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Theorem equiv.perm.subtype_perm_apply

Modification history

2022-12-11 13:46
src/group_theory/perm/basic.lean
feat(group_theory/perm/basic): `subtype_perm` is a monoid hom (#17816) …
Modified equiv.perm.subtype_perm_applyView on Github →
2021-02-09 11:14
src/group_theory/perm/basic.lean
feat(group_theory/perm/sign): induced permutation on a subtype that is a fintype (#5706) …
Added equiv.perm.subtype_perm_applyView on Github →