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Proof step 157 from proof contains-subspec-better (previous step)

tys + ty0 ' = ty3 ' + tys1, ty3 .jtelemtype ≤ ty .jtelemtype, contains(str0, ty, ty3), ty0 ∈ tys1, ty3 ∈ tys, type∃(str0, ty3), type∃(str, ty0), type∃(str0, ty), contains(str0, ty3 ' + tys1), type∃(str0, ty1), ty1 ≤ ty, is_reftype(ty), type∃(str, ty), same-subclasses(ty .jtelemtype .class, str, str0), has_classtype(ty), type∃(str0, ty0), contains(str0, ty, ty0), has_classtype(ty3), is_classtype(ty1) → ¬ interface∃(str0, ty1 .class) ∧ mkfs(class, ty2, fieldvar) ' ∈ instfields(ty1 .class) ∧ ty3 ≤ ty2, is_arraytype(ty1) → ty3 ≤ ty1 .type, ∀ ty0, str0, str, ty, tys0. # tys0 < # tys → ( has_classtype(ty) ∧ same-subclasses-contains(ty .jtelemtype .class, str, str0) ∧ type∃(str, ty) ∧ contains(str0, ty ' + tys0 + ty0 ') → contains(str, ty, ty0) ∨ dups(tys0) ∨ ty ∈ tys0) ⊦ contains(str0, ty .jtelemtype, ty3 .jtelemtype), ty ∈ tys, dups(tys), contains(str, ty, ty0), tdname+∃(str, ty3 .jtelemtype .class)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: , tdname∃(str0, class) ∧ ¬ tdname∃(str, class) ∧ class ≤ class0 → ¬ same-subclasses(class0, str, str0) ,[str0, class, str, class0] → [str0, ty3 .jtelemtype .class, str, ty .jtelemtype .class] ,F ,junkrefs , ,same-subclasses-tdnameex-05 ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str0, ty3 .jtelemtype .class, str, ty .jtelemtype .class)]]