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Theorem equiv.perm.swap_mul_involutive

Modification history

2020-12-01 13:25
src/group_theory/perm/sign.lean
chore(data/equiv/perm): Move around lemmas about perm and swap (#5153) …
Deleted equiv.perm.swap_mul_involutiveView on Github →
2020-11-28 19:38
src/group_theory/perm/sign.lean
chore(group_theory/perm/sign): Add swap_mul_involutive (#5141) …
Added equiv.perm.swap_mul_involutiveView on Github →