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Proof step 7 from proof okclass-init (previous step)

st[r0 -- _type] = typeval(mkclasstype(class1)), r0 ∈ st, r0 -- _type ∈ st ⊦ r = r0, r0 = jvmref, reftypep(refval(r0), addarray(r, ty, vals, st))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 5:
⊦ reftypep(val, st) ↔ is_referencevalue(val) ∧ (val .refval = jvmref ∨ val .refval ∈ st)
Proof step 6:
⊦ r ≠ r0 → (r ∈ addarray(r0, ty0, vals, st) ↔ r ∈ st)

Rule argument

[speclemmaarg: , reftypep(val, st) ↔ is_referencevalue(val) ∧ (val .refval = jvmref ∨ val .refval ∈ st) ,[st, val] → [addarray(r, ty, vals, st), refval(r0)] ,F ,storefunsx , ,reftypep ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(refval(r))], [CSIMPSEQ : ⊦ refval(r) .refval = r])], [EXTRATERMS : (addarray(r, ty, vals, st), refval(r0))]]