| 0 ≤ i, i→n(i) ≤ # vals1, ∀ val, st, ty, r, i, vals0. # vals0 < # vals1 + 1 → (true → (0 ≤ i ∧ i→n(i) < # vals0 → (addarray(r, ty, vals0, st)[r -- i ', val]) = addarray(r, ty, vals0[i→n(i), val], st))) ⊦ (addarray(r, ty, vals1, st)[r -- n→i(# vals1) ', val0][r -- _length, intval(n→i(# vals1) + 1)][r -- i ', val]) = addarray(r, ty, (vals1 + val0 ')[i→n(i), val], st) |
⊦ rk ≠ rk0 → (st[rk0, val][rk, val0]) = (st[rk, val0][rk0, val])
r -- i ' ≠ r -- _length, 0 ≤ i, i→n(i) ≤ # vals1, ∀ val, st, ty, r, i, vals0. # vals0 < # vals1 + 1 → (true → (0 ≤ i ∧ i→n(i) < # vals0 → (addarray(r, ty, vals0, st)[r -- i ', val]) = addarray(r, ty, vals0[i→n(i), val], st))) ⊦ (addarray(r, ty, vals1, st)[r -- n→i(# vals1) ', val0][r -- i ', val][r -- _length, intval(n→i(# vals1) + 1)]) = addarray(r, ty, (vals1 + val0 ')[i→n(i), val], st)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r -- sk = r0 -- sk0 ↔ r = r0 ∧ sk = sk0], [CSIMPSEQ : ⊦ _length ≠ i '])], [EXTRATERMS : (val, r -- i ', intval(n→i(# vals1) + 1), r -- _length, addarray(r, ty, vals1, st)[r -- n→i(# vals1) ', val0])]]