⊦ prime(i) → (i | j * j0 ↔ i | j ∨ i | j0)
prime(2), i * i = j * 10, 2 | i ∨ 2 | i ⊦ i % 10 = 0
Used simplifier rules: prime-two-01: ⊦ prime(2); Used terms: i, i, 2