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Escape-result

Escape-resultp

Recognizer for escape-result structures.

Signature
(escape-resultp acl2::x) → *

Definitions and Theorems

Function: escape-resultp

(defun escape-resultp (acl2::x)
  (declare (xargs :guard t))
  (let ((__function__ 'escape-resultp))
    (declare (ignorable __function__))
    (cond ((escapep acl2::x)
           (b* ((get acl2::x)) (escapep get)))
          (t (b* ((get acl2::x)) (reserrp get))))))

Theorem: consp-when-escape-resultp

(defthm consp-when-escape-resultp
  (implies (escape-resultp acl2::x)
           (consp acl2::x))
  :rule-classes :compound-recognizer)