Theorem CochainComplex.HomComplex.Cochain.ofHom_neg

Modification history

2023-08-22 00:30
Mathlib/Algebra/Homology/HomotopyCategory/HomComplex.lean
feat: cochains of morphisms between cochain complexes (#6701) …
Added CochainComplex.HomComplex.Cochain.ofHom_negView on Github →