max(m, n) < n0, n0 ≤ m, n0 ≤ n, n ≤ m ⊦ m = max(max(m, n), n0)
n0 ≤ m, n0 ≤ n, n ≤ m ⊦ m = max(max(m, n), n0), max(m, n) < n0
Used formulas: max(m, n) < n0