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Proof step 1 from proof succ-zero-03 (conclusion)

⊦ bits ≠ [] ∧ ¬ bits.last → bits +1 = bits.butlast + true

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ bits = [], bits +1 = bits.butlast + true ', bits.last

Rule argument

Additional information

Used simplifier rules: ⊦ bits + boolvar = bits + boolvar ';