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Theorem
equiv.perm.eq_inv_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.eq_inv_iff_eq
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2018-09-19 11:24
group_theory/perm.lean
feat(group_theory/perm): sign_cycle and sign_bij (#347)
Added
equiv.perm.eq_inv_iff_eq
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