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Proof step 36 from proof bitsxor-is-orand (previous step)

bits ≠ [] ∧ false ' = false ', ∀ bits, bits1. # bits1 < # false ' → true → bits = [] ∨ bits1 = [] ∨ bits2int(bitsxor(bits, bits1)) = bits2int(bitsor(bitsand(bitsinvert(bits), bits1), bitsand(bitsinvert(bits1), bits))) ⊦ bits = [], bits2int(bits) = bits2int(bitsor(false ', bits))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 37:
∀ bits, bits1. # bits1 < # false ' → true → bits = [] ∨ bits1 = [] ∨ bits2int(bitsxor(bits, bits1)) = bits2int(bitsor(bitsand(bitsinvert(bits), bits1), bitsand(bitsinvert(bits1), bits))) ⊦ bits2int(bits) = bits2int(bitsor(false ', bits)), bits = []

Proof step 36 from proof bitsxor-is-orand (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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