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Cgraph-derivstate

Cgraph-derivstate-p

Recognizer for cgraph-derivstate structures.

Signature
(cgraph-derivstate-p x) → *

Definitions and Theorems

Function: cgraph-derivstate-p

(defun cgraph-derivstate-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'cgraph-derivstate-p))
    (declare (ignorable __function__))
    (and (std::prod-consp x)
         (b* ((times-seen (std::prod-car x))
              (?result-msg (std::prod-cdr x)))
           (natp times-seen)))))

Theorem: consp-when-cgraph-derivstate-p

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