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Proof step 17 from proof del-addobj (previous step)

newref(r, st) ⊦ r = jvmref, (r0 -- sk ∈ st → r0 -- sk ∈ addobj(r, class, fis, st) -- r) ∧ (addobj(r, class, fis, st) -- r)[r0 -- sk] = st[r0 -- sk]

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: ,r ≠ r0 → (st -- r)[r0 -- sk0] = st[r0 -- sk0] ,[sk0, r0, r, st] → [sk, r0, r, addobj(r, class, fis, st)] ,F ,storefuns , ,look-del ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r -- sk ∈ st -- r0 ↔ r ≠ r0 ∧ r -- sk ∈ st])], [EXTRATERMS : (sk, r0, r, addobj(r, class, fis, st))]]