Mathlib Changelog
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2026-06-23 08:28
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feat(Algebra/Homology): more on the functoriality of categories of homological complexes (
#40895
)
Estimated changes
Modified
Mathlib/Algebra/Homology/Additive.lean
added
def
CategoryTheory.Functor.mapHomologicalComplexCompIso
Modified
Mathlib/Algebra/Homology/HomotopyCategory.lean
added
def
CategoryTheory.Functor.mapHomotopyCategoryCompIso
added
def
CategoryTheory.Functor.preimageHomotopy
added
theorem
HomologicalComplex.isIso_quotient_map_iff_homotopyEquivalences