Theorem CochainComplex.HomComplex.Cochain.map_neg

Modification history

2025-04-05 12:10
Mathlib/Algebra/Homology/HomotopyCategory/HomComplex.lean
refactor: protect "map_add" lemmas (#23451) …
Deleted CochainComplex.HomComplex.Cochain.map_negView on Github →
2023-10-20 14:35
Mathlib/Algebra/Homology/HomotopyCategory/HomComplex.lean
feat: a homotopy of maps of cochain complexes identifies to (-1)-cochains in the complex of homomorphisms (#7656) …
Added CochainComplex.HomComplex.Cochain.map_negView on Github →