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Proof step 6 from proof scan-max (previous step)

m + len0 + 1 < scan(key, zbrar, m + 1, len0), zbrar[m].key < key, ∀ m, key, zbrar. ¬ m + len0 < scan(key, zbrar, m, len0) ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
m + len0 + 1 < scan(key, zbrar, m + 1, len0), zbrar[m].key < key, ∀ m, key, zbrar. ¬ m + len0 < scan(key, zbrar, m, len0) ⊦

Rule argument

Additional information

Used simplifier rules: ⊦ m < n → n ≠ 0; (s)%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic