Theorem Equiv.Perm.length_toList_pos_of_mem_support

Modification history

2023-05-22 00:38
Mathlib/GroupTheory/Perm/Cycle/Concrete.lean
feat: port GroupTheory.Perm.Cycle.Concrete (#3472)
Added Equiv.Perm.length_toList_pos_of_mem_supportView on Github →