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Theorem equiv.perm.of_subtype_apply_of_mem

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.of_subtype_apply_of_memView on Github →
2021-07-03 10:46
src/group_theory/perm/basic.lean
feat(group_theory/perm/basic): of_subtype_apply_of_mem (#8174)
Added equiv.perm.of_subtype_apply_of_memView on Github →