| i = (i0 * i3) * gcd(i, j), j = (i0 * i1) * gcd(j, i), 1 < i0, 0 < i0, 0 < j, 0 ≤ j, 0 < gcd(j, i), 0 < i1, 0 ≤ i1, 0 < i3, 0 ≤ i3, 0 < gcd(i, j), 0 < i ⊦ i = 0, i0 * gcd(i, j) | i ∧ i0 * gcd(i, j) | j |
i = (i0 * i3) * gcd(i, j), j = (i0 * i1) * gcd(j, i), 1 < i0, 0 < i0, 0 < j, 0 ≤ j, 0 < gcd(j, i), 0 < i1, 0 ≤ i1, 0 < i3, 0 ≤ i3, 0 < gcd(i, j), 0 < i ⊦ i = 0, i0 * gcd(i, j) | i ∧ i0 * gcd(i, j) | (i0 * i1) * gcd(j, i)