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