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Proof step 21 from proof shiftzero-zero-size (previous step)

i < 0 ⊦ j = 0, bits2int(firstn(# int2bits(i), mklist(false, i→n(j)) + int2bits(i))) = bits2int(firstn(1 + # int2bits(i), false ' + mklist(false, i→n(j)) + int2bits(i)))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ bits2int(false ' + bits) = bits2uint(bits);% ⊦ m + n = n + m;% ⊦ (m + n0) + n1 = m + n0 + n1;% ⊦ (bits + bits0) + bits1 = bits + bits0 + bits1;% ⊦ boolvar + bits = boolvar ' + bits;% ⊦ firstn(n + 1, boolvar ' + bits) = boolvar + firstn(n, bits);