| i * j = 3, 1 < j, 0 < j, i < 3, 1 < i, 0 < i ⊦ i = 3 |
i * i0 + j0 = i1 * j + j1, 0 ≤ j1, j1 < j, 0 ≤ j0, j0 < j, 0 ≤ i0, i0 ≤ j, 0 ≤ i, i < i1 ⊦
i * j = 3, 1 < j, 0 < j, i < 3, 1 < i, 0 < i ⊦ 3 * 1 + 0 = j * i + 0 ∧ 0 ≤ 0 ∧ 0 ≤ 0 ∧ 0 ≤ 1 ∧ 1 ≤ i ∧ 0 ≤ 3 ∧ 3 < j, i = 3
Used terms: 3, 1, 0, j, i, 0