| junkref(str, r, addobj(r0, class, fis, st)), newref(r0, st) ⊦ r0 = jvmref, junkref(str, r, st) |
⊦ junkref(str, r, st) ↔ (∃ refs. refs ≠ [] ∧ refs .first = r ∧ junkrefs(str, refs, st[r -- _type] .type, st))
∃ refs. refs ≠ [] ∧ refs .first = r ∧ junkrefs(str, refs, (addobj(r0, class, fis, st)[r -- _type]) .type, addobj(r0, class, fis, st)), newref(r0, st) ⊦ r0 = jvmref, junkref(str, r, st)
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addobj(r0, class, fis, st), r, str)]]