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Proof step 24 from proof max-perm (previous step)

¬ i < max(ints1), max(ints1) = max(ints0 -1l i), i ∈ ints0, perm(ints1, ints0 -1l i) ⊦ ints1 = [], i = max(ints0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 25:
max(ints1) = max(ints0 -1l i), i ∈ ints0, perm(ints1, ints0 -1l i), max(ints1) ≤ i ⊦ ints1 = [], i = max(ints0)

Rule argument

Additional information

Used simplifier rules: lels: ⊦ ¬ i < j ↔ j ≤ i; from specification int-abs