| ⊦ n0 % n = 0, (n0 + n) / n * n = n + (n0 % n = 0 ⊃ n0;n0 / n * n), n = 0 |
⊦ n0 % n = 0, n0 / n + 1 = (n0 + n) / n, n = 0
Used simplifier rules: c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic%mult-c: ⊦ m * n = n * m; from specification nat-mult%mult-a: ⊦ m0 * m * n = (m0 * m) * n; from specification nat-mult% ⊦ m * n + n = m1 * n ↔ m + 1 = m1 ∨ n = 0; (s)