Mathlib v3 is deprecated. Go to Mathlib v4

Theorem subgroup.comap_sup_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)

Added subgroup.comap_sup_comap_le View on Github →