| 0 < i, 2 < i, 4 ^ i < Π ints, max(ints) ≤ i, primes(ints), ∀ i0, ints. i→n(i0) < i→n(i) → primes(ints) ∧ max(ints) ≤ i0 ∧ ¬ dups(ints) → Π ints ≤ 4 ^ i0 ⊦ ¬ even(i), ints = [], dups(ints) |
primes(ints), max(ints) ≤ i, 4 ^ i < Π ints, 2 < i, 0 < i, even(i), ∀ i0, ints. i→n(i0) < i→n(i) → primes(ints) ∧ max(ints) ≤ i0 ∧ ¬ dups(ints) → Π ints ≤ 4 ^ i0 ⊦ ints = [], dups(ints)