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Proof step 6 from proof new-add (conclusion)

⊦ newref(r, addobj(r0, class1, fis, st)) ↔ r ≠ r0 ∧ newref(r, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ newref(r, st) ↔ r ≠ jvmref ∧ ¬ r ∈ st
Proof step 5:
⊦ r ≠ jvmref ∧ ¬ r ∈ addobj(r0, class1, fis, st) ↔ r ≠ r0 ∧ newref(r, st)

Rule argument

[speclemmaarg: ,newref(r, st) ↔ r ≠ jvmref ∧ ¬ r ∈ st ,[st, r] → [addobj(r0, class1, fis, st), r] ,F ,storefuns , ,newref-def ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addobj(r0, class1, fis, st), r)]]