| 0 ≤ i ∧ j < 3 * 2 ^ i ∧ 2 * 2 ^ i ≤ j ∧ 0 < 2 ^ i, ∀ j0, i. i→n(j0) < i→n(j) → 0 ≤ i ∧ j0 < 3 * 2 ^ i ∧ 2 * 2 ^ i ≤ j0 ∧ 0 < 2 ^ i → # uint2bits(j0) = i→n(i + 3) ⊦ # uint2bits(j) = i→n(i + 3) |
0 < 2 ^ i, 2 * 2 ^ i ≤ j, j < 3 * 2 ^ i, 0 ≤ i, ∀ j0, i. i→n(j0) < i→n(j) → 0 ≤ i ∧ j0 < 3 * 2 ^ i ∧ 2 * 2 ^ i ≤ j0 ∧ 0 < 2 ^ i → # uint2bits(j0) = i→n(i + 3) ⊦ # uint2bits(j) = i→n(i + 3)