n ≠ 0 ⊦ m0 = m / n ∧ n0 = m % n ↔ m = m0 * n + n0 ∧ n0 < n
m + n = m0 * 2 + n0 ∧ n0 < 2 ∧ 2 ≠ 0, m0 < n, m0 < m ⊦ n = 0, m = 0
Used terms: m + n, 2, m0, n0