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Proof step 4 from proof band-011x-is-unsigned-03 (previous step)

0 ≤ i, i = n→i(# int2bits(j)), 0 < i ⊦ band(j, 2 ^ i - 1) = bits2uint(int2bits(j))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
⊦ band(j, 2 ^ n→i(# int2bits(j)) - 1) = bits2uint(int2bits(j))

Rule argument

Additional information

Used simplifier rules: ⊦ int2bits(j) ≠ [];% ⊦ # bits = 0 ↔ bits = [];% ⊦ 0 < n ↔ n ≠ 0;%0 ≤ i ⊦ (* i) < n→i(n) ↔ i→n(i) < n;% ⊦ 0 ≤ n→i(n);