∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Abelian C] {X Y Z : C} (f : X ⟶ Y)
  (g : Y ⟶ Z),
  CategoryTheory.kernelCokernelCompSequence.φ f g =
    CategoryTheory.Limits.biprod.desc (CategoryTheory.CategoryStruct.comp f CategoryTheory.Limits.biprod.inl)
      (CategoryTheory.Limits.biprod.lift (-CategoryTheory.CategoryStruct.id Y) g)