∀ {C : Type u_1} [inst : CategoryTheory.Category.{u_2, u_1} C] (P : CategoryTheory.Functor Cᵒᵖ (Type (max u_3 u_2)))
  (s : CategoryTheory.Limits.Cocone (CategoryTheory.Presheaf.functorToRepresentables P))
  (m : (CategoryTheory.Presheaf.coconeOfRepresentable P).pt ⟶ s.pt),
  (∀ (j : P.Elementsᵒᵖ),
      CategoryTheory.CategoryStruct.comp ((CategoryTheory.Presheaf.coconeOfRepresentable P).ι.app j) m = s.ι.app j) →
    m =
      { app := fun X x => CategoryTheory.uliftYonedaEquiv (s.ι.app (Opposite.op (P.elementsMk X x))), naturality := ⋯ }