| uint2bits(i) = uint2bits(j) ∧ 0 ≤ i ∧ 0 ≤ j, ∀ i0, j. i→n(i0) < i→n(i) → uint2bits(i0) = uint2bits(j) ∧ 0 ≤ i0 ∧ 0 ≤ j → i0 = j ⊦ i = j |
uint2bits(i) = uint2bits(j), 0 ≤ j, 0 ≤ i, ∀ i0, j. i→n(i0) < i→n(i) → uint2bits(i0) = uint2bits(j) ∧ 0 ≤ i0 ∧ 0 ≤ j → i0 = j ⊦ i = j