∀ {R : Type u} {ι : Type u_4} {M : Type u_5} {m : ι → M} {i : ι} {r : R} {x : M} {m_1 : ι → M} {i_1 : ι} {r_1 : R}
  {x_1 : M},
  exteriorPower.presentation.Rels.smul m i r x = exteriorPower.presentation.Rels.smul m_1 i_1 r_1 x_1 →
    m = m_1 ∧ i = i_1 ∧ r = r_1 ∧ x = x_1