∀ {R : Type u_1} [inst : CommRing R] {M : Type u_2} [inst_1 : AddCommGroup M] [inst_2 : Module R M]
  {Q : QuadraticForm R M} (a : CliffordAlgebra Q),
  CliffordAlgebra.reverse (CliffordAlgebra.involute a) = CliffordAlgebra.involute (CliffordAlgebra.reverse a)