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Proof step 4 from proof validstatfield-addobj (previous step)

newref(r, st), tdname∃(str, class0), mkfs(class0, ty, fieldvar) ' ∈ statfields(class0), initdone(class0, st), validfield(str, jvmref, mkfs(class0, ty, fieldvar) ', st) ⊦ r = jvmref, validfield(str, jvmref, mkfs(class0, ty, fieldvar) ', addobj(r, class, fis, st))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[crewrite-arg: validfield-superset , F , [str, r, sk, st, st0] → [str, jvmref, mkfs(class0, ty, fieldvar) ', st, addobj(r, class, fis, st)] ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ newref(r, st) → ( st ⊆ addobj(r, class1, fis, st0) ↔ st ⊆ st0)], [CSIMPSEQ : ⊦ st ⊆ st])], [EXTRATERMS : (str, jvmref, mkfs(class0, ty, fieldvar) ', st, addobj(r, class, fis, st))]]