| validrefs(str, refs, ty, st), newref(r, st) ⊦ r = jvmref, validrefs(str, refs, ty, addobj(r, class, fis, st)) |
⊦ validrefs(str, refs, ty, st) ∧ ¬ r ∈ refs → validrefs(str, refs, ty, addobj(r, class, fis, st))
⊦ r ∈ refs ∧ newref(r, st) → ¬ validrefs(str, refs, ty, st)
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, fis, class, r, ty, refs, str)]]