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Proof step 17 from proof cyclic-addobj-other (previous step)

cyclic(str, r, addobj(r0, class, fis, st)), newref(r0, st) ⊦ r = r0, r0 = jvmref, junkref(str, r, st), cyclic(str, r, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ cyclic(str, r, st) ↔ (∃ refs. dups(refs) ∧ refs .first = r ∧ validrefs(str, refs, st[r -- _type] .type, st))
Proof step 16:
∃ refs. dups(refs) ∧ refs .first = r ∧ validrefs(str, refs, (addobj(r0, class, fis, st)[r -- _type]) .type, addobj(r0, class, fis, st)), newref(r0, st) ⊦ r = r0, r0 = jvmref, junkref(str, r, st), cyclic(str, r, st)

Rule argument

[crewrite-arg: cyclic-def-simple , F , [st, r, str] → [addobj(r0, class, fis, st), r, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addobj(r0, class, fis, st), r, str)]]