Theorem Subgroup.nat_card_dvd_of_le

Modification history

2024-07-15 20:56
Mathlib/GroupTheory/Index.lean
refactor(GroupTheory/Index): Replace `Fintype.card` with `Nat.card` (#13630) …
Deleted Subgroup.nat_card_dvd_of_leView on Github →
2023-02-14 07:17
Mathlib/GroupTheory/Index.lean
feat: port GroupTheory.Index (#2222)
Added Subgroup.nat_card_dvd_of_leView on Github →