| j = i0 + 1, 0 < j, ∀ st0, st, i, r, j0. i→n(j0) < i→n(j) → (true → getarray(r, i, j0, st ∪ st0) = getarray(r, i, j0, st0) ∨ r ∈ st) ⊦ (st ∪ st0)[r -- i '] ' + getarray(r, i + 1, i0, st ∪ st0) = getarray(r, i, j, st0), r ∈ st |
0 ≤ i0, ∀ st0, st, i, r, j0. i→n(j0) < i→n(i0 + 1) → (true → getarray(r, i, j0, st ∪ st0) = getarray(r, i, j0, st0) ∨ r ∈ st) ⊦ (st ∪ st0)[r -- i '] ' + getarray(r, i + 1, i0, st ∪ st0) = getarray(r, i, i0 + 1, st0), r ∈ st
[[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])]]