| ¬ # int2bits(j) % 8 ≠ 0, 0 ≤ i, j < 2 ^ (8 * (i + 1) - 1), 2 ^ (8 * i) ≤ j, 8 * i + 1 < 8 * (i + 1) ⊦ # int2bytes(j) = i→n(i) + 1 |
# int2bits(j) % 8 = 0, 8 * i + 1 < 8 * (i + 1), 2 ^ (8 * i) ≤ j, j < 2 ^ (8 * (i + 1) - 1), 0 ≤ i ⊦ # int2bytes(j) = i→n(i) + 1