∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {A : CategoryTheory.Functor Cᵒᵖ (Type v)}
  {F : CategoryTheory.Functor (CategoryTheory.CostructuredArrow CategoryTheory.yoneda A)ᵒᵖ (Type v)} {X : C}
  (p : CategoryTheory.OverPresheafAux.YonedaCollection F X), p.yonedaEquivFst = CategoryTheory.yonedaEquiv p.fst