| n2 < m, n0 + m ≤ # ar0, n ≤ # ar1, n1 + m ≤ n, n1 + m ≤ # ar1, n2 < m → ar0[n0 + n2] = resize(ar1, n)[n1 + n2], ∀ n2. n2 < m → ar0[n0 + n2] = resize(ar1, n)[n1 + n2] ⊦ ar0[n0 + n2] = ar1[n1 + n2] |
ar0[n0 + n2] = resize(ar1, n)[n1 + n2], n2 < m, n1 + m ≤ # ar1, n1 + m ≤ n, n ≤ # ar1, n0 + m ≤ # ar0, ∀ n2. n2 < m → ar0[n0 + n2] = resize(ar1, n)[n1 + n2] ⊦ resize(ar1, n)[n1 + n2] = ar1[n1 + n2]