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Proof step 25 from proof initsubset-initerror (previous step)

validstatfield(str, sk, st), sk ∈ statfields(class3), tdname∃(str, class3), initdone(class3, st) ⊦ initdone(class, st), validstatfield(str, sk, st[jvmref -- mkfs(class, void_type, `initstate' .field) ', initval(error)])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 12:
⊦ validstatfield(str, sk, st) ↔ is_fskey(sk) ∧ sk ∈ statfields(sk .fs .class) ∧ tdname∃(str, sk .fs .class) ∧ (initdone(sk .fs .class, st) → validfield(str, jvmref, sk, st))
Proof step 24:
validstatfield(str, sk, st), sk ∈ statfields(class3), tdname∃(str, class3), initdone(class3, st) ⊦ initdone(class, st), is_fskey(sk) ∧ sk ∈ statfields(sk .fs .class) ∧ tdname∃(str, sk .fs .class) ∧ ( initdone(sk .fs .class, st[jvmref -- mkfs(class, void_type, `initstate' .field) ', initval(error)]) → validfield(str, jvmref, sk, st[jvmref -- mkfs(class, void_type, `initstate' .field) ', initval(error)]))

Rule argument

[crewrite-arg: validstatfield-storekey-def , F , [st, sk, str] → [st[jvmref -- mkfs(class, void_type, `initstate' .field) ', initval(error)], sk, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st[ jvmref -- mkfs(class, void_type, `initstate' .field) ', initval(error)], sk, str)]]