∫ Утверждение Mathlib
center_eq_top
Mathlib.GroupTheory.Subsemigroup.Center
URI: https://scilib.ai/kg/mathlib#Subsemigroup.center_eq_top
∫ Утверждение Mathlib
Mathlib.GroupTheory.Subsemigroup.Center
URI: https://scilib.ai/kg/mathlib#Subsemigroup.center_eq_top