{J : Type w} →
  [inst : CategoryTheory.SmallCategory J] →
    {κ : Cardinal.{w}} →
      (toDiagram : CategoryTheory.IsCardinalFiltered.exists_cardinal_directed.Diagram J κ) →
        (top : J) →
          toDiagram.IsTerminal top →
            (∀ (j : J) (hj : toDiagram.IsTerminal j), j = top) →
              CategoryTheory.IsCardinalFiltered.exists_cardinal_directed.DiagramWithUniqueTerminal J κ