Theorem MulArchimedeanClass.subsemigroup_strictAnti

Modification history

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