∫ Утверждение Mathlib
instNonUnitalCommSemiring
Mathlib.RingTheory.NonUnitalSubsemiring.Basic
URI: https://scilib.ai/kg/mathlib#NonUnitalSubsemiring.center.instNonUnitalCommSemiring
∫ Утверждение Mathlib
Mathlib.RingTheory.NonUnitalSubsemiring.Basic
URI: https://scilib.ai/kg/mathlib#NonUnitalSubsemiring.center.instNonUnitalCommSemiring