∫ Утверждение Mathlib
instNonUnitalSeminormedCommRing
Mathlib.Analysis.Normed.Ring.Basic
URI: https://scilib.ai/kg/mathlib#MulOpposite.instNonUnitalSeminormedCommRing
∫ Утверждение Mathlib
Mathlib.Analysis.Normed.Ring.Basic
URI: https://scilib.ai/kg/mathlib#MulOpposite.instNonUnitalSeminormedCommRing