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Proof step 18 from proof cyclic-addobj-other-01 (previous step)

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

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ cyclic(str, r, st) ↔ (∃ refs. dups(refs) ∧ refs .first = r ∧ validrefs(str, refs, st[r -- _type] .type, st))
Proof step 17:
∃ refs. dups(refs) ∧ refs .first = r ∧ validrefs(str, refs, st[r -- _type] .type, st), newref(r0, st) ⊦ cyclic(str, r, addobj(r0, class, fis, st)), r = r0, r0 = jvmref, junkref(str, r, st)

Rule argument

[crewrite-arg: cyclic-def-simple, F, [st, r, str] → [st, r, str]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, r, str)]]