| n1 ≤ n0, n0 + m0 ≤ n1 + m1, n + m0 ≤ # ar, n0 + m0 ≤ # ar0 ⊦ range=(ar2, n2, copy(ar, n, ar0, n0, m0), n1, m1) ↔ range=(ar2, n2, ar0, n1, n0 - n1) ∧ range=(ar2, n2 + n0 - n1, ar, n, m0) ∧ range=(ar2, n2 + n0 + m0 - n1, ar0, n0 + m0, m1 + n1 - m0 - n0) |
n0 + m0 ≤ # ar0, n + m0 ≤ # ar, n0 + m0 ≤ n1 + m1, n1 ≤ n0 ⊦ range=(ar2, n2, copy(ar, n, ar0, n0, m0), n1, m1) ↔ range=(ar2, n2, ar0, n1, n0 - n1) ∧ range=(ar2, n2 + n0 - n1, ar, n, m0) ∧ range=(ar2, n2 + n0 + m0 - n1, ar0, n0 + m0, m1 + n1 - m0 - n0)