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Theorem addobj-isarray

⊦ r ≠ r0 → (is_array(r, addobj(r0, class, fis, st)) ↔ is_array(r, st))

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 5
Used lemmas: addobj-okarray, add-ref, add-in-04,
Used spec theorems:
- okfuns/is-any-array
Used simplifier rules: