∫ Утверждение Mathlib
nonUnitalSubringClass
Mathlib.Algebra.Ring.Subring.Defs
URI: https://scilib.ai/kg/mathlib#SubringClass.nonUnitalSubringClass
∫ Утверждение Mathlib
Mathlib.Algebra.Ring.Subring.Defs
URI: https://scilib.ai/kg/mathlib#SubringClass.nonUnitalSubringClass