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Proof step 10 from proof validstatfields-addclass (previous step)

tdname∃(str, class0), mkfs(class0, ty, fieldvar) ' ∈ fis .keys, initdone(class0, addclass(class0, fis, st)), ∀ sk, val. sk × val ∈ fis → is_fskey(sk) ∧ type∃(str, sk .fs .type) ∧ validval(str, val, sk .fs .type, st) ⊦ class0 = `java.lang.Object' .class, ty = void_type, mkfs(class0, ty, fieldvar) ' ∈ fis, jvmref -- mkfs(class0, ty, fieldvar) ' ∈ addclass(class0, fis, st) ∧ okval(st[jvmref -- mkfs(class0, ty, fieldvar) '], ty) ∧ type∃(str, ty) ∧ (is_reftype(ty) → validrefval(str, st[jvmref -- mkfs(class0, ty, fieldvar) '], ty, addclass(class0, fis, st)))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: ,sk ∈ fis .keys ↔ sk ∈ fis ,[fis, sk] → [fis, mkfs(class0, ty, fieldvar) '] ,F ,okfuns , ,keys-in ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (fis, mkfs(class0, ty, fieldvar) ')]]