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Uninterpreted

Uninterpreted-p

Recognizer for uninterpreted structures.

Signature
(uninterpreted-p x) → *

Definitions and Theorems

Function: uninterpreted-p

(defun uninterpreted-p (x)
 (declare (xargs :guard t))
 (let ((acl2::__function__ 'uninterpreted-p))
  (declare (ignorable acl2::__function__))
  (and (mbe :logic (and (alistp x)
                        (equal (strip-cars x)
                               '(returns more-returns)))
            :exec (fty::alist-with-carsp x '(returns more-returns)))
       (b* ((returns (cdr (std::da-nth 0 x)))
            (more-returns (cdr (std::da-nth 1 x))))
         (and (hint-pair-listp returns)
              (hint-pair-listp more-returns))))))

Theorem: consp-when-uninterpreted-p

(defthm consp-when-uninterpreted-p
  (implies (uninterpreted-p x) (consp x))
  :rule-classes :compound-recognizer)