∫ Утверждение Mathlib
isFractionRing
Mathlib.RingTheory.Localization.AsSubring
URI: https://scilib.ai/kg/mathlib#Localization.subalgebra.isFractionRing
∫ Утверждение Mathlib
Mathlib.RingTheory.Localization.AsSubring
URI: https://scilib.ai/kg/mathlib#Localization.subalgebra.isFractionRing