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Proof step 19 from proof is_valid_ref-putbytearray (previous step)

st[r0 -- _type] .type ≤ ty ⊦ ty = mkclasstype(`java.lang.Object' .class), is_valid_ref(r0, putByteArray(bytes, r, i, st)) ∧ ( class+∃(str, st[r0 -- _type] .type .class) ∧ ¬ is_abstract(st[r0 -- _type] .type .class) ∧ is_obj(r0, st) ∨ is_array(str, r0, putByteArray(bytes, r, i, st))) ↔ is_obj(str, r0, st) ∨ is_array(str, r0, st), is_arraytype(ty)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: okfuns instance-name: lemma-name: is_array-arraytype antecedent: succedent: ¬ is_arraytype(st[r -- _type] .type) → ¬ is_array(str, r, st) substlist: [st, r, str] → [putByteArray(bytes, r, i, st), r0, str] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((1, 0, 1, 1, 0, 1, 1, 1, 1)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (putByteArray(bytes, r, i, st), r0, str)]]