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Proof step 4 from proof classof-03 (previous step)

classof(r, class1, st), r ∈ st ⊦ st[r -- _type] .type = mkclasstype(class1), r = jvmref

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ classof(r, class1, st) ↔ r ≠ jvmref ∧ r -- _type ∈ st ∧ st[r -- _type] = typeval(mkclasstype(class1))

Rule argument

[crewrite-arg: classOf, F, [st, class1, r] → [st, class1, r]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ typeval(ty) .type = ty], [CSIMPSEQ : ⊦ mkclasstype(class) = mkclasstype(class0) ↔ class = class0])], [EXTRATERMS : (st, class1, r)]]