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Proof step 7 from proof primes-max-even (previous step)

max(ints) ∈ ints → prime(max(ints)), ∀ i. i ∈ ints → prime(i) ⊦ ints = [], even(max(ints)) ↔ max(ints) = 2, 4 ∈ ints

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
prime(max(ints)), ∀ i. i ∈ ints → prime(i) ⊦ ints = [], even(max(ints)) ↔ max(ints) = 2, 4 ∈ ints

Rule argument

Additional information

Used simplifier rules: max-in-01: ⊦ max(ints) ∈ ints ↔ ints ≠ [];