Theorem Equiv.Perm.card_isConj_mul_eq

Modification history

2025-02-01 07:23
Mathlib/GroupTheory/Perm/Centralizer.lean
feat(GroupTheory/Perm/Centralizer): study the centralizer of a permutation (#17522) …
Added Equiv.Perm.card_isConj_mul_eqView on Github →