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Theorem equiv.perm.perm_inv_maps_to_of_maps_to

Modification history

2022-08-17 14:53
src/group_theory/perm/sign.lean
chore(group_theory/*): Fix lint (#16095) …
Modified equiv.perm.perm_inv_maps_to_of_maps_toView on Github →
2021-02-09 11:14
src/group_theory/perm/sign.lean
feat(group_theory/perm/sign): induced permutation on a subtype that is a fintype (#5706) …
Added equiv.perm.perm_inv_maps_to_of_maps_toView on Github →