∫ Утверждение Mathlib
mem_toSubring
Mathlib.Algebra.Algebra.Subalgebra.Basic
URI: https://scilib.ai/kg/mathlib#Subalgebra.mem_toSubring
∫ Утверждение Mathlib
Mathlib.Algebra.Algebra.Subalgebra.Basic
URI: https://scilib.ai/kg/mathlib#Subalgebra.mem_toSubring