∀ {Fq : Type u_1} [inst : Fintype Fq] [inst_1 : Field Fq] {x y z : Polynomial Fq} {a : ℤ},
  Polynomial.cardPowDegree (x - y) < a → Polynomial.cardPowDegree (y - z) < a → Polynomial.cardPowDegree (x - z) < a