| 2 * m0 = m ⊦ ∃ n. m = 2 * n, ∃ n. m = 2 * n + 1 |
⊦ ∃ n. 2 * m0 = 2 * n
Used simplifier rules: two-succ-05: ⊦ 2 * m ≠ 2 * n + 1;%mult-a: ⊦ m0 * m * n = (m0 * m) * n;%mult-c: ⊦ m * n = n * m;%c: ⊦ m + n = n + m; from specification nat-basic2%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic2