Def groupCohomology.cochainsIso₃

Modification history

2026-09-04 11:59
Mathlib/RepresentationTheory/Homological/GroupCohomology/LowDegree.lean
chore(CategoryTheory): use the new `↧` notation in concrete categories (#41811) …
Modified groupCohomology.cochainsIso₃View on Github →
2025-07-03 00:27
Mathlib/RepresentationTheory/Homological/GroupCohomology/LowDegree.lean
refactor: denote low degree group cohomology API indices with subscripts (#26546) …
Added groupCohomology.cochainsIso₃View on Github →