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Theorem is_array-norefval

⊦ ¬ is_referencevalue(st[r -- i ']) ∧ is_reftype(st[r -- _type] .type .type) ∧ 0 ≤ i ∧ i < st[r -- _length] .intval → ¬ is_array(str, r, st)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 12
Used lemmas: oktype-okval, okreftype, okarrayNotNull, okarray-05, is-any-array, is-real-array-def,
Used spec theorems:
- Used simplifier rules: