Theorem FiniteMulArchimedeanClass.subsemigroup_eq_subgroup

Modification history

2026-01-16 16:52
Mathlib/Algebra/Order/Archimedean/Class.lean
refactor(Algebra/Order): change `MulArchimedeanClass.subgroup` to `FiniteArchimedeanClass.subgroup` (#32886) …
Added FiniteMulArchimedeanClass.subsemigroup_eq_subgroupView on Github →