2025-05-29 14:16
Mathlib/RepresentationTheory/GroupCohomology/Functoriality.lean
refactor(RepresentationTheory/GroupCohomology/*): replace `nCochainsLequiv` with isomorphisms in `ModuleCat` for `n = 0, 1, 2` (#24693) …
Added groupCohomology.cochainsMap_f_1_comp_oneCochainsIso