| i→n(i + 2) + 1 < # int2bits(2 ^ i * 2), 2 ^ i ≤ j, 0 ≤ i, 0 < j ⊦ 0 = j |
0 < j, 0 ≤ i, 2 ^ i ≤ j, i→n(i + 2) + 1 < # int2bits(2 ^ i * 2) ⊦ 0 = j
Used simplifier rules: int2bits-not-empty: ⊦ int2bits(j) ≠ [];% ⊦ # bits = 0 ↔ bits = [];% ⊦ m < n → n ≠ 0; (forward)