| ∃ i0. i0 * j ≤ i ∧ i < (i0 + 1) * j ∧ 0 ≤ i0, ∀ i0, j, i. i0 * j ≤ i ∧ i < (i0 + i2) * j ∧ 0 ≤ i0 ∧ 0 < j ∧ 0 ≤ i ∧ 0 ≤ i2 → (∃ i0. i0 * j ≤ i ∧ i < (i0 + 1) * j ∧ 0 ≤ i0), i0 * j ≤ i, i < (i0 + i2 -1) * j, 0 ≤ i0, 0 < j, 0 ≤ i, 0 ≤ i2 -1 ⊦ ∃ i0. i0 * j ≤ i ∧ i < (i0 + 1) * j ∧ 0 ≤ i0 |
i1 * j ≤ i ∧ i < (i1 + 1) * j ∧ 0 ≤ i1, ∀ i0, j, i. i0 * j ≤ i ∧ i < (i0 + i2) * j ∧ 0 ≤ i0 ∧ 0 < j ∧ 0 ≤ i ∧ 0 ≤ i2 → (∃ i0. i0 * j ≤ i ∧ i < (i0 + 1) * j ∧ 0 ≤ i0), i0 * j ≤ i, i < (i0 + i2 -1) * j, 0 ≤ i0, 0 < j, 0 ≤ i, 0 ≤ i2 -1 ⊦ ∃ i0. i0 * j ≤ i ∧ i < (i0 + 1) * j ∧ 0 ≤ i0