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Fundef-result

Fundef-resultp

Recognizer for fundef-result structures.

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

Definitions and Theorems

Function: fundef-resultp

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

Theorem: consp-when-fundef-resultp

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