| 2 * j - j = j, i ^ i0 < i ^ max_exp(i, fac(2 * j) / (fac(2 * j - j) * fac(j))), 0 ≤ j, i ^ i0 ≤ 2 * j, 2 * j < i ^ (i0 + 1), i | fac(2 * j) / (fac(2 * j - j) * fac(j)), prime(i), 2 * j < i ^ max_exp(i, fac(2 * j) / (fac(2 * j - j) * fac(j))), 0 < j, 0 ≤ i0, i ^ i0 < i ^ (i0 + 1), i0 < max_exp(i, fac(2 * j) / (fac(2 * j - j) * fac(j))), fac(2 * j - j) * fac(j) | fac(2 * j) ⊦ max_exp(i, fac(2 * j) / (fac(2 * j - j) * fac(j))) = 0 |
i ^ i0 < i ^ max_exp(i, fac(2 * j) / (fac(j) * fac(j))), 0 ≤ j, i ^ i0 ≤ 2 * j, 2 * j < i ^ (i0 + 1), i | fac(2 * j) / (fac(j) * fac(j)), prime(i), 2 * j < i ^ max_exp(i, fac(2 * j) / (fac(j) * fac(j))), 0 < j, 0 ≤ i0, i ^ i0 < i ^ (i0 + 1), i0 < max_exp(i, fac(2 * j) / (fac(j) * fac(j))), fac(j) * fac(j) | fac(2 * j) ⊦ max_exp(i, fac(2 * j) / (fac(j) * fac(j))) = 0