∫ Утверждение Mathlib
toAddMonoid_injective
Mathlib.Algebra.DirectSum.Basic
URI: https://scilib.ai/kg/mathlib#DirectSum.toAddMonoid_injective
∫ Утверждение Mathlib
Mathlib.Algebra.DirectSum.Basic
URI: https://scilib.ai/kg/mathlib#DirectSum.toAddMonoid_injective