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