| i0 + j = j0 + 1, i0 ≤ j0, j0 ≤ i, 0 < j, i0 < i, j0 < i, i0 ≤ i, ∀ j1, i0, i, j0, r, st. i→n(j1) < i→n(j) → (true → (i0 + j1 ≤ i ∧ i0 ≤ j0 ∧ j0 < i0 + j1 → (arraycopy(r, i, r, i0, j1, st)[r -- j0 ']) = st[r -- ((j0 - i0) + i) '])) ⊦ (arraycopy(r, i, r, i0, j - 1, st[r -- j0 ', st[r -- (i + j - 1) ']])[r -- j0 ']) = st[r -- (i + j0 - i0) '] |
⊦ j = i0 + j0 ↔ j - j0 = i0
i0 + j - 1 = j0, i0 ≤ j0, j0 ≤ i, 0 < j, i0 < i, j0 < i, i0 ≤ i, ∀ j1, i0, i, j0, r, st. i→n(j1) < i→n(j) → (true → (i0 + j1 ≤ i ∧ i0 ≤ j0 ∧ j0 < i0 + j1 → (arraycopy(r, i, r, i0, j1, st)[r -- j0 ']) = st[r -- ((j0 - i0) + i) '])) ⊦ (arraycopy(r, i, r, i0, j - 1, st[r -- j0 ', st[r -- (i + j - 1) ']])[r -- j0 ']) = st[r -- (i + j0 - i0) ']
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (1, j0, i0 + j)]]