∫ Утверждение Mathlib
subsemigroup_eq_subgroup_of_ne_top
Mathlib.Algebra.Order.Archimedean.Class
URI: https://scilib.ai/kg/mathlib#MulArchimedeanClass.subsemigroup_eq_subgroup_of_ne_top
∫ Утверждение Mathlib
Mathlib.Algebra.Order.Archimedean.Class
URI: https://scilib.ai/kg/mathlib#MulArchimedeanClass.subsemigroup_eq_subgroup_of_ne_top