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Proof step 4 from proof validstatfields-throw-predef (previous step)

validstatfields(str, sks, st), is_predefined_class(class), newref(r, st) ⊦ r = jvmref, validstatfields(str, sks, addobj(r, class, [], st)), mkfs(`java.lang.Object' .class, void_type, `mode' .field) ' ∈ sks

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ validstatfields(str, sks, st) ∧ newref(r, st) → validstatfields(str, sks, addobj(r, class, fis, st))

Rule argument

[crewrite-arg: validstatfields-addobj , F , [st, fis, class, r, sks, str] → [st, [], class, r, sks, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, [], class, r, sks, str)]]