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Commits on Oct 3, 2025

• doc(CategoryTheory/Limits): update docstrings of `HasPullbacks` etc (#30145)

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Commits on Oct 1, 2025

• feat(CategoryTheory/Closed): variant of `cartesianClosedOfReflective` with better definitional equalities (#30017)

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Commits on Sep 28, 2025

• feat(CategoryTheory/Sites): some lemmas on separated presheaves (#30044)

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Commits on Sep 26, 2025

• chore(CategoryTheory/Sites): remove `FamilyOfElements.compPresheafMap` in favour of `.map` (#29977)

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Commits on Sep 9, 2025

• feat(Topology): some `IsOpenMap` lemmas (#27527)

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Commits on Aug 31, 2025

• feat(CategoryTheory/Adjunction): lemmas on adjoint quadruples (#27720)

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• chore(CategoryTheory/Sites): rename `Presieve.isSeparated_of_isSheaf` -> `Presieve.IsSheaf.isSeparated` (#29088)

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Commits on Jul 31, 2025

• feat(CategoryTheory/Adjunction): more results on adjoint triples. (#27650)

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Commits on Apr 23, 2025

• chore: fix typo `intIsManifoldModelSpace` (#24297)

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Commits on Apr 10, 2025

• feat(CategoryTheory/Sites): global sections functor on sheaves (#22816)

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Commits on Feb 28, 2025

• chore(CategoryTheory/Sites): rename `Sieve.pullback_eq_top_iff_mem` to `Sieve.mem_iff_pullback_eq_top` (#22385)

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Commits on Feb 20, 2025

• chore(Topology): rename `CWComplex.mapsto` to `CWComplex.mapsTo` (#22106)

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Commits on Feb 17, 2025

• feat(Topology): add `ContinuousOn.union_isClosed` (#21607)

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Commits on Feb 9, 2025

• chore(Topology/Connected): split `PathConnected.lean` (#21591)

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Commits on Jan 11, 2025

• feat(Topology/Category): category of delta-generated spaces (#19499)

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Commits on Dec 9, 2024

• feat(Geometry/Manifold): manifolds are locally path-connected (#17142)

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Commits on Nov 26, 2024

• feat(Topology/Compactness): delta-generated spaces (#19431)

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Commits on Nov 19, 2024

• feat(Topology/Connected/PathConnected): some instances for locally path-connected spaces (#17064)

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Commits on Oct 18, 2024

• feat(Topology/Connected/PathConnected): some lemmas for `pathComponentIn` (#16983)

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Commits on Aug 23, 2024

• feat: `IsHomeomorph` predicate (#12533)

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