∀ (p : Type u_2) (q : Type u_3) (R : Type u₂) [inst : DecidableEq p] [inst_1 : DecidableEq q] [inst_2 : CommRing R]
  [inst_3 : Fintype p] [inst_4 : Fintype q] {i : R} (hi : i * i = -1),
  LieAlgebra.Orthogonal.invertiblePso p q R hi = LieAlgebra.Orthogonal.invertiblePso p q R hi