Theorem Subgroup.card_eq_card_quotient_mul_card_subgroup

Modification history

2024-08-16 23:11
Mathlib/GroupTheory/Coset/Basic.lean
chore: avoid importing `Cardinal` in basic group theory (#15646)
Modified Subgroup.card_eq_card_quotient_mul_card_subgroupView on Github →
2024-06-08 03:30
Mathlib/GroupTheory/Coset.lean
refactor(GroupTheory/Coset): Replace `Fintype.card` with `Nat.card` (#13431) …
Modified Subgroup.card_eq_card_quotient_mul_card_subgroupView on Github →
2023-01-31 10:56
Mathlib/GroupTheory/Coset.lean
feat: port GroupTheory.Coset (#1874) …
Added Subgroup.card_eq_card_quotient_mul_card_subgroupView on Github →