Mathlib v3 is deprecated. Go to Mathlib v4

Theorem equiv.perm.inv_eq_iff_eq

Modification history

2020-12-01 13:25
src/group_theory/perm/basic.lean
chore(data/equiv/perm): Move around lemmas about perm and swap (#5153) …
Modified equiv.perm.inv_eq_iff_eqView on Github →
2018-09-19 11:24
group_theory/perm.lean
feat(group_theory/perm): sign_cycle and sign_bij (#347)
Added equiv.perm.inv_eq_iff_eqView on Github →