#21139)
  doc: turn more links to Stacks into `@[stacks]` tags (#21135)
  feat(Asymptotics): prove `IsLittleOTVS.add` (#20578)
  feat(Algebra/Polynomial): `Polynomial.aeval` for product algebras (#21062)
  chore: import Std in Mathlib.lean (#21126)
  feat(Data/Matroid/Circuit): fundamental circuits and extensionality  (#21145)
  feat(CategoryTheory/Endofunctor): prove the dual form of Lambek's Lemma on terminal coalgebra (#21140)
  feat(SetTheory/Game/PGame): rewrite left moves of `-x` as right moves of `x` under binders (#21109)
  feat(RingTheory/Localization/Pi): localization of a finite direct product is a product of localizations (#19042)
  doc: fixed notation error in customizing category composition (#21132)
  feat(Matrix): more lemmas for `PEquiv.toMatrix` (#21143)
  chore(SupIndep): speedup the `Decidable` instance (#21114)
  fix(CI): use `Elab.async=false` for late importers workflow (#21147)
  feat(Topology/Algebra/Indicator): indicator of a clopen is continuous (#20687)
  feat(Data/Matroid/Rank/Cardinal): Cardinality-valued rank function (#20921)
  feat(Algebra): `Pi.single_induction` (#21141)
  chore(BigOperators/Fin): golf a proof (#21131)
  feat: generalize tangent cone lemmas to TVS (#20859)
  feat(CategoryTheory): `Comma.snd L R` is final if `R` is final and domains are filtered (#21136)
  refactor: unapply matrix lemmas (#21091)
  chore(Algebra/Category): `erw` -> `rw` (#21130)
  feat(CategoryTheory): filteredness of Comma catgories given finality of one of the functors (#21128)
  feat(Algebra/Category): `ConcreteCategory` instance for `ModuleCat` (#21125)
  feat: PSum of finite sorts is finite (#20285)
  feat: inequality on the integral of a convex function of a RN derivative (#21093)
  feat: `(v +ᵥ s) -ᵥ (v +ᵥ t) = s -ᵥ t` (#21058)
  chore: rename the fact that `(∀ a < a₁, a ≤ a₂) ↔ a₁ ≤ a₂` in a dense order (#20317)
  feat: a `RelHom` preserves directedness (#20080)
  feat(Combinatorics/SimpleGraph): add definitions and theorems about the coloring of sum graphs (#18677)
  chore(Data/Matrix/PEquiv): clean up names (#21108)
  feat(Algebra/Category): `ConcreteCategory` instances for rings (#20815)
  feat: define Descriptive.Tree (#18763)
  chore(Data/Complex/Exponential): split trig functions to new file (#21075)
  feat(Logic/IsEmpty/Relator): empty on sides (#20319)
  feat(Algebra/Category): `ConcreteCategory` instance for `AlgebraCat` (#21121)
  feat(NumberTheory/LSeries): results involving partial sums of coefficients (part 1) (#20661)
  feat(RingTheory/LaurentSeries): add algebraEquiv (#21004)
  chore(SetTheory/Game/Impartial): golf two proofs (#21074)
  feat(CategoryTheory/Subpresheaf): preimage/image/range of subpresheaves (#21047)
  feat(RingTheory/IntegralClosure): `Algebra.IsIntegral` transfers via surjective homomorphisms (#21023)
  feat(`InformationTheory/Hamming`): Add AddGroup instances (#20994)
  feat(RingTheory/IntegralClosure): prove `Module.Finite R (adjoin R S)` for finite set `S` of integral elements (#20970)
  ...
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4 participants