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Proof step 5 from proof validstatfields-void (previous step)

mkfs(class, void_type, fieldvar) ' ∈ sks, validstatfields(str, sks, st) ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ validstatfields(str, sks, st) ↔ (∀ sk. sk ∈ sks → validstatfield(str, sk, st))
Proof step 4:
mkfs(class, void_type, fieldvar) ' ∈ sks, ∀ sk. sk ∈ sks → validstatfield(str, sk, st) ⊦

Rule argument

[crewrite-arg: validstatfields-storekeys-def , F , [st, sks, str] → [st, sks, str] ]

Additional information

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