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Proof step 7 from proof and-false (previous step)

bitsand(true ' + bits2, true ' + bits) = false ' + bits1, ∀ bits1, bits, bits0. # bits0 < # bits2 → bitsand(true ' + bits0, true ' + bits) = false ' + bits1 → false ⊦ false

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
bitsand(true ' + bits2, true ' + bits) = false ' + bits1, ∀ bits1, bits, bits0. # bits0 < # bits2 → bitsand(true ' + bits0, true ' + bits) = false ' + bits1 → false ⊦

Proof step 7 from proof and-false (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information