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Proof step 27 from proof junkref-addarray-01 (previous step)

newref(r, st), is_classtype(ty), class∃(str, ty .class), junkrefs(str, r ' + refs0, mkarraytype(ty), addarray(r, ty, vals, st)), ∀ val. val ∈ vals → ¬ junkref(str, val .refval, st) ∧ is_referencevalue(val) ∧ (val .refval ≠ jvmref → st[val .refval -- _type] .type ≤ ty) ⊦ r = jvmref, ty = abstract_type, ty = void_type, is_array(r, addarray(r, ty, vals, st)) ∧ type∃(str, ty)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 26:
ty = mkclasstype(class), newref(r, st), is_classtype(ty), class∃(str, class), junkrefs(str, r ' + refs0, mkarraytype(ty), addarray(r, ty, vals, st)), ∀ val. val ∈ vals → ¬ junkref(str, val .refval, st) ∧ is_referencevalue(val) ∧ (val .refval ≠ jvmref → st[val .refval -- _type] .type ≤ ty) ⊦ r = jvmref, ty = abstract_type, ty = void_type, is_array(r, addarray(r, ty, vals, st)) ∧ type∃(str, ty)

Rule argument

[speclemmaarg: ,is_classtype(ty) → (class = ty .class ↔ ty = mkclasstype(class)) ,[ty, class] → [ty, class] ,T ,javatype , ,elim-02 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_classtype(ty) → ( class = ty .class ↔ ty = mkclasstype(class))])], [EXTRATERMS : (ty, class)]]