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Theorem validref-isarrayref

⊦ ¬ is_arrayref(r, i, st) ∧ i ≤ st[r -- _length] .intval ∧ r ≠ jvmref → ¬ validref(str, r, mkarraytype(ty), st)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: validrefnotnull-getarray-subset,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 7
Used lemmas: validref-is-junk,
Used spec theorems:
- addfuns/is-valid-ref-stronger-def
Used simplifier rules: