∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {D : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} D]
  (G : CategoryTheory.Functor C D) {W X Y : C} (f : W ⟶ X) (g : W ⟶ Y)
  [CategoryTheory.Limits.PreservesColimit (CategoryTheory.Limits.span f g) G],
  CategoryTheory.Limits.PreservesColimit (CategoryTheory.Limits.span g f) G