∫ Утверждение Mathlib
one_div_spanSingleton
Mathlib.RingTheory.FractionalIdeal.Operations
URI: https://scilib.ai/kg/mathlib#FractionalIdeal.one_div_spanSingleton
∫ Утверждение Mathlib
Mathlib.RingTheory.FractionalIdeal.Operations
URI: https://scilib.ai/kg/mathlib#FractionalIdeal.one_div_spanSingleton