| ¬ n0 ≤ m * n2 + n, m * n1 = dist(n0, m * n2 + n) ⊦ m | dist(n, n0) |
m * n1 = dist(n0, m * n2 + n), m * n2 + n < n0 ⊦ n0 = 0, m | dist(n, n0)
Used simplifier rules: f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic1%lels-01: ⊦ ¬ m ≤ n ↔ n < m; from specification nat