Theorem MulAction.card_eq_sum_card_group_div_card_stabilizer

Modification history

2023-02-11 20:54
Mathlib/GroupTheory/GroupAction/Quotient.lean
feat: port GroupTheory.GroupAction.Quotient (#2213)
Added MulAction.card_eq_sum_card_group_div_card_stabilizerView on Github →