| n1 + m0 = n + 1, n < # ar, n0 + m < # ar, ar[n] < 0, sum(ar, n0, m) < sum(ar, n1, m0), n0 + m ≤ n + 1, n0 + m ≤ n, ∀ n1, m0. n1 + m0 ≤ # subarray(ar, 0, n) → sum(subarray(ar, 0, n), n1, m0) ≤ sum(ar, n0, m) ⊦ |
n1 + m0 = n + 1, sum(ar, n0, m) < sum(ar, n1, m0), ar[n] < 0, n0 + m < # ar, n < # ar, n0 + m ≤ n, n0 + m ≤ n + 1, ∀ n2, m1. n2 + m1 ≤ n → sum(ar, n2, m1) ≤ sum(ar, n0, m) ⊦
Used simplifier rules: sum-subarray: m0 + m1 ≤ n, n ≤ # ar ⊦ sum(subarray(ar, 0, n), m0, m1) = sum(ar, m0, m1);% ⊦ m < n → m ≤ n; (s)% ⊦ # subarray(ar0, m, n) = n; (s)