{R : Type u_2} →
  [inst : CommRing R] →
    {n : ℕ} →
      {motive : ChevalleyThm.PolynomialC.InductionObj✝ R n → Sort u} →
        ((val : Fin n → Polynomial R) → motive { val := val }) →
          (t : ChevalleyThm.PolynomialC.InductionObj✝¹ R n) → motive t