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Proof step 31 from proof validstatfield-subspec-samesubclasses (previous step)

sk .fs = mkfs(class, ty, fieldvar), tdname∃(str, class), type∃(str, ty), same-subclasses-contains(ty .jtelemtype .class, str, str0), validstatfield(str0, sk, st) ⊦ validstatfield(str, sk, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ 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 30:
sk .fs = mkfs(class, ty, fieldvar), tdname∃(str, class), type∃(str, ty), same-subclasses-contains(ty .jtelemtype .class, str, str0), validstatfield(str0, 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))

Rule argument

[speclemmaarg: , 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)) ,[st, sk, str] → [st, sk, str] ,F ,junkrefs , ,validstatfield-storekey-def ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, sk, str)]]