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Bexp

Bexp-kind

Get the kind (tag) of a bexp structure.

Signature
(bexp-kind x) → kind
Arguments: x — Guard (bexpp x).

Definitions and Theorems

Function: bexp-kind$inline

(defun bexp-kind$inline (x)
  (declare (xargs :guard (bexpp x)))
  (let ((__function__ 'bexp-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :const))
                       :const)
                      ((eq (car x) :equal) :equal)
                      ((eq (car x) :less) :less)
                      ((eq (car x) :not) :not)
                      (t :and))
         :exec (car x))))

Theorem: bexp-kind-possibilities

(defthm bexp-kind-possibilities
 (or (equal (bexp-kind x) :const)
     (equal (bexp-kind x) :equal)
     (equal (bexp-kind x) :less)
     (equal (bexp-kind x) :not)
     (equal (bexp-kind x) :and))
 :rule-classes ((:forward-chaining :trigger-terms ((bexp-kind x)))))