∫ Утверждение Mathlib
norm_nonneg
Mathlib.Topology.Algebra.Valued.NormedValued
URI: https://scilib.ai/kg/mathlib#Valued.norm_nonneg
∫ Утверждение Mathlib
Mathlib.Topology.Algebra.Valued.NormedValued
URI: https://scilib.ai/kg/mathlib#Valued.norm_nonneg