| ¬(sort(x0) + a ' ≠ [] ∧ ordered≤(sort(x0) + a ')), max(sort(x0)) = max(x0), max(x0) < a ⊦ x0 = [], max(sort(x0) + a ') = a |
max(sort(x0)) = max(x0), max(x0) < a ⊦ x0 = [], max(sort(x0) + a ') = a, ordered≤(sort(x0) + a ')
Used simplifier rules: a: ⊦ (x + y) + z = x + y + z; from specification list%e-02: ⊦ x + a ' ≠ []; from specification list