Theorem Submonoid.inv_val_mem_of_mem_units

Modification history

2024-02-14 10:22
Mathlib/GroupTheory/Submonoid/Units.lean
feat(GroupTheory/Submonoid/Units): Add `Submonoid.units` and related definitions and lemmas. (#9006) …
Added Submonoid.inv_val_mem_of_mem_unitsView on Github →