∫ Утверждение Mathlib
normedCommGroup
Mathlib.Analysis.Normed.Group.Subgroup
URI: https://scilib.ai/kg/mathlib#Subgroup.normedCommGroup
∫ Утверждение Mathlib
Mathlib.Analysis.Normed.Group.Subgroup
URI: https://scilib.ai/kg/mathlib#Subgroup.normedCommGroup