| i = i1 + 1, 0 < i, ∀ val, sk, st, val0, r0, r, i0. i→n(i0) < i→n(i) → (true → r = r0 ∨ (addarray(r, val0, i0, st)[r0 -- sk, val]) = addarray(r, val0, i0, st[r0 -- sk, val])) ⊦ (addarray(r, val0, i1, st)[r -- i1 ', val0][r0 -- sk, val]) = addarray(r, val0, i, st[r0 -- sk, val]), r = r0 |
⊦ 0 ≤ i → addarray(r, val, i + 1, st) = (addarray(r, val, i, st)[r -- i ', val])
0 ≤ i1, ∀ val, sk, st, val0, r0, r, i0. i→n(i0) < i→n(i1 + 1) → (true → r = r0 ∨ (addarray(r, val0, i0, st)[r0 -- sk, val]) = addarray(r, val0, i0, st[r0 -- sk, val])) ⊦ r = r0, (addarray(r, val0, i1, st)[r -- i1 ', val0][r0 -- sk, val]) = (addarray(r, val0, i1, st[r0 -- sk, val])[r -- i1 ', val0])
[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j], [CSIMPSEQ : ⊦ i + j = j + i], [CSIMPSEQ : ⊦ i + j + i0 = (i + j) + i0], [CSIMPSEQ : ⊦ (~1) < i ↔ 0 ≤ i], [CSIMPSEQ : ⊦ ((* j)) < i0 + ((* j0)) ↔ j - j0 < i0])]]