| 2 ≤ j ⊦ getarray(r, i, j, st) = getarray(r, i, 2, st) + getarray(r, i + 2, j - 2, st) |
2 ≤ j, 0 < j, 0 ≤ j ⊦ getarray(r, i, j, st) = getarray(r, i, 2, st) + getarray(r, i + 2, j - 2, st)
[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ i ≤ j ∧ 0 < i → 0 < j], [CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j])]]