0 < i, 0 < j, 0 < j0, gcd(j, j0) = 1, j * j = i * j0 * j0 ⊦ ∃ i0. i = i0 * i0
0 < i, 0 < j, 0 < j0, j * j = i * j0 * j0 ⊦ gcd(j, j0) = 1, ∃ i0. i = i0 * i0
Used terms: i, j, j0