| gcd(i, j) = 1, gcd(i ^ (i0 / 2) - 1, j) = 1, 1 < i, i < j, ≡mod(i ^ i0, 1, j), even(i0), 0 < j, 0 < i, 0 ≤ i0, 1 < j, j | (i ^ (i0 / 2) - 1) * (i ^ (i0 / 2) + 1), ~1 ≤ i ^ (i0 / 2) ⊦ prime(j), j | i ^ (i0 / 2) + 1 |
⊦ gcd(i, j) = 1 ∧ ¬ i | j0 → ¬ i | j * j0
Used simplifier rules: gcd-com: ⊦ gcd(i, j) = gcd(j, i); from specification int-gcd Used terms: i ^ (i0 / 2) + 1, i ^ (i0 / 2) - 1, j