Theorem groupHomology.isBoundary₂_iff

Modification history

2025-07-10 15:14
Mathlib/RepresentationTheory/Homological/GroupHomology/LowDegree.lean
feat(RepresentationTheory/Homological/GroupHomology/LowDegree): add `IsCycle₁` predicate and friends (#25884) …
Added groupHomology.isBoundary₂_iffView on Github →