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Lhprobe

Lhprobe-p

Recognizer for lhprobe structures.

Signature
(lhprobe-p x) → *

Definitions and Theorems

Function: lhprobe-p

(defun lhprobe-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'lhprobe-p))
    (declare (ignorable __function__))
    (and (consp x)
         (consp (cdr x))
         (b* ((lhs (car x))
              (stage (car (cdr x)))
              (signedp (cdr (cdr x))))
           (and (lhs-p lhs)
                (natp stage)
                (booleanp signedp))))))

Theorem: consp-when-lhprobe-p

(defthm consp-when-lhprobe-p
  (implies (lhprobe-p x) (consp x))
  :rule-classes :compound-recognizer)