| i * i1 = i0 * j + j0, j0 < j, 1 < j, 0 < i, i < j, 0 < i1, i1 < j, 0 < j, 0 < i0, i ≤ i0, 0 ≤ i0, 0 ≤ j0, 0 ≤ i1 ⊦ i * i1 = i0 * j + j0 ∧ 0 ≤ 0 ∧ i1 ≤ j ∧ 0 ≤ i ∧ i < i0 |
i * i1 = i0 * j + j0, 0 < i0, 0 < j, i1 < j, 0 < i1, i < j, 0 < i, 1 < j, j0 < j, 0 ≤ i1, 0 ≤ j0, 0 ≤ i0, i ≤ i0 ⊦ i < i0
Used simplifier rules: ⊦ i ≤ j ↔ ¬ j < i; (ss)% ⊦ i < j → ¬ j < i; (s)