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Vector-access-type-p

Signature

(vector-access-type-p x) → ok?

Returns

ok? — Type (booleanp ok?).

Definitions and Theorems

Function: vector-access-type-p

(defun vector-access-type-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vector-access-type-p))
    (declare (ignorable __function__))
    (or (equal x 1)
        (equal x 2)
        (equal x 3)
        (equal x 4))))

Theorem: booleanp-of-vector-access-type-p

(defthm booleanp-of-vector-access-type-p
  (b* ((ok? (vector-access-type-p x)))
    (booleanp ok?))
  :rule-classes :type-prescription)