| i0 % j = j0 * j + j, 0 ≤ i0 % j, j / 2 < i0 % j, 0 < j, odd(j) ⊦ j = 0, (i0 % j - j) |%| j = i0 % j ∧ j ≤ i0 % j + j / 2, ∃ i. ≡mod(i, i0, j) ∧ abs(i) ≤ j / 2 |
⊦ j ≤ j0 ∧ 0 < j → i % j ≠ j0
¬(j ≤ j0 * j + j ∧ 0 < j), i0 % j = j0 * j + j, 0 ≤ i0 % j, j / 2 < i0 % j, 0 < j, odd(j) ⊦ j = 0, (i0 % j - j) |%| j = i0 % j ∧ j ≤ i0 % j + j / 2, ∃ i. ≡mod(i, i0, j) ∧ abs(i) ≤ j / 2
Used terms: j0 * j + j, j, i0