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Proof step 2 from proof add-okarray-02 (previous step)

⊦ r = r0, okarray(refval(r), short_type, i, addobj(r0, class1, fis, st)) ↔ okarray(refval(r), short_type, i, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ ¬ is_classtype(ty) ∧ ¬ is_arraytype(ty) ∧ r ≠ r0 → (okarray(refval(r), ty, i, addobj(r0, class1, fis, st)) ↔ okarray(refval(r), ty, i, st))

Rule argument

[crewrite-arg: add-okarray , F , [st, fis, class1, r0, i, ty, r] → [st, fis, class1, r0, i, short_type, r] ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ is_classtype(short_type)], [CSIMPSEQ : ⊦ ¬ is_arraytype(short_type)])], [EXTRATERMS : (st, fis, class1, r0, i, short_type, r)]]