Mathlib v3 is deprecated. Go to Mathlib v4

Theorem subgroup.comap_subtype_inf_right

Modification history

2022-11-30 13:42
src/group_theory/subgroup/basic.lean
refactor(subgroup/basic): use `subgroup.subgroup_of` as the normal form (#17744) …
Deleted subgroup.comap_subtype_inf_rightView on Github →
2021-02-17 11:38
src/group_theory/subgroup.lean
feat(group_theory): prove the 2nd isomorphism theorem for groups (#6187) …
Added subgroup.comap_subtype_inf_rightView on Github →