∀ (C : Type u_2) [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.LocallySmall.{u_3, u_1, u_2} C]
  {X Y : C} (f : X ⟶ Y),
  CategoryTheory.shrinkYonedaObjObjEquiv
      (CategoryTheory.shrinkYonedaEquiv (CategoryTheory.shrinkYoneda.{u_3, u_1, u_2}.map f)) =
    f