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Theorem subgroup.map_comap_le

Modification history

2021-06-28 04:53
src/group_theory/subgroup.lean
feat(group_theory/subgroup): lemmas for normal subgroups of subgroups (#7271)
Modified subgroup.map_comap_leView on Github →
2021-04-06 05:50
src/group_theory/subgroup.lean
chore(group_theory/subgroup): translate map comap lemmas from linear_map (#6979) …
Added subgroup.map_comap_leView on Github →