| ⊦ n→i(n) < st[r -- _length] .intval → (getbytearray(r, st)[n]) = st[r -- n→i(n) '] .byteval |
n→i(n) < st[r -- _length] .intval, 0 < st[r -- _length] .intval ⊦ (getbytearray(r, st)[n]) = st[r -- n→i(n) '] .byteval
[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ n→i(m) < j → 0 < j])]]