Theorem Equiv.Perm.subtypeEquivSubtypePerm_apply_of_not_mem

Modification history

2022-12-19 15:36
Mathlib/GroupTheory/Perm/Basic.lean
feat: port group_theory.perm.basic (#1105)
Added Equiv.Perm.subtypeEquivSubtypePerm_apply_of_not_memView on Github →