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• Tree-result

Tree-resultp

Recognizer for tree-result structures.

Signature

(tree-resultp acl2::x) → *

Definitions and Theorems

Function: tree-resultp

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

Theorem: consp-when-tree-resultp

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