∫ Утверждение Mathlib
isUnit_of_mem_nonunits_one_sub_self
Mathlib.RingTheory.LocalRing.Basic
URI: https://scilib.ai/kg/mathlib#IsLocalRing.isUnit_of_mem_nonunits_one_sub_self
∫ Утверждение Mathlib
Mathlib.RingTheory.LocalRing.Basic
URI: https://scilib.ai/kg/mathlib#IsLocalRing.isUnit_of_mem_nonunits_one_sub_self