⊦ n ≠ 0 → (m % n = 0 ↔ (∃ n0. m = n0 * n))
n0 < (n2 * n1) % n0 + n1, ∃ n2. n0 = n2 * n1 ⊦ (n2 * n1) % n0 = 0, n0 = 0, n1 = 0
Used terms: n1, n0