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Svtv*-input

Svtv*-input-p

Recognizer for svtv*-input structures.

Signature
(svtv*-input-p x) → *

Definitions and Theorems

Function: svtv*-input-p

(defun svtv*-input-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'svtv*-input-p))
    (declare (ignorable __function__))
    (and (true-listp x)
         (eql (len x) 3)
         (b* ((setting (std::da-nth 0 x))
              (toggle (std::da-nth 1 x))
              (hold (std::da-nth 2 x)))
           (and (svtv-entry-p setting)
                (maybe-posp toggle)
                (natp hold))))))

Theorem: consp-when-svtv*-input-p

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