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[Merged by Bors] - chore(LinearAlgebra/PiTensorProduct): rw away use of erw in lifts_zero#27554

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[Merged by Bors] - chore(LinearAlgebra/PiTensorProduct): rw away use of erw in lifts_zero#27554
euprunin wants to merge 2 commits intoleanprover-community:masterfrom
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@euprunin euprunin commented Jul 27, 2025

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@github-actions github-actions bot added the t-algebra Algebra (groups, rings, fields, etc) label Jul 27, 2025
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github-actions bot commented Jul 27, 2025

PR summary 48ae0f1e49

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
815 -1 erw

Current commit d9144ac6ff
Reference commit 48ae0f1e49

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./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).

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maintainer merge

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🚀 Pull request has been placed on the maintainer queue by Ruben-VandeVelde.

@ghost ghost added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Aug 15, 2025
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Please update the PR description also.

@mattrobball mattrobball added awaiting-author A reviewer has asked the author a question or requested changes. and removed maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. labels Aug 15, 2025
Co-authored-by: Matthew Robert Ballard <100034030+mattrobball@users.noreply.github.com>
@euprunin euprunin changed the title chore(LinearAlgebra/PiTensorProduct): grind away use of erw in lifts_zero chore(LinearAlgebra/PiTensorProduct): rw away use of erw in lifts_zero Aug 15, 2025
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Thanks!

bors merge

@ghost ghost added ready-to-merge This PR has been sent to bors. and removed awaiting-author A reviewer has asked the author a question or requested changes. labels Aug 15, 2025
mathlib-bors bot pushed a commit that referenced this pull request Aug 15, 2025
…s_zero` (#27554)

Co-authored-by: euprunin <178733547+euprunin@users.noreply.github.com>
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mathlib-bors bot commented Aug 15, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title chore(LinearAlgebra/PiTensorProduct): rw away use of erw in lifts_zero [Merged by Bors] - chore(LinearAlgebra/PiTensorProduct): rw away use of erw in lifts_zero Aug 15, 2025
@mathlib-bors mathlib-bors bot closed this Aug 15, 2025
Julian added a commit to Aaron1011/mathlib4 that referenced this pull request Aug 16, 2025
* origin/master: (508 commits)
  feat(Logic/Basic): forall_and_index (leanprover-community#27737)
  feat(Algebra/intNorm): `x` divides `intNorm x` (leanprover-community#28021)
  feat(RingTheory/MvPolynomial/MonomialOrder): some lemmas about degree (leanprover-community#26000)
  chore: more elementary Motzkin polynomial proof (leanprover-community#28482)
  feat: e-seminormed monoid (leanprover-community#27385)
  feat(RingTheory): ` (⊥ : Ideal R) ^ n = ⊥` (leanprover-community#28171)
  fix(LinearAlgebra/Dimension/ErdosKaplansky): authorship (leanprover-community#28513)
  chore: golf entire `X_pow_eq_monomial` (leanprover-community#28504)
  feat(RingTheory): invertible modules and Picard group (leanprover-community#25337)
  chore: use delta `deriving` for leanprover-community#380 (leanprover-community#28498)
  feat: add bilinear maps for vector/matrix products (leanprover-community#28130)
  feat(Counterexamples): topologists' sine curve (leanprover-community#25833)
  feat(Analysis/Convex): doubly stochastic matrices have operator norm at most one (leanprover-community#28453)
  chore(Topology/Compactification): deprecate duplicate `ultrafilter_pure_injective` (leanprover-community#28436)
  feat: add `@[simp]` to `Multiset.cons_le_cons` and `Finset.insert_subset_insert` (leanprover-community#28285)
  feat: make `ring` work for semifields (leanprover-community#28494)
  feat: filtering lists and bounded quantifiers are primitive recursive (leanprover-community#26295)
  chore(Analysis/Analytic): split `Analytic.Basic` (leanprover-community#26270)
  refactor: tidy `mulVec` and `vecMul` lemmas about `•` (leanprover-community#28450)
  feat(Order/WellFounded): Acc and infinite descending chain (leanprover-community#28120)
  feat(NumberTheory/Padics): {Int,Rat}.padicValuation (leanprover-community#27667)
  chore(*): address a few timeout-related porting notes (leanprover-community#28483)
  feat(Algebra): toAlgebra_algebraMap (leanprover-community#28238)
  feat(Shrink): `IsCancelMul` instance (leanprover-community#28407)
  chore(Geometry): golf entire `chart_eq'` and `orthogonalProjection_orthogonalProjection` (leanprover-community#28485)
  feat: shifted geometric series and a `ProbabilityMeasure` version of `measure_iUnion_le` (leanprover-community#28087)
  chore(LinearAlgebra/PiTensorProduct): `rw` away use of `erw` in `lifts_zero` (leanprover-community#27554)
  feat(RingTheory): faithfully flat ring maps (leanprover-community#24530)
  chore(Geometry/RingedSpace): remove use of `erw` in `stalkSpecializes_stalkMap` (leanprover-community#27656)
  chore: add the Brownian motion project to downstream_repos.yml (leanprover-community#28459)
  feat(CategoryTheory/Sites/SheafOfTypes): composition of a sheaf with uliftFunctor is still a sheaf (leanprover-community#27816)
  feat(Valuation/DiscreteValuationRel): val relations with compatible valuations to Zm0 are IsDiscrete (leanprover-community#27213)
  chore(*): process a bunch of `aesop`-related porting notes (leanprover-community#28402)
  feat(CategoryTheory): abstract argument for the stability under transfinite compositions (leanprover-community#26030)
  chore: bump toolchain to v4.23.0-rc2 (leanprover-community#28454)
  chore(FieldTheory/Finite): fermat's little theorem in Nat form (leanprover-community#27962)
  feat(Combinatorics/SimpleGraph/Paths): add theorem `SimpleGraph.Walk.IsPath.concat` (leanprover-community#27582)
  feat(Slope): slope_pos_iff_of_le and related lemmas (leanprover-community#28039)
  feat: tactic analysis framework (leanprover-community#26683)
  chore(Data/EReal): deprecate `add_pos_of_nonneg_of_pos` and `add_ne_top_iff_of_ne_bot` (duplicates) (leanprover-community#28424)
  feat(MathlibTest/FieldSimp): add a few more tests (leanprover-community#28413)
  chore(RingTheory/HahnSeries): deprecate duplicate `orderTop_add_orderTop_le_orderTop_mul` (leanprover-community#28231)
  chore(AlgebraicGeometry/IdealSheaf): deprecate duplicate `AlgebraicGeometry.Scheme.IdealSheafData.Scheme.zeroLocus_radical` (leanprover-community#28202)
  feat(Algebra/Order): ArchimedeanClass ball (leanprover-community#27885)
  chore(Geometry/RingedSpace): remove use of `erw` in `isUnit_of_isUnit_germ` (leanprover-community#27660)
  feat(SkewMonoidAlgebra): coeff_mul lemmas (leanprover-community#27255)
  chore(LinearAlgebra): golf entire `isUnit_det` (leanprover-community#28438)
  chore(FieldTheory/IntermediateField): golf entire `coe_sum` and `coe_prod` (leanprover-community#28431)
  feat: separate linter error message for empty doc-strings (leanprover-community#27895)
  feat(RingTheory/PowerSeries/Binomial): add basic lemmas, golf (leanprover-community#27497)
  ...
Paul-Lez pushed a commit to Paul-Lez/mathlib4 that referenced this pull request Aug 23, 2025
…s_zero` (leanprover-community#27554)

Co-authored-by: euprunin <178733547+euprunin@users.noreply.github.com>
pechersky pushed a commit to pechersky/mathlib4 that referenced this pull request Aug 25, 2025
…s_zero` (leanprover-community#27554)

Co-authored-by: euprunin <178733547+euprunin@users.noreply.github.com>
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3 participants