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Proof step 2 from proof validstatfields-put-norefval-field (
previous step
)
⊦ ¬ is_referencevalue(val) ∧ validstatfield(str, sk0, st) ∧ is_fskey(sk) ∧ oktype(val, sk .fs .type, st) ∧ sk .fs .type ≠ void_type ∧ sk ≠ _length → validstatfield(str, sk0, st[r -- sk, val])
Lemma
validstatfield-put-norefval