| st[r -- _length] .intval = i + n→i(n), 0 ≤ i ⊦ restn(n, getbytearray(r, st)) = getbytearray(r, n→i(n), i, st) |
⊦ getbytearray(r, st) = getbytearray(r, 0, st[r -- _length] .intval, st)
st[r -- _length] .intval = i + n→i(n), 0 ≤ i ⊦ restn(n, getbytearray(r, 0, st[r -- _length] .intval, st)) = getbytearray(r, n→i(n), i, st)
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, r)]]