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Theorem subgroup.index_eq_one

Modification history

2022-04-07 07:05
src/group_theory/index.lean
chore(group_theory/index): Add `to_additive` (#13191) …
Modified subgroup.index_eq_oneView on Github →
2021-10-25 20:31
src/group_theory/index.lean
feat(group_theory/index): Small values of `subgroup.index` (#9893) …
Added subgroup.index_eq_oneView on Github →