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Def mul_equiv.subgroup_equiv_map

Modification history

2022-01-05 14:15
src/group_theory/subgroup/basic.lean
chore(group_theory/sub{monoid,group}, linear_algebra/basic): rename equivalences to mapped subobjects (#11075) …
Deleted mul_equiv.subgroup_equiv_mapView on Github →
2021-09-02 19:07
src/group_theory/subgroup.lean
feat(group_theory/group_action/basic): class formula, Burnside's lemma (#8801) …
Added mul_equiv.subgroup_equiv_mapView on Github →