∀ {k : Type u_1} [inst : Field k] {K : Type u_2} [inst_1 : Field K] [inst_2 : Algebra k K]
  {w₁ w₂ : NumberField.InfinitePlace K},
  NumberField.InfinitePlace.IsRamified k w₂ → w₁.embedding ≠ NumberField.ComplexEmbedding.conjugate w₂.embedding