∀ {K : Type u_4} {L : Type u_5} [inst : Field K] [inst_1 : Field L] [inst_2 : Algebra K L]
  {v : NumberField.InfinitePlace K} {w : NumberField.InfinitePlace L},
  w ∈ NumberField.InfinitePlace.ramifiedPlacesOver L v →
    NumberField.ComplexEmbedding.LiesOver (NumberField.ComplexEmbedding.conjugate w.embedding) v.embedding