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