m % n = 0, m < (m0 % n = 0 ⊃ m0;n * m0 / n + n), m0 < n * m0 / n + n, m0 ≤ m ⊦ m0 % n = 0, n = 0
Used simplifier rules: ⊦ ¬ n < n; (s)