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Driver

Driver-p

Recognizer for driver structures.

Signature
(driver-p x) → *

Definitions and Theorems

Function: driver-p

(defun driver-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'driver-p))
    (declare (ignorable __function__))
    (and (std::prod-consp x)
         (b* ((value (std::prod-car x))
              (strength (std::prod-cdr x)))
           (and (svex-p value) (natp strength))))))

Theorem: consp-when-driver-p

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