| suffix-upper-bound(ar, i) ⊦ suffix-upper-bound(ar0, i0) ↔ (∀ n. (n ≤ # ar → sum(ar, n, # ar - n) ≤ i) → n ≤ # ar0 → sum(ar0, n, # ar0 - n) ≤ i0) |
suffix-upper-bound(ar, i) ⊦ suffix-upper-bound(ar0, i0) ↔ (∀ n. (n ≤ # ar → sum(ar, n, # ar - n) ≤ i) → n ≤ # ar0 → sum(ar0, n, # ar0 - n) ≤ i0)