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Svtv-probe

Svtv-probe-p

Recognizer for svtv-probe structures.

Signature
(svtv-probe-p x) → *

Definitions and Theorems

Function: svtv-probe-p

(defun svtv-probe-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'svtv-probe-p))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x) '(signal time)))
              :exec (fty::alist-with-carsp x '(signal time)))
         (b* ((signal (cdr (std::da-nth 0 x)))
              (time (cdr (std::da-nth 1 x))))
           (and (svar-p signal) (natp time))))))

Theorem: consp-when-svtv-probe-p

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