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Proof step 42 from proof bitsand-cast-04 (previous step)

¬ true ∈ mklist(false, n0), # bits1 ≤ # bits0 + n0, # bits0 < # bits1 ⊦ sgn(bitsand(false ' + bits0, false ' + bits1)) = sgn(bitsand(bits1, false ' + bits0)), n0 = 0, bits1 = []

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 43:
# bits1 ≤ # bits0 + n0, # bits0 < # bits1 ⊦ sgn(bitsand(false ' + bits0, false ' + bits1)) = sgn(bitsand(bits1, false ' + bits0)), n0 = 0, bits1 = []

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ true ∈ mklist(false, n);