∫ Утверждение Mathlib
one_mem_toNonUnitalSubsemiring
Mathlib.Algebra.Ring.Subsemiring.Defs
URI: https://scilib.ai/kg/mathlib#Subsemiring.one_mem_toNonUnitalSubsemiring
∫ Утверждение Mathlib
Mathlib.Algebra.Ring.Subsemiring.Defs
URI: https://scilib.ai/kg/mathlib#Subsemiring.one_mem_toNonUnitalSubsemiring