[Merged by Bors] - feat: add sumPiEquivProdPi and piUnique by kbuzzard · Pull Request #20195 · leanprover-community/mathlib4

kbuzzard · 2024-12-23T09:36:49Z

From FLT. Add topological and algebraic versions of Equiv.sumPiEquivProdPi and Equiv.piUnique.

github-actions · 2024-12-23T09:37:41Z

PR summary 1d7b7d4d6c

Import changes for modified files

Dependency changes

File	Base Count	Head Count	Change
Mathlib.Algebra.Module.Equiv.Basic	461	463	+2 (+0.43%)

Import changes for all files

Files	Import difference
`Mathlib.Algebra.Lie.NonUnitalNonAssocAlgebra` `Mathlib.Algebra.Algebra.NonUnitalHom`	1
202 files `Mathlib.CategoryTheory.Galois.IsFundamentalgroup` `Mathlib.CategoryTheory.Preadditive.Yoneda.Projective` `Mathlib.Algebra.Polynomial.Degree.Support` `Mathlib.AlgebraicTopology.DoldKan.EquivalencePseudoabelian` `Mathlib.LinearAlgebra.Countable` `Mathlib.Data.Nat.Choose.Cast` `Mathlib.AlgebraicTopology.DoldKan.SplitSimplicialObject` `Mathlib.CategoryTheory.Abelian.RightDerived` `Mathlib.CategoryTheory.Abelian.DiagramLemmas.Four` `Mathlib.Algebra.Polynomial.Degree.Definitions` `Mathlib.Algebra.Polynomial.Degree.Operations` `Mathlib.Algebra.Homology.Opposite` `Mathlib.Topology.Algebra.UniformField` `Mathlib.CategoryTheory.Adjunction.Additive` `Mathlib.LinearAlgebra.SModEq` `Mathlib.Algebra.Homology.DerivedCategory.HomologySequence` `Mathlib.Algebra.Homology.ShortComplex.SnakeLemma` `Mathlib.LinearAlgebra.Finsupp.Supported` `Mathlib.Algebra.Polynomial.Degree.Monomial` `Mathlib.Algebra.Homology.Embedding.HomEquiv` `Mathlib.RingTheory.Polynomial.Pochhammer` `Mathlib.Algebra.Homology.Embedding.IsSupported` `Mathlib.CategoryTheory.Limits.ConcreteCategory.WithAlgebraicStructures` `Mathlib.CategoryTheory.Abelian.Transfer` `Mathlib.Algebra.Polynomial.Eval.Irreducible` `Mathlib.CategoryTheory.Galois.GaloisObjects` `Mathlib.Algebra.Module.Equiv.Basic` `Mathlib.CategoryTheory.Preadditive.Yoneda.Basic` `Mathlib.CategoryTheory.Abelian.EpiWithInjectiveKernel` `Mathlib.Algebra.Polynomial.HasseDeriv` `Mathlib.Algebra.Homology.HomotopyCategory.Pretriangulated` `Mathlib.AlgebraicTopology.DoldKan.Homotopies` `Mathlib.CategoryTheory.Action.Limits` `Mathlib.RingTheory.Polynomial.Opposites` `Mathlib.CategoryTheory.Abelian.Opposite` `Mathlib.MeasureTheory.Constructions.AddChar` `Mathlib.Algebra.Homology.DerivedCategory.Ext.Basic` `Mathlib.Algebra.Homology.ShortComplex.HomologicalComplex` `Mathlib.Algebra.Homology.HomotopyCategory.HomComplexShift` `Mathlib.Topology.Algebra.Nonarchimedean.Completion` `Mathlib.Algebra.Homology.HomotopyCategory.MappingCone` `Mathlib.NumberTheory.ClassNumber.AdmissibleAbs` `Mathlib.Data.Finsupp.Weight` `Mathlib.RingTheory.Polynomial.Hermite.Basic` `Mathlib.Algebra.Homology.TotalComplexShift` `Mathlib.CategoryTheory.Abelian.ProjectiveResolution` `Mathlib.Algebra.MonoidAlgebra.Support` `Mathlib.Algebra.MonoidAlgebra.NoZeroDivisors` `Mathlib.LinearAlgebra.GeneralLinearGroup` `Mathlib.Algebra.Polynomial.Inductions` `Mathlib.CategoryTheory.Localization.CalculusOfFractions.Preadditive` `Mathlib.Algebra.Polynomial.DenomsClearable` `Mathlib.Algebra.Algebra.Basic` `Mathlib.Algebra.Polynomial.Eval.Algebra` `Mathlib.CategoryTheory.Sites.Abelian` `Mathlib.CategoryTheory.Triangulated.Opposite.Functor` `Mathlib.Algebra.Category.MonCat.Limits` `Mathlib.Algebra.Lie.Basic` `Mathlib.AlgebraicTopology.DoldKan.GammaCompN` `Mathlib.CategoryTheory.Abelian.GrothendieckAxioms.Sheaf` `Mathlib.CategoryTheory.Triangulated.Opposite.Pretriangulated` `Mathlib.Algebra.Group.AddChar` `Mathlib.Algebra.Algebra.Hom.Rat` `Mathlib.LinearAlgebra.Finsupp.LSum` `Mathlib.CategoryTheory.Triangulated.HomologicalFunctor` `Mathlib.Algebra.Homology.HomotopyCategory.HomologicalFunctor` `Mathlib.CategoryTheory.Shift.ShiftedHomOpposite` `Mathlib.CategoryTheory.Triangulated.Opposite.Triangle` `Mathlib.Algebra.Algebra.Opposite` `Mathlib.CategoryTheory.Action.Monoidal` `Mathlib.Algebra.Homology.HomotopyCategory.Triangulated` `Mathlib.Algebra.Small.Module` `Mathlib.LinearAlgebra.Finsupp.LinearCombination` `Mathlib.Algebra.Polynomial.Mirror` `Mathlib.Algebra.Equiv.TransferInstance` `Mathlib.Algebra.Homology.HomotopyCategory.SingleFunctors` `Mathlib.CategoryTheory.Abelian.Refinements` `Mathlib.Algebra.MonoidAlgebra.Degree` `Mathlib.Algebra.Polynomial.Degree.SmallDegree` `Mathlib.Algebra.Algebra.Pi` `Mathlib.Algebra.Category.Grp.FilteredColimits` `Mathlib.Algebra.Polynomial.Monic` `Mathlib.Algebra.Polynomial.Degree.Domain` `Mathlib.Data.Nat.Choose.Vandermonde` `Mathlib.CategoryTheory.Generator.Abelian` `Mathlib.Algebra.Polynomial.Coeff` `Mathlib.CategoryTheory.Monoidal.Tor` `Mathlib.Algebra.Homology.Embedding.Extend` `Mathlib.Algebra.Category.Ring.FilteredColimits` `Mathlib.CategoryTheory.Galois.Decomposition` `Mathlib.Algebra.Homology.HomotopyCategory.HomComplex` `Mathlib.Tactic.ComputeDegree` `Mathlib.Geometry.RingedSpace.Basic` `Mathlib.Algebra.Small.Ring` `Mathlib.CategoryTheory.Galois.Basic` `Mathlib.Algebra.Homology.DerivedCategory.SingleTriangle` `Mathlib.AlgebraicTopology.DoldKan.EquivalenceAdditive` `Mathlib.Algebra.Homology.DerivedCategory.ShortExact` `Mathlib.Algebra.Homology.HomotopyCategory.Shift` `Mathlib.Algebra.Homology.ShortComplex.Linear` `Mathlib.CategoryTheory.Shift.Opposite` `Mathlib.AlgebraicTopology.DoldKan.HomotopyEquivalence` `Mathlib.Computability.TMComputable` `Mathlib.Algebra.Category.ModuleCat.FilteredColimits` `Mathlib.CategoryTheory.Generator.Preadditive` `Mathlib.CategoryTheory.Abelian.GrothendieckAxioms.FunctorCategory` `Mathlib.Algebra.Category.ModuleCat.Colimits` `Mathlib.CategoryTheory.Galois.Topology` `Mathlib.Algebra.Polynomial.Derivative` `Mathlib.Algebra.Small.Group` `Mathlib.Topology.Algebra.UniformRing` `Mathlib.Algebra.Category.Grp.Ulift` `Mathlib.AlgebraicTopology.DoldKan.Notations` `Mathlib.Algebra.Homology.Refinements` `Mathlib.Algebra.Polynomial.Eval.Degree` `Mathlib.AlgebraicTopology.DoldKan.Normalized` `Mathlib.CategoryTheory.Galois.Full` `Mathlib.Algebra.Category.ModuleCat.Basic` `Mathlib.Algebra.Polynomial.Eval.SMul` `Mathlib.CategoryTheory.Localization.Triangulated` `Mathlib.CategoryTheory.Galois.Prorepresentability` `Mathlib.AlgebraicTopology.DoldKan.Faces` `Mathlib.Algebra.Homology.Localization` `Mathlib.Algebra.Homology.ShortComplex.Preadditive` `Mathlib.Algebra.Homology.BifunctorHomotopy` `Mathlib.Algebra.Homology.ShortComplex.Exact` `Mathlib.AlgebraicTopology.DoldKan.Equivalence` `Mathlib.Algebra.DirectSum.AddChar` `Mathlib.AlgebraicTopology.DoldKan.Decomposition` `Mathlib.Algebra.Category.Grp.ZModuleEquivalence` `Mathlib.Algebra.Homology.SingleHomology` `Mathlib.AlgebraicTopology.DoldKan.PInfty` `Mathlib.Algebra.Polynomial.BigOperators` `Mathlib.Algebra.Category.Ring.Limits` `Mathlib.AlgebraicTopology.DoldKan.FunctorGamma` `Mathlib.CategoryTheory.Abelian.GrothendieckAxioms.Basic` `Mathlib.Algebra.Homology.HomologySequenceLemmas` `Mathlib.Algebra.Polynomial.Reverse` `Mathlib.CategoryTheory.Preadditive.ProjectiveResolution` `Mathlib.Algebra.Polynomial.Eval.Defs` `Mathlib.Algebra.Homology.HomologicalComplexAbelian` `Mathlib.Algebra.Category.MonCat.FilteredColimits` `Mathlib.CategoryTheory.Abelian.Exact` `Mathlib.Algebra.Homology.QuasiIso` `Mathlib.AlgebraicTopology.DoldKan.NCompGamma` `Mathlib.Algebra.Homology.HomotopyCategory.ShiftSequence` `Mathlib.CategoryTheory.Triangulated.Opposite.Basic` `Mathlib.CategoryTheory.Preadditive.Opposite` `Mathlib.Algebra.Category.Grp.Limits` `Mathlib.AlgebraicTopology.ExtraDegeneracy` `Mathlib.CategoryTheory.Galois.Examples` `Mathlib.Data.Finsupp.MonomialOrder.DegLex` `Mathlib.Algebra.MonoidAlgebra.Division` `Mathlib.Algebra.Polynomial.Eval.Coeff` `Mathlib.Algebra.Homology.HomotopyCategory.ShortExact` `Mathlib.CategoryTheory.Triangulated.Subcategory` `Mathlib.Algebra.Polynomial.Degree.Lemmas` `Mathlib.CategoryTheory.Abelian.InjectiveResolution` `Mathlib.Algebra.Polynomial.Monomial` `Mathlib.CategoryTheory.Abelian.GrothendieckCategory` `Mathlib.Data.Nat.Factorial.Cast` `Mathlib.Algebra.Category.Grp.Biproducts` `Mathlib.CategoryTheory.Preadditive.InjectiveResolution` `Mathlib.Algebra.Homology.ExactSequence` `Mathlib.CategoryTheory.Galois.Action` `Mathlib.AlgebraicTopology.AlternatingFaceMapComplex` `Mathlib.CategoryTheory.Abelian.LeftDerived` `Mathlib.Algebra.Homology.Homotopy` `Mathlib.Algebra.Polynomial.UnitTrinomial` `Mathlib.Algebra.Algebra.Equiv` `Mathlib.Algebra.Polynomial.Basic` `Mathlib.Algebra.MonoidAlgebra.Defs` `Mathlib.Algebra.Homology.HomotopyCofiber` `Mathlib.Algebra.Polynomial.CancelLeads` `Mathlib.Algebra.Algebra.Hom` `Mathlib.CategoryTheory.Galois.EssSurj` `Mathlib.CategoryTheory.Linear.Yoneda` `Mathlib.Algebra.Homology.HomologySequence` `Mathlib.Algebra.Polynomial.EraseLead` `Mathlib.Algebra.Polynomial.Degree.Units` `Mathlib.Algebra.Homology.ShortComplex.ShortExact` `Mathlib.LinearAlgebra.FiniteSpan` `Mathlib.Algebra.Polynomial.Eval.Subring` `Mathlib.Algebra.Homology.HomotopyCategory` `Mathlib.Algebra.Homology.HomotopyCategory.DegreewiseSplit` `Mathlib.Topology.Algebra.InfiniteSum.Nonarchimedean` `Mathlib.Algebra.Polynomial.Degree.TrailingDegree` `Mathlib.AlgebraicTopology.DoldKan.FunctorN` `Mathlib.Algebra.Homology.BifunctorShift` `Mathlib.Algebra.Polynomial.Cardinal` `Mathlib.Algebra.Homology.ShortComplex.ExactFunctor` `Mathlib.Algebra.Homology.Embedding.StupidTrunc` `Mathlib.Algebra.Homology.DerivedCategory.Basic` `Mathlib.Algebra.Homology.Factorizations.Basic` `Mathlib.Algebra.Homology.DerivedCategory.ExactFunctor` `Mathlib.Algebra.Homology.Embedding.ExtendHomology` `Mathlib.AlgebraicTopology.DoldKan.NReflectsIso` `Mathlib.Algebra.Polynomial.Div` `Mathlib.Algebra.Homology.DerivedCategory.Ext.ExtClass` `Mathlib.AlgebraicTopology.DoldKan.Degeneracies` `Mathlib.AlgebraicTopology.DoldKan.Projections` `Mathlib.Algebra.Homology.Embedding.TruncGE`	2

Declarations diff

+ Equiv.continuous_symm_iff
+ Equiv.isOpenMap_symm_iff
+ piCongrLeft
+++ piUnique
+++ sumPiEquivProdPi

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.

No changes to technical debt.

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).

ADedecker

Thanks!

bors d+

Mathlib/Logic/Equiv/Basic.lean

Mathlib/Topology/Algebra/Module/Equiv.lean

mathlib-bors · 2024-12-23T16:46:00Z

✌️ kbuzzard can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

Mathlib/Topology/Algebra/Module/Equiv.lean

Mathlib/Logic/Equiv/Basic.lean

Mathlib/Topology/Algebra/Module/Equiv.lean

eric-wieser

Probably these should have @[simps], especially if the existing weaker ones in mathlib do.

Mathlib/Topology/Algebra/Module/Equiv.lean

kbuzzard · 2024-12-25T00:27:35Z

I don't really want to merge this at the moment because of this unexpected twist where a continuity proof that was by fun_prop now involves a random new declaration Equiv.continuous_symm_of_isOpenMap which we may even have in some other form already.

In other words: this PR has had a new declaration added since it was delegated so I'm reluctant to go ahead with the merge until someone else signs it off.

Mathlib/Topology/Basic.lean

Mathlib/Topology/Homeomorph.lean

Co-authored-by: Eric Wieser <wieser.eric@gmail.com>

Mathlib/Logic/Equiv/Defs.lean

Mathlib/Topology/Algebra/Module/Equiv.lean

Mathlib/Topology/Basic.lean

Mathlib/Topology/Homeomorph.lean

eric-wieser

bors d+

Thanks!

mathlib-bors · 2025-01-03T15:44:58Z

✌️ kbuzzard can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

Co-authored-by: Eric Wieser <wieser.eric@gmail.com>

kbuzzard · 2025-01-03T17:09:09Z

bors r+

From FLT. Add topological and algebraic versions of `Equiv.sumPiEquivProdPi` and `Equiv.piUnique`.

mathlib-bors · 2025-01-03T17:41:28Z

Pull request successfully merged into master.

Build succeeded:

* origin/master: (133 commits) chore(1000): remove nonexistent fields (#20493) chore(CategoryTheory/Adjunction.Basic, CategoryTheory/Equivalence): change definition of `Adjunction.comp` and `Equivalence.trans` (#20490) feat(Asymptotics): add `Asymptotics.*.*Prod` lemmas (#20458) feat: a conditional kernel is almost everywhere a probability measure (#20430) feat: if `f` is a measurable group hom, then every point has a neighborhood `s` such that `f '' s` is bounded (#20304) feat: `Ico`, `Ioc`, and `Ioo` are not closed or compact (#20479) chore: drop redundant hypothesis in `Module.Dual.eq_of_preReflection_mapsTo` (#20492) feat(FaaDiBruno): derive `DecidableEq` (#20482) chore(SetTheory/Ordinal/Basic): `{x // x < y}` → `Iio y` (#20413) chore: generalize `FormalMultilinearSeries.ofScalars_norm` to `Seminormed` (#20351) chore(MvPolynomial/Localization): golf using TensorProduct (#20309) chore(Combinatorics/Enumerative/Partition): auto-derive DecidableEq (#20277) chore(CategoryTheory): make relevant parameters explicit in `Arrow.homMk`. (#20259) feat: add `IsStarNormal (↑x⁻¹ : R)` instance for `x : Rˣ` (#20091) fix: Stop cancelling builds of master (#20435) chore: update Mathlib dependencies 2025-01-05 (#20485) feat(SetTheory/Cardinal/Arithmetic): miscellaneous cardinality lemmas (#18933) chore: bump toolchain to v4.16.0-rc1, and merge bump/v4.16.0 (#20464) chore: bot validates lean-toolchain on bump/v4.X.0 branches (#20478) feat: shorthand lemmas for the L1 norm (#20383) chore: remove unnecessary adaptation notes (#20467) chore(Algebra/Category/MonCat/Colimits): remove smallness condition (#20473) chore(SetTheory/Ordinal/Arithmetic): `IsLeftCancelAdd Ordinal` (#19888) feat(Algebra): more on `OrthogonalIdempotents` (#18195) feat(Radical): `(radical a).natDegree ≤ a.natDegree` (#20468) feat(Polynomial): `(a^n)' = 0` iff `a' = 0` when `n` doesn't divide the characteristic (#20190) feat(Algebra/Lie): add Lie's theorem (#13480) chore(RingTheory/Generators): make algebra instance a def (#14265) feat(Topology/Group): Lemmas about profinite group (#20282) feat: the empty set is a topological basis iff the space is empty (#20441) chore: make uniqueness of conditionally complete linearly ordered archimedean fields independent of the construction of `Real` (#20242) chore: `inherit_doc`s for notations (#20376) chore: split AEEqOfIntegral into two files, one for each integral type (#20405) chore: split Kernel/MeasurableIntegral (#20427) feat(MeasureTheory/Group/Measure): add ContinuousMulEquiv.isHaarMeasure_map (#20469) fix(Mathlib.Tactic.CC.Datatypes): `cc` raises panic (#20422) feat(Probability/Moments): add lemmas about moment generating functions (#19886) feat(Algebra/Order/AddGroupWithTop): lemmas about LinearOrderedAddCommGroupWithTop (#18954) chore: bump toolchain to v4.15.0 (#20461) chore: update Mathlib dependencies 2025-01-04 (#20463) fix: make `Prod` projection delaborators respond to options, add option to disable (#20455) chore(Algebra): Improve attribute generation (#20451) feat(Polynomial): `(C a * p).degree = p.degree` if `a * p.leadingCoeff ≠ 0` (#20446) feat: add `ENNReal.finStronglyMeasurable_of_measurable` (#20404) doc(Algebra/Lie/Weights/Basic): fix typo (#20450) chore(1000): remove `identifiers` (#20445) feat: add sumPiEquivProdPi and piUnique (#20195) feat: add fst_compProd_apply (#20429) chore: use unsigned measures for Lebesgue decomposition (#20400) feat: Two lemmas on divisibility and coprimality of `expand` (#20143) ...

kbuzzard added 2 commits December 23, 2024 09:33

feat: add sumPiEquivProdPi and pUnitPiEquiv

52a799c

docstring

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kbuzzard added the t-algebra Algebra (groups, rings, fields, etc) label Dec 23, 2024

ADedecker approved these changes Dec 23, 2024

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kbuzzard added 3 commits December 23, 2024 17:43

respond to reviewer comments

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More Pis

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pUnitPiEquiv -> piUnique

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simps

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Co-authored-by: Eric Wieser <wieser.eric@gmail.com>

Golf Homeomorph.piUnique

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remove Util import which I used for understanding simps

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kbuzzard changed the title ~~feat: add sumPiEquivProdPi and pUnitPiEquiv~~ feat: add sumPiEquivProdPi and piUnique Jan 3, 2025

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golf homeomorphOfContinuousOpen

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Co-authored-by: Eric Wieser <wieser.eric@gmail.com>

ghost added the ready-to-merge This PR has been sent to bors. label Jan 3, 2025

mathlib-bors bot pushed a commit that referenced this pull request Jan 3, 2025

feat: add sumPiEquivProdPi and piUnique (#20195)

fbe1f6b

From FLT. Add topological and algebraic versions of `Equiv.sumPiEquivProdPi` and `Equiv.piUnique`.

mathlib-bors bot changed the title ~~feat: add sumPiEquivProdPi and piUnique~~ [Merged by Bors] - feat: add sumPiEquivProdPi and piUnique Jan 3, 2025

mathlib-bors bot closed this Jan 3, 2025

mathlib-bors bot deleted the kbuzzard-pUnitPiEquiv branch January 3, 2025 17:41

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PR summary 1d7b7d4d6c

Import changes for modified files

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