| ⊦ r = r0, getbytearray(r, 0, (addarray(r0, ty, vals, st)[r -- _length]) .intval, addarray(r0, ty, vals, st)) = getbytearray(r, st) |
⊦ r ≠ r0 → (addarray(r, ty, vals, st)[r0 -- sk]) = st[r0 -- sk]
⊦ r = r0, getbytearray(r, 0, st[r -- _length] .intval, addarray(r0, ty, vals, st)) = getbytearray(r, st)
[[CONCRETESIMPRULES : ()]]