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Theorem equiv.perm.ne_and_ne_of_swap_mul_apply_ne_self

Modification history

2021-05-07 09:30
src/group_theory/perm/sign.lean
refactor(group_theory/perm/*): disjoint and support in own file (#7450) …
Modified equiv.perm.ne_and_ne_of_swap_mul_apply_ne_selfView on Github →
2019-03-16 09:30
src/group_theory/perm/sign.lean
feat(group_theory/perm/cycles): cycle_factors (#815)
Added equiv.perm.ne_and_ne_of_swap_mul_apply_ne_selfView on Github →