Def commutator3

Modification history

2022-03-04 17:34
test/group.lean
refactor(group_theory/commutator): Define commutators of subgroups in terms of commutators of elements (#12309) …
Deleted commutator3View on Github →
2020-06-15 16:49
test/group.lean
feat(tactic/group): group normalization tactic (#3062) …
Added commutator3View on Github →