int2bytes(i) = i2b(0) ' + i2b(0) ' + bytes, 0 ≤ i ⊦
Used simplifier rules: ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j; (forward)% ⊦ ¬ i < j ↔ j ≤ i;