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Theorem subgroup.card_quotient_dvd_card

Modification history

2022-12-31 05:31
src/group_theory/coset.lean
chore(group_theory/coset): Additivise `quotient_group.preimage_mk_equiv_subgroup_times_set` (#18008) …
Modified subgroup.card_quotient_dvd_cardView on Github →
2021-12-03 08:57
src/group_theory/coset.lean
chore(group_theory/*): additivise! (#10557)
Modified subgroup.card_quotient_dvd_cardView on Github →
2021-04-06 05:50
src/group_theory/coset.lean
chore(group_theory/order_of_element): move some lemmas (#7031) …
Added subgroup.card_quotient_dvd_cardView on Github →