∫ Утверждение Mathlib
closure_univ
Mathlib.Algebra.Group.Subsemigroup.Basic
URI: https://scilib.ai/kg/mathlib#Subsemigroup.closure_univ
∫ Утверждение Mathlib
Mathlib.Algebra.Group.Subsemigroup.Basic
URI: https://scilib.ai/kg/mathlib#Subsemigroup.closure_univ