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Proof step 130 from proof byte-law-and-one (previous step)

false ' + fillsgn(7, int2bits(i)) = fillsgn(8, int2bits(i)), 8 = # fillsgn(8, bitsand(bits, false ' + fillsgn(7, int2bits(i)))), 8 = # fillsgn(8, bitsand(bits, int2bits(i))), 7 = # fillsgn(7, int2bits(i)), int2bits(j) = bits0 + bits, # bits = 8, 0 ≤ i, # int2bits(i) < 8 ⊦ fillsgn(8, bitsand(bits, int2bits(i))) = fillsgn(8, bitsand(bits, false ' + fillsgn(7, int2bits(i)))), bits0 + bits = []

User applied rule insert equation

And obtained the following new goals

Rule argument

pos: left 1 flags: discard

Additional information