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Proof step 1 from proof validreflist-getarray-less-03 (
previous step
)
⊦ j + i ≤ st[r -- _length '] .intval ∧ 0 ≤ i ∧ 0 ≤ j ∧ is_reftype(ty) ∧ validrefnotnull(str, r, mkarraytype(ty), st) → validreflist(str, getarray(r, j, i, st), ty, st)
Lemma
validreflist-getarray-less-02