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Proof step 4 from proof junkref-abstract (previous step)

st[r -- _type] .type = mkarraytype(abstract_type), is_array(str, r, st) ⊦ r = jvmref, junkref(str, r, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: , is_array(str, r, st) ↔ type∃(str, st[r -- _type] .type) ∧ st[r -- _type] .type .jtelemtype ≠ void_type ∧ st[r -- _type] .type .jtelemtype ≠ abstract_type ∧ is_array(r, st) ,[st, r, str] → [st, r, str] ,F ,okfuns , ,is-real-array-def ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkarraytype(ty) .jtelemtype = ty .jtelemtype], [CSIMPSEQ : ⊦ abstract_type .jtelemtype = abstract_type], [CSIMPSEQ : ⊦ void_type ≠ abstract_type])], [EXTRATERMS : (st, r, str)]]