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Theorem isarray-addarray-01

⊦ r1 ≠ r0 → (is_array(r1, addarray(r0, ty, vals, st)) ↔ is_array(r1, st))

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 16
Used lemmas: is_array-init, okreftype-init, in-1init, lookup-1init, in-init-01, isarray-addarray-other,
Used spec theorems:
- okfuns/is-any-array
- okfuns/okarrayNotNull
Used simplifier rules: