∀ {n : Type u_1} {R : Type u_2} [inst : DecidableEq n] [inst_1 : Fintype n] [inst_2 : CommRing R]
  [inst_3 : LinearOrder R] [inst_4 : IsStrictOrderedRing R] (x y : ↥(Matrix.GLPos n R)), ↑(x * y) = ↑x * ↑y