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Theorem subgroup.one_lt_card_iff_ne_bot

Modification history

2023-01-20 23:55
src/group_theory/subgroup/basic.lean
chore(group_theory/subgroup/basic): split out finiteness (#18242) …
Modified subgroup.one_lt_card_iff_ne_botView on Github →
2021-10-24 22:52
src/group_theory/subgroup/basic.lean
feat(group_theory/subgroup/basic): Contrapositive of `card_le_one_iff_eq_bot` (#9918) …
Added subgroup.one_lt_card_iff_ne_botView on Github →