∀ {C₁ : Type u_1} {C₂ : Type u_2} {C₃ : Type u_3} {C₄ : Type u_4} {C₂₃ : Type u_6}
  [inst : CategoryTheory.Category.{v_1, u_1} C₁] [inst_1 : CategoryTheory.Category.{v_2, u_2} C₂]
  [inst_2 : CategoryTheory.Category.{v_3, u_3} C₃] [inst_3 : CategoryTheory.Category.{v_4, u_4} C₄]
  [inst_4 : CategoryTheory.Category.{v_6, u_6} C₂₃] (F : CategoryTheory.Functor C₁ (CategoryTheory.Functor C₂₃ C₄))
  (G₂₃ : CategoryTheory.Functor C₂ (CategoryTheory.Functor C₃ C₂₃)),
  (CategoryTheory.bifunctorComp₂₃FunctorObj F).obj G₂₃ = CategoryTheory.bifunctorComp₂₃ F G₂₃