| m + n = m0 * 2 + n0 ∧ n0 < 2 ∧ 2 ≠ 0, m < m0, m < n, n < m0, m + 1 < m0 ⊦ n = 0, m0 = 0 |
m + n = m0 * 2 + n0, m < m0, n < m0, m < n, n0 < 2, m + 1 < m0 ⊦ m0 = 0, n = 0
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%lf: ⊦ m < n ∧ n < n0 → m +1 < n0; (forward) from specification nat-basic1%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic1