| i + i0 < j + j0, j0 < j1 ⊦ i + i1 < j + j1, i0 < i1 |
i + i0 < j + j0, j0 < j1 ⊦ i0 = i1, i + i1 < j + j1, i0 < i1
Used simplifier rules: add-a: ⊦ i + j + i0 = (i + j) + i0;%add-c: ⊦ i + j = j + i;%lst-01: ⊦ i < j + i0 ∧ j < j0 → i < j0 + i0; Used formulas: i0 = i1