Theorem groupCohomology.coboundaries₂_ext

Modification history

2025-07-03 00:27
Mathlib/RepresentationTheory/Homological/GroupCohomology/LowDegree.lean
refactor: denote low degree group cohomology API indices with subscripts (#26546) …
Added groupCohomology.coboundaries₂_extView on Github →