| i→n(i) < # getarray(r, 0, i0, st), i ≤ i0, 0 ≤ i, 0 ≤ i0, 0 < i0, ∀ r, st, i, j0. i→n(j0) < i→n(i0 + 1) → (true → (0 ≤ i ∧ i < j0 → st[r -- i '] = (getarray(r, 0, j0, st)[i→n(i)]))) ⊦ st[r -- i '] = (getarray(r, 0, i0, st)[i→n(i)]) |
⊦ 0 < j → # getarray(r, i, j, st) = i→n(j)
i ≤ i0, 0 ≤ i, 0 ≤ i0, 0 < i0, i < i0, ∀ r, st, i, j0. i→n(j0) < i→n(i0 + 1) → (true → (0 ≤ i ∧ i < j0 → st[r -- i '] = (getarray(r, 0, j0, st)[i→n(i)]))) ⊦ st[r -- i '] = (getarray(r, 0, i0, st)[i→n(i)])
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ 0 < j → abs(j) = j], [CSIMPSEQ : ⊦ 0 ≤ i → abs(i) = i], [CSIMPSEQ : ⊦ i→n(i) < i→n(j) ↔ abs(i) < abs(j)])]]