		Search-engine friendly clone of the ACL2 documentation.

Amb?-declon/stmt

Amb?-declon/stmt-p

Recognizer for amb?-declon/stmt structures.

Signature
(amb?-declon/stmt-p x) → *

Definitions and Theorems

Function: amb?-declon/stmt-p

(defun amb?-declon/stmt-p (x)
  (declare (xargs :guard t))
  (and (consp x)
       (cond ((or (atom x) (eq (car x) :declon))
              (and (b* ((declon (cdr x)))
                     (declonp declon))))
             ((eq (car x) :stmt)
              (and (b* ((expr (cdr x))) (exprp expr))))
             (t (and (eq (car x) :ambig)
                     (and)
                     (b* ((declon/stmt (cdr x)))
                       (amb-declon/stmt-p declon/stmt)))))))

Theorem: consp-when-amb?-declon/stmt-p

(defthm consp-when-amb?-declon/stmt-p
  (implies (amb?-declon/stmt-p x)
           (consp x))
  :rule-classes :compound-recognizer)