⊦ 0 ≤ i → int2bits(i) = uint2bits(i)
0 ≤ j, 0 ≤ i, # uint2bits(j) < # uint2bits(i), i < j, 0 < j ⊦
Used simplifier rules: ⊦ ¬ i ≤ j ↔ j < i;% ⊦ i < j → ¬ j < i; Used terms: j