{A : Type u₁} →
  {B : Type u₂} →
    {C : Type u₃} →
      {inst : CategoryTheory.Category.{v₁, u₁} A} →
        {inst_1 : CategoryTheory.Category.{v₂, u₂} B} →
          {inst_2 : CategoryTheory.Category.{v₃, u₃} C} →
            {F : CategoryTheory.Functor A B} →
              {G : CategoryTheory.Functor C B} →
                (X : Type u₄) →
                  {inst_3 : CategoryTheory.Category.{v₄, u₄} X} →
                    (x y : CategoryTheory.Limits.CategoricalPullback.CatCommSqOver F G X) →
                      [SizeOf A] →
                        [SizeOf B] →
                          [SizeOf C] →
                            [SizeOf X] → SizeOf (CategoryTheory.Limits.CategoricalPullback.CatCommSqOver.Hom X x y)