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Proof step 12 from proof isvalidref-put-array-badindex (previous step)

i < 0, type∃(str, st[r0 -- _type] .type), is_array(r0, st[r0 -- i ', val]) ⊦ st[r0 -- _type] .type .jtelemtype = abstract_type, st[r0 -- _type] .type .jtelemtype = void_type, is_array(r0, st), class+∃(str, st[r0 -- _type] .type .class) ∧ ¬ is_abstract(st[r0 -- _type] .type .class) ∧ is_obj(r0, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: okfuns instance-name: lemma-name: isarray-put-array-badindex antecedent: succedent: i < 0 → (is_array(r0, st[r -- i ', val]) ↔ is_array(r0, st)) substlist: [val, i, r, st, r0] → [val, i, r0, st, r0] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((0, 0, 2)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (val, i, r0, st, r0)]]