| n = m1 + m1 + 1, odd(n) ⊦ (2 * m / 2 + 2 * m1) + 2 = m + n, ∃ m0. 2 * m0 = m, ∃ m0. 2 * m0 = n |
⊦ ∃ m1. 2 * m1 = 2 * m0
Used simplifier rules: pot2-odd-02: ⊦ n / 2 * 2 + 1 = n ↔ odd(n);%Odd: ⊦ odd(n) ↔ ¬ even(n);%Even: ⊦ even(n) ↔ (∃ m. m + m = n);%modd-02: ⊦ odd(2 * m + 1);% ⊦ 2 * m ≠ 2 * n + 1; (s)%mult-c: ⊦ m * n = n * m; from specification nat-mult%mult-a: ⊦ m0 * m * n = (m0 * m) * n; from specification nat-mult%n < n0 ⊦ m + (* n) = m0 + (* n0) ↔ m = m0 + (n0 - n); (s)% ⊦ m + n = m + n0 ↔ n = n0; (s)%c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic% ⊦ m + m = 2 * m; (s)