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Def mul_equiv.subgroup_map

Modification history

2023-01-13 10:23
src/group_theory/subgroup/basic.lean
feat(group_theory/subgroup/basic): Map a subgroup under an iso (#17775) …
Modified mul_equiv.subgroup_mapView on Github →
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) …
Added mul_equiv.subgroup_mapView on Github →