∀ {J : Type v} [inst : CategoryTheory.SmallCategory J] {C : Type u} [inst_1 : CategoryTheory.Category.{v, u} C]
  (F : CategoryTheory.Functor J C) (X : C) (a : F ⟶ (CategoryTheory.Functor.const J).obj X),
  (CategoryTheory.Limits.limitCompYonedaIsoCocone F X).inv a =
    (CategoryTheory.Limits.Types.limitEquivSections (F.op.comp (CategoryTheory.yoneda.obj X))).symm
      ((CategoryTheory.Limits.opCompYonedaSectionsEquiv F X).symm a)