{B : Type u} →
  [inst : Quiver B] →
    {motive :
        {a b : CategoryTheory.FreeBicategory B} →
          (a_1 a_2 : a ⟶ b) → CategoryTheory.FreeBicategory.Hom₂ a_1 a_2 → Sort u_1} →
      {a b : CategoryTheory.FreeBicategory B} →
        {a_1 a_2 : a ⟶ b} →
          (t : CategoryTheory.FreeBicategory.Hom₂ a_1 a_2) →
            ({a b : CategoryTheory.FreeBicategory B} →
                (a_3 a_4 : a ⟶ b) →
                  (t : CategoryTheory.FreeBicategory.Hom₂ a_3 a_4) →
                    CategoryTheory.FreeBicategory.Hom₂.below t → motive a_3 a_4 t) →
              motive a_1 a_2 t ×' CategoryTheory.FreeBicategory.Hom₂.below t