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Proof step 2 from proof validfieldinits-empty (conclusion)

⊦ validfieldinits(str, [], st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ validfieldinits(str, fis, st) ↔ (∀ sk, val. sk × val ∈ fis → is_fskey(sk) ∧ type∃(str, sk .fs .type) ∧ validval(str, val, sk .fs .type, st))

Rule argument

[crewrite-arg: validfieldinits-def, F, [st, fis, str] → [st, [], str]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ fv ∈ []])], [EXTRATERMS : (st, [], str)]]