∫ Утверждение Mathlib
instHasZeroMorphisms
Mathlib.Analysis.Normed.Group.SemiNormedGrp
URI: https://scilib.ai/kg/mathlib#SemiNormedGrp₁.instHasZeroMorphisms
∫ Утверждение Mathlib
Mathlib.Analysis.Normed.Group.SemiNormedGrp
URI: https://scilib.ai/kg/mathlib#SemiNormedGrp₁.instHasZeroMorphisms