∀ {R : Type u_1} {M : Type u_2} [inst : CommRing R] [inst_1 : AddCommGroup M] [inst_2 : Module R M]
  (Q : QuadraticForm R M) (m₁ m₂ m₃ : M),
  (CliffordAlgebra.ι Q) m₁ * (CliffordAlgebra.ι Q) m₂ * ((CliffordAlgebra.ι Q) m₂ * (CliffordAlgebra.ι Q) m₃) =
    (CliffordAlgebra.ι Q) m₁ * ((CliffordAlgebra.ι Q) m₂ * (CliffordAlgebra.ι Q) m₂ * (CliffordAlgebra.ι Q) m₃)