m % n = 0, m < (m0 % n = 0 ⊃ m0;n * m0 / n + n) ⊦ n = 0, m < m0
m % n = 0, m < m0 ⊦ n = 0, m < (m0 % n = 0 ⊃ m0;n * m0 / n + n)