Theorem AddSubgroup.inertia_map_subtype

Modification history

2026-06-23 12:44
Mathlib/Algebra/Group/Subgroup/Basic.lean
feat(RingTheory/Ideal/Defs): add `Ideal.coe_mem_inertia` (#40383) …
Modified AddSubgroup.inertia_map_subtypeView on Github →
2025-11-24 11:02
Mathlib/Algebra/Group/Subgroup/Basic.lean
feat(Algebra/Group/Subgroup/Basic): API lemma relating `inertia` and `subgroupOf` (#31572) …
Added AddSubgroup.inertia_map_subtypeView on Github →