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Proof step 4 from proof band-011x-neg (previous step)

j < 0, j < 0, 0 ≤ i, j < i ⊦ (j + 1) % 2 ^ i + 2 ^ i = bits2int(bitsand(false ' + mklist(true, i→n(i)), sgn(bitsinvert(uint2bits(abs(j))) +1))) + 1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
j < 0, 0 ≤ i, j < i ⊦ (j + 1) % 2 ^ i + 2 ^ i = 1 + bits2int(bitsand(false ' + mklist(true, i→n(i)), sgn(bitsinvert(uint2bits(~ j)) +1)))

Rule argument

Additional information

Used simplifier rules: ⊦ i < 0 → abs(i) = ~ i;