Quad Int mul eq zero

import Mathlib.Algebra.QuadraticAlgebra.Basic
import Mathlib.Algebra.Ring.Basic
import Mathlib.Algebra.Ring.Equiv
import Mathlib.Data.Finset.Card
import Mathlib.Data.Finset.Prod
import Mathlib.Data.Int.Interval
import Mathlib.Data.Int.Sqrt
import Mathlib.Tactic.Linarith
import Mathlib.Tactic.LinearCombination
import Definitions.Def_D1Bound5_Coordinates_Definitions

section
namespace D1Bound5
open QuadInt
















theorem _root_.D1Bound5.quadInt_mul_eq_zero {tau nu : ℤ} (hd : 0 < discriminant tau nu)
    {x y : QuadInt tau nu} (h : x*y = 0) : x = 0 ∨ y = 0 := by sorry



















end D1Bound5
end