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Proof step 6 from proof bits2int-sgn (previous step)

boolvar ' + bits0 = mklist(boolvar, n) + sgn(boolvar ' + bits0) ⊦ bits2int(sgn(boolvar ' + bits0)) = bits2int(boolvar ' + bits0)

User applied rule insert equation

And obtained the following new goals

Proof step 7:
⊦ bits2int(sgn(mklist(boolvar, n) + sgn(boolvar ' + bits0))) = bits2int(mklist(boolvar, n) + sgn(boolvar ' + bits0))

Rule argument

pos: left 1 flags: discard

Additional information