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Proof step 996 from proof bitsand-cast (previous step)

# bits0 ≤ # bits1, bits0.first ⊦ bits1 = [], bits2 + bits1 = [], bits1 = lastn(# bits1, fillsgn(# bits1, bits2 + bitsand(bits1, bits0))), bits0 = [], mklist(¬ true, # bits1) ≠ bits1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 997:
mklist(false, # bits1) = bits1, # bits0 ≤ # bits1, bits0.first ⊦ bits1 = [], bits2 + bits1 = [], bits1 = lastn(# bits1, fillsgn(# bits1, bits2 + bitsand(bits1, bits0))), bits0 = []

Proof step 996 from proof bitsand-cast (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information