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Swcase-result

Swcase-resultp

Recognizer for swcase-result structures.

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

Definitions and Theorems

Function: swcase-resultp

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

Theorem: consp-when-swcase-resultp

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