| okbytearray(r1, st), path∃(str, r, r1, st), unchanged(str, r, st, st0) ⊦ okbytearray(r1, st0) |
⊦ unchanged(str, r, st, st1) ∧ path∃(str, r, r0, st) → unchanged(str, r0, st, st1)
unchanged(str, r, st, st0) ∧ path∃(str, r, r1, st) → unchanged(str, r1, st, st0), okbytearray(r1, st), path∃(str, r, r1, st), unchanged(str, r, st, st0) ⊦ okbytearray(r1, st0)
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, r, st, st0, r1)]]