| i1 + 1 < j, ∃ i1. j0 = i0 + i1 ∧ 0 < i1 ⊦ i1 < j, (i1 + 1) + i0 < j + j0 |
i1 + 1 < j, 0 < i ⊦ i1 < j, i1 + 1 < j + i
Used simplifier rules: forward-le-05: ⊦ i < j ∧ 0 ≤ i → 0 < j;%add-c: ⊦ i + j = j + i; from specification int-basic2%add-a: ⊦ i + j + i0 = (i + j) + i0; from specification int-basic2% ⊦ i + j < i + i0 ↔ j < i0; (s)