		Search-engine friendly clone of the ACL2 documentation.

Call-gate-descriptorbits

Call-gate-descriptorbits-p

Recognizer for call-gate-descriptorbits bit structures.

Signature
(call-gate-descriptorbits-p x) → *

Definitions and Theorems

Function: call-gate-descriptorbits-p

(defun call-gate-descriptorbits-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'call-gate-descriptorbits-p))
    (declare (ignorable __function__))
    (mbe :logic (unsigned-byte-p 128 x)
         :exec (and (natp x)
                    (< x
                       340282366920938463463374607431768211456)))))

Theorem: call-gate-descriptorbits-p-when-unsigned-byte-p

(defthm call-gate-descriptorbits-p-when-unsigned-byte-p
  (implies (unsigned-byte-p 128 x)
           (call-gate-descriptorbits-p x)))

Theorem: unsigned-byte-p-when-call-gate-descriptorbits-p

(defthm unsigned-byte-p-when-call-gate-descriptorbits-p
  (implies (call-gate-descriptorbits-p x)
           (unsigned-byte-p 128 x)))

Theorem: call-gate-descriptorbits-p-compound-recognizer

(defthm call-gate-descriptorbits-p-compound-recognizer
  (implies (call-gate-descriptorbits-p x)
           (natp x))
  :rule-classes :compound-recognizer)