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Proof step 12 from proof bits2bits-def (previous step)

~ bits2uint((false ' + bitsinvert(bits0))+1) < 0 ⊦ sgn(bitsinvert(uint2bits(abs(~ bits2uint((false ' + bitsinvert(bits0))+1)))) +1) = sgn(true ' + bits0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

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