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Proof step 8 from proof inst-single (previous step)

st[r -- _type] = typeval(mkclasstype(class)), r -- _type ∈ st, r -- sk ∈ st, r ∈ st ⊦ r = jvmref, instore(r, class, (sk × st[r -- sk]) ', st), instore(r, class, [], st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 7:
⊦ instore(r, class, [], st) ↔ r ≠ jvmref ∧ r -- _type ∈ st ∧ st[r -- _type] = typeval(mkclasstype(class))

Rule argument

[crewrite-arg: instore-empty, F, [st, class, r] → [st, class, r]]

Additional information

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