⊦ m ≤ n → dist(m, n) = n - m
¬ n0 ≤ m * n2 + n, m * n1 = dist(n0, m * n2 + n) ⊦ m | dist(n, n0)
n0 ≤ m * n2 + n, m * n1 = m * n2 + n - n0 ⊦ m | dist(n, n0)
Used terms: m * n2 + n, n0