∫ Утверждение Mathlib
one_eq_delta
Mathlib.NumberTheory.LSeries.Dirichlet
URI: https://scilib.ai/kg/mathlib#ArithmeticFunction.one_eq_delta
∫ Утверждение Mathlib
Mathlib.NumberTheory.LSeries.Dirichlet
URI: https://scilib.ai/kg/mathlib#ArithmeticFunction.one_eq_delta