i ≤ 127, i % 256 ≤ 127, 0 ≤ i ⊦ i = i % 256
Used simplifier rules: ⊦ j ≤ j0 ∧ j0 ≤ j1 → j ≤ j1; (forward)%i0 ≠ 0, i0 ≤ i ⊦ (* i) ≤ j → (* i0) ≤ j;