∀ {K : Type u_1} [inst : Field K] [inst_1 : NumberField K]
  {v₁ v₂ : IsDedekindDomain.HeightOneSpectrum (NumberField.RingOfIntegers K)},
  NumberField.FinitePlace.mk v₁ = NumberField.FinitePlace.mk v₂ ↔ v₁ = v₂