Def CategoryTheory.ShortComplex.Homotopy.ofNullHomotopic

Modification history

2023-11-01 07:43
Mathlib/Algebra/Homology/ShortComplex/Preadditive.lean
feat: more API for homotopies of short complexes (#8069)
Added CategoryTheory.ShortComplex.Homotopy.ofNullHomotopicView on Github →