| i * i0 = j ^ j0, gcd(i, j) = 1, 0 < i, 1 < i, 0 < j0, ∀ j1, i, i0, j. i→n(j1) < i→n(j0) → i * i0 = j ^ j1 ∧ gcd(i, j) = 1 ∧ 0 < i ∧ 1 < i ∧ 0 < j1 → j = 0 ⊦ j = 0 |
⊦ 0 < i → j ^ i = j ^ i -1 * j
0 < j0, i * i0 = j ^ j0 -1 * j, gcd(i, j) = 1, 0 < i, 1 < i, 0 < j0, ∀ j1, i, i0, j. i→n(j1) < i→n(j0) → i * i0 = j ^ j1 ∧ gcd(i, j) = 1 ∧ 0 < i ∧ 1 < i ∧ 0 < j1 → j = 0 ⊦ j = 0
Used terms: j0, j