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Proof step 3 from proof ac-out-01 (previous step)

⊦ class1 = `java.lang.Object' .class, (addclass(class1, fis, st)[jvmref -- mkfs(`java.lang.Object' .class, void_type, `out' .field) ']) = st[jvmref -- mkfs(`java.lang.Object' .class, void_type, `out' .field) ']

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
class1 ≠ class2 ⊦ (addclass(class2, fis, st)[jvmref -- mkfs(class1, ty, fieldvar) ']) = st[jvmref -- mkfs(class1, ty, fieldvar) ']

Rule argument

[crewrite-arg: ac-lookup-02 , F , [fieldvar, ty, class1, st, fis, class2] → [`out' .field, void_type, `java.lang.Object' .class, st, fis, class1] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (`out' .field, void_type, `java.lang.Object' .class, st, fis, class1)]]