∫ Утверждение Mathlib
nonUnitalNonAssocSemiring
Mathlib.Algebra.DirectSum.Ring
URI: https://scilib.ai/kg/mathlib#DirectSum.GradeZero.nonUnitalNonAssocSemiring
∫ Утверждение Mathlib
Mathlib.Algebra.DirectSum.Ring
URI: https://scilib.ai/kg/mathlib#DirectSum.GradeZero.nonUnitalNonAssocSemiring