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Theorem quotient_group.subgroup_eq_top_of_subsingleton

Modification history

2022-03-15 11:51
src/group_theory/quotient_group.lean
feat(group_theory/finiteness): quotient of fg is fg (#12652)
Deleted quotient_group.subgroup_eq_top_of_subsingletonView on Github →
2021-10-17 03:34
src/group_theory/quotient_group.lean
chore(group_theory/quotient_group): Tag lemmas with `@[to_additive]` (#9771) …
Modified quotient_group.subgroup_eq_top_of_subsingletonView on Github →
2021-10-03 11:42
src/group_theory/quotient_group.lean
feat(group_theory/quotient_group): if a quotient is trivial then the subgroup is the whole group (#9092)
Added quotient_group.subgroup_eq_top_of_subsingletonView on Github →