{X : Type v} →
  [inst : TopologicalSpace X] →
    [inst_1 : Preorder X] →
      [inst_2 : Topology.IsUpperSet X] →
        (U : TopologicalSpace.Opens X) →
          CategoryTheory.Functor (CategoryTheory.StructuredArrow (Opposite.op U) (Alexandrov.principals X)) X