| i0 | i, i0 | j, 1 < i, 2 < j, 0 < i, i < j, prime(j), 0 < j, 1 < j, 0 < i0, 1 < i0 ⊦ |
⊦ prime(j) ↔ 2 ≤ j ∧ (∀ i. 1 < i ∧ i < j → ¬ i | j)
i0 | i, i0 | j, 1 < i, 2 < j, 0 < i, i < j, 2 ≤ j ∧ (∀ i. 1 < i ∧ i < j → ¬ i | j), 0 < j, 1 < j, 0 < i0, 1 < i0 ⊦
Used terms: j