∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {X Y : C} (f : X ⟶ Y)
  [inst_1 : CategoryTheory.Limits.HasImage f] [CategoryTheory.Epi (CategoryTheory.Limits.image.ι f)]
  [CategoryTheory.Epi (CategoryTheory.Limits.factorThruImage f)], CategoryTheory.Epi f