| ¬ ¬ (∀ r0. (path∃(str, r, r0, st) ↔ path∃(str, r, r0, st0)) ∧ (path∃(str, r, r0, st) → unchangedNorec(r0, st, st0))), level⊆(str, str0), unchanged(str, r, st, st0) ⊦ junkref(str, r, st), unchanged(str0, r, st, st0) |
unchanged(str, r, st, st0), level⊆(str, str0), ∀ r0. (path∃(str, r, r0, st) ↔ path∃(str, r, r0, st0)) ∧ (path∃(str, r, r0, st) → unchangedNorec(r0, st, st0)) ⊦ unchanged(str0, r, st, st0), junkref(str, r, st)
[[CONCRETESIMPRULES : ()]]