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Fraig-output-map-entry

Fraig-output-map-entry-p

Recognizer for fraig-output-map-entry structures.

Signature
(fraig-output-map-entry-p x) → *

Definitions and Theorems

Function: fraig-output-map-entry-p

(defun fraig-output-map-entry-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'fraig-output-map-entry-p))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x) '(type count)))
              :exec (fty::alist-with-carsp x '(type count)))
         (b* ((type (cdr (std::da-nth 0 x)))
              (count (cdr (std::da-nth 1 x))))
           (and (fraig-output-type-p type)
                (natp count))))))

Theorem: consp-when-fraig-output-map-entry-p

(defthm consp-when-fraig-output-map-entry-p
  (implies (fraig-output-map-entry-p x)
           (consp x))
  :rule-classes :compound-recognizer)