Theorem Subgroup.relindex_toAddSubgroup

Modification history

2025-09-13 17:16

Mathlib/GroupTheory/Index.lean

chore(GroupTheory/Index): rename `relindex` to `relIndex` (#19872) …

Deleted Subgroup.relindex_toAddSubgroup View on Github →

2024-08-18 22:27

Mathlib/GroupTheory/Index.lean

feat(GroupTheory/Index): `index_toAddSubgroup` (#15946) …

Added Subgroup.relindex_toAddSubgroup View on Github →