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Theorem subgroup.map_le_iff_le_comap

Modification history

2020-06-01 23:39
src/group_theory/bundled_subgroup.lean
chore(group_theory/sub*): move unbundled submonoids and subgroups to `deprecated` (#2912) …
Modified subgroup.map_le_iff_le_comapView on Github →
2020-04-22 03:48
src/group_theory/bundled_subgroup.lean
feat(group_theory/bundled_subgroup): bundled subgroup (#2140) …
Added subgroup.map_le_iff_le_comapView on Github →