Mathlib Changelog
v4
Changelog
About
Github
Theorem
CochainComplex.IsKProjective.quasiIso_iff
Modification history
2026-05-06 01:11
Mathlib/Algebra/Homology/DerivedCategory/KProjective.lean
feat(Algebra/Homology): quasi-isomorphisms between chain complexes of projective objects are homotopy equivalences (#38958) …
Added
CochainComplex.IsKProjective.quasiIso_iff
View on Github →