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Theorem intval-01

⊦ okarray(r, int_type, st) ∧ i < st[r -- _length] .intval ∧ 0 ≤ i → is_integervalue(st[r -- i '])

Type: A user defined theorem
Validity: The proof is valid.
Features: forward, localforward,
Comment:
Used by: comp-same, okarray-int-put-02, okarray-intval,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: oktype-int, okreftype, okarrayNotNull, okarray-05,
Used spec theorems:
- Used simplifier rules: