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Proof step 1 from proof validfieldinits-one (
previous step
)
⊦ validfieldinits(str, fis, st) ↔ (∀ sk, val. sk × val ∈ fis → is_fskey(sk) ∧ type∃(str, sk .fs .type) ∧ validval(str, val, sk .fs .type, st))
Lemma
validfieldinits-def