| sk = i0 ', is_indexkey(sk), i + j ≤ i0 ∨ i0 < i ⊦ getbytearray(r, i, j, st[r -- sk, val]) = getbytearray(r, i, j, st) |
⊦ i0 < i → getbytearray(r, i, j, st[r0 -- i0 ', val]) = getbytearray(r, i, j, st)
i + j ≤ i0, i ≤ i0 ⊦ getbytearray(r, i, j, st[r -- i0 ', val]) = getbytearray(r, i, j, st)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ i < j ↔ j ≤ i], [CSIMPSEQ : ⊦ is_indexkey(i ')])]]