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Bvar-db-consistency-error

Bvar-db-consistency-error-p

Recognizer for bvar-db-consistency-error structures.

Signature
(bvar-db-consistency-error-p x) → *

Definitions and Theorems

Function: bvar-db-consistency-error-p

(defun bvar-db-consistency-error-p (x)
 (declare (xargs :guard t))
 (let ((__function__ 'bvar-db-consistency-error-p))
  (declare (ignorable __function__))
  (and
   (consp x)
   (cond
    ((or (atom x) (eq (car x) :eval-error))
     (and (std::prod-consp (cdr x))
          (b* ((obj (std::prod-car (cdr x)))
               (acl2::?msg (std::prod-cdr (cdr x))))
            (fgl-object-p obj))))
    (t (and (eq (car x) :inconsistency)
            (and (std::prod-consp (cdr x))
                 (std::prod-consp (std::prod-cdr (cdr x))))
            (b* ((obj (std::prod-car (cdr x)))
                 (?var-val (std::prod-car (std::prod-cdr (cdr x))))
                 (?obj-val (std::prod-cdr (std::prod-cdr (cdr x)))))
              (fgl-object-p obj))))))))

Theorem: consp-when-bvar-db-consistency-error-p

(defthm consp-when-bvar-db-consistency-error-p
  (implies (bvar-db-consistency-error-p x)
           (consp x))
  :rule-classes :compound-recognizer)