| m0 = m1 + 1 ∧ m0 ≠ 0, m + n = m0 * 2 + n0, m1 < n, m + 1 < n, m1 < m, m < n, n0 < 2, m1 + 1 < n ⊦ m + 1 = n |
m + n = (2 * m1 + 2) + n0, m1 < n, n0 < 2, m < n, m1 < m, m + 1 < n, m1 + 1 < n ⊦ m + 1 = n
Used simplifier rules: succ: ⊦ m +1 = m + 1; from specification nat-basic2%trans-1: ⊦ n < n0 ∧ n0 < n1 → n < n1; (forward) from specification nat-basic1%trans: ⊦ n < n0 ∧ n0 < n1 → n +1 < n1; (forward) from specification nat-basic1%oz: ⊦ m + 1 ≠ 0; from specification nat-basic2%c: ⊦ m + n = n + m; from specification nat-basic2%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic2%mult-c: ⊦ m * n = n * m; from specification nat-mult%mult-a: ⊦ m0 * m * n = (m0 * m) * n; from specification nat-mult%dist: ⊦ m0 * (m + n) = m0 * m + m0 * n; from specification nat-mult