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Proof step 3 from proof addobj-at-other (previous step)

⊦ r = r0, sks = [], (addobj(r, class, fis, st)[r0 -- (sk ' + sks)]) = (addobj(r, class, fis, st)[st[r0 -- sk] .refval -- sks])

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: ,sks ≠ [] → st[r -- (sk ' + sks)] = st[st[r -- sk] .refval -- sks] ,[sks, sk, r, st] → [sks, sk, r0, addobj(r, class, fis, st)] ,F ,storefuns , ,lookup-rec-01 ]

Additional information

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