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Proof step 33 from proof nextli-lemma (previous step)

⊦ ∃ lf. lf(0) = [] ∧ (∀ m. m < 0 → lf(m + 1) = nextli(lf(m)))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 34:
⊦ ∃ lf. lf(0) = []

Rule argument

Additional information

Used simplifier rules: zero-01: ⊦ ¬ m < 0; from specification nat-basic1