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[Merged by Bors] - feat(Combinatorics/SimpleGraph/Path): add IsPath.getVert_injOn#19373

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PO_getVert_inj
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[Merged by Bors] - feat(Combinatorics/SimpleGraph/Path): add IsPath.getVert_injOn#19373
pimotte wants to merge 4 commits intomasterfrom
PO_getVert_inj

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@pimotte pimotte commented Nov 22, 2024

Add lemma on injectivity of getVert for the indices that are in range.
In preparation for Tutte's theorem.


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Zulip thread on Tutte's

@pimotte pimotte added the t-combinatorics Combinatorics label Nov 22, 2024
@pimotte pimotte requested a review from YaelDillies November 22, 2024 15:36
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github-actions bot commented Nov 22, 2024

PR summary edd5c58238

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ IsPath.getVert_injOn

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).

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Thanks!

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

@github-actions github-actions bot added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Nov 23, 2024
@kim-em kim-em 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 Nov 29, 2024
pimotte and others added 3 commits November 29, 2024 09:04
@pimotte pimotte removed the awaiting-author A reviewer has asked the author a question or requested changes. label Nov 29, 2024
@pimotte pimotte added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Dec 15, 2024
@pimotte pimotte requested a review from kim-em December 15, 2024 18:50
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kim-em commented Jan 8, 2025

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Jan 8, 2025
mathlib-bors bot pushed a commit that referenced this pull request Jan 8, 2025
)

Add lemma on injectivity of getVert for the indices that are in range.
In preparation for Tutte's theorem. 



Co-authored-by: Pim Otte <otte.pim@gmail.com>
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mathlib-bors bot commented Jan 8, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(Combinatorics/SimpleGraph/Path): add IsPath.getVert_injOn [Merged by Bors] - feat(Combinatorics/SimpleGraph/Path): add IsPath.getVert_injOn Jan 8, 2025
@mathlib-bors mathlib-bors bot closed this Jan 8, 2025
@mathlib-bors mathlib-bors bot deleted the PO_getVert_inj branch January 8, 2025 04:49
Julian added a commit that referenced this pull request Jan 8, 2025
* origin/master: (642 commits)
  feat: the Boolean subalgebra generated by the lattice generated by a set (#20440)
  feat: misc. lemmas about moments, tilted measures (#20150)
  chore(Algebra/Lie): make IsNilpotent and IsSolvable independent of scalars (#20556)
  feat(Combinatorics/SimpleGraph/Path): add `IsPath.getVert_injOn` (#19373)
  feat(Combinatorics/SimpleGraph): add lemmas about `spanningCoe` (#19377)
  chore: scope 'on' notation to Function (#20562)
  chore: disable docPrime linter (#20559)
  chore: deprecate MulRingNorm._ in favour of AbsoluteValue._ (#20557)
  fix(scripts/bench_summary): input jobID as a Nat, rather than a String (#20539)
  chore: move results about `DivisionMonoid` + `HasDistribNeg` (#20551)
  feat(NumberTheory/NumberField/Embeddings): definition of totally real field (#20542)
  chore(Noetherian/Artinian): generalize to Semiring (#20534)
  chore: protect `Filter.nhds_{iInf,inf}` (#20530)
  chore(AlgebraicTopology): move SplitSimplicialObject.lean (#20511)
  chore: extract 3 new files out of MeasureSpace (#20509)
  feat(RingTheory): Jacobian criterion for smoothness of local algebras (#20326)
  doc(RingTheory/Flat): add reference to Lambek's paper (#20266)
  feat(NumberTheory/AbelSummation): add more results (#19942)
  chore(Multilinear/Basic): generalize the `SMul` instance (#20536)
  feat(FDeriv/Equiv): generalize `HasFDerivAt.of_local_left_inverse` (#20516)
  feat(ContDiff): add `iteratedFDeriv_comp` (#20472)
  feat(LowerUpperTopology): add lemmas (#20465)
  feat(ContDiff): weaken some assumptions (#20368)
  fix(scripts/technical-debt-metric): avoid division by 0 (#20537)
  chore(Algebra/Ring): Clean up in SumsOfSquares and Semireal/Defs (#20528)
  feat(FTaylorSeries): add lemmas about `dist` between 0th and 1st derivs (#20089)
  feat: results on inner regularity of finite measures (#19780)
  chore: to_additive various results on groups, group actions (#20547)
  feat(Probability/Kernel): `Kernel.sectL` and `sectR` (#15466)
  chore(CategoryTheory/Limits/Fubini): relax universes constraints and weaken hypotheses (#20553)
  perf: remove `@[simp]` on `Fintype.card_of{IsEmpty,Subsingleton}` (#20524)
  fix(HashCommandLinter): remove unnecessary, broken workaround for tests (#20529)
  chore(Ideal/Basic): dependent generalization of `Ideal.pi` (#20535)
  feat(RingTheory): being unramified is a local property (#20323)
  chore(BooleanSubalgebra): use `IsSublattice` in `closure_sdiff_sup_induction` (#20439)
  feat(Order/SuccPred/CompleteLinearOrder): `⨆ a < x, succ a = x` (#19970)
  chore(*): replace `no_index (ofNat n)` with `ofNat(n)` everywhere (#20521)
  feat(CategoryTheory/Triangulated/Adjunction): the right adjoint of a triangulated functor is triangulated (#20255)
  chore(Order/SuccPred/LinearLocallyFinite): change data-creating instances to defs (#20235)
  chore: don't import algebra in `Data.Finset.Basic` (#19779)
  feat: initial segment commutes with `Iio` (#20503)
  chore(Measure/Pi): move parts to `MeasurableSpace/` (#20215)
  chore: smile more often (#20436)
  chore(Algebra/Category/MonCat/ForgetCorepresentable, Algebra/Group/Equiv/Basic): move definitions and add symmetric version (#20416)
  feat(GroupTheory/QuotientGroup): group correspondence theorem (#20007)
  doc: change "module homomorphism" to "linear map" (#20481)
  perf: improves the performance of the `Repr (Equiv.Perm α)` instance (1/4) (#20519)
  fix: do not keep only the first line of hints (#19756)
  feat(Analysis/Analytic): lemmas about `smul` for power series (#19816)
  chore: don't import algebra in `Data.Multiset.Basic` (#19775)
  ...
Julian added a commit that referenced this pull request Jan 8, 2025
* origin/master: (80 commits)
  chore(CategoryTheory): remove data produced by tactic block (#20565)
  feat: `|∫ a, f a ∂μ| ≤ ∫ a, |f a| ∂μ` (#20540)
  feat: the Boolean subalgebra generated by the lattice generated by a set (#20440)
  feat: misc. lemmas about moments, tilted measures (#20150)
  chore(Algebra/Lie): make IsNilpotent and IsSolvable independent of scalars (#20556)
  feat(Combinatorics/SimpleGraph/Path): add `IsPath.getVert_injOn` (#19373)
  feat(Combinatorics/SimpleGraph): add lemmas about `spanningCoe` (#19377)
  chore: scope 'on' notation to Function (#20562)
  chore: disable docPrime linter (#20559)
  chore: deprecate MulRingNorm._ in favour of AbsoluteValue._ (#20557)
  fix(scripts/bench_summary): input jobID as a Nat, rather than a String (#20539)
  chore: move results about `DivisionMonoid` + `HasDistribNeg` (#20551)
  feat(NumberTheory/NumberField/Embeddings): definition of totally real field (#20542)
  chore(Noetherian/Artinian): generalize to Semiring (#20534)
  chore: protect `Filter.nhds_{iInf,inf}` (#20530)
  chore(AlgebraicTopology): move SplitSimplicialObject.lean (#20511)
  chore: extract 3 new files out of MeasureSpace (#20509)
  feat(RingTheory): Jacobian criterion for smoothness of local algebras (#20326)
  doc(RingTheory/Flat): add reference to Lambek's paper (#20266)
  feat(NumberTheory/AbelSummation): add more results (#19942)
  chore(Multilinear/Basic): generalize the `SMul` instance (#20536)
  feat(FDeriv/Equiv): generalize `HasFDerivAt.of_local_left_inverse` (#20516)
  feat(ContDiff): add `iteratedFDeriv_comp` (#20472)
  feat(LowerUpperTopology): add lemmas (#20465)
  feat(ContDiff): weaken some assumptions (#20368)
  fix(scripts/technical-debt-metric): avoid division by 0 (#20537)
  chore(Algebra/Ring): Clean up in SumsOfSquares and Semireal/Defs (#20528)
  feat(FTaylorSeries): add lemmas about `dist` between 0th and 1st derivs (#20089)
  feat: results on inner regularity of finite measures (#19780)
  chore: to_additive various results on groups, group actions (#20547)
  feat(Probability/Kernel): `Kernel.sectL` and `sectR` (#15466)
  chore(CategoryTheory/Limits/Fubini): relax universes constraints and weaken hypotheses (#20553)
  perf: remove `@[simp]` on `Fintype.card_of{IsEmpty,Subsingleton}` (#20524)
  fix(HashCommandLinter): remove unnecessary, broken workaround for tests (#20529)
  chore(Ideal/Basic): dependent generalization of `Ideal.pi` (#20535)
  feat(RingTheory): being unramified is a local property (#20323)
  chore(BooleanSubalgebra): use `IsSublattice` in `closure_sdiff_sup_induction` (#20439)
  feat(Order/SuccPred/CompleteLinearOrder): `⨆ a < x, succ a = x` (#19970)
  chore(*): replace `no_index (ofNat n)` with `ofNat(n)` everywhere (#20521)
  feat(CategoryTheory/Triangulated/Adjunction): the right adjoint of a triangulated functor is triangulated (#20255)
  chore(Order/SuccPred/LinearLocallyFinite): change data-creating instances to defs (#20235)
  chore: don't import algebra in `Data.Finset.Basic` (#19779)
  feat: initial segment commutes with `Iio` (#20503)
  chore(Measure/Pi): move parts to `MeasurableSpace/` (#20215)
  chore: smile more often (#20436)
  chore(Algebra/Category/MonCat/ForgetCorepresentable, Algebra/Group/Equiv/Basic): move definitions and add symmetric version (#20416)
  feat(GroupTheory/QuotientGroup): group correspondence theorem (#20007)
  doc: change "module homomorphism" to "linear map" (#20481)
  perf: improves the performance of the `Repr (Equiv.Perm α)` instance (1/4) (#20519)
  fix: do not keep only the first line of hints (#19756)
  ...
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