∀ {n : Type u_1} [inst : DecidableEq n] [inst_1 : Fintype n] {R : Type u_2} [inst_2 : CommRing R]
  [inst_3 : LinearOrder R] [inst_4 : IsStrictOrderedRing R], ⟨Matrix.SpecialLinearGroup.toGL 1, ⋯⟩ = 1