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Theorem equiv.perm.mul_swap_eq_swap_mul

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.mul_swap_eq_swap_mulView on Github →
2018-09-19 11:24
group_theory/perm.lean
feat(group_theory/perm): sign_cycle and sign_bij (#347)
Added equiv.perm.mul_swap_eq_swap_mulView on Github →