		Search-engine friendly clone of the ACL2 documentation.

Evex-byte1

Evex-byte1-p

Recognizer for evex-byte1 bit structures.

Signature
(evex-byte1-p byte1) → *

Definitions and Theorems

Function: evex-byte1-p$inline

(defun evex-byte1-p$inline (byte1)
  (declare (xargs :guard t))
  (mbe :logic (unsigned-byte-p 8 byte1)
       :exec (and (natp byte1) (< byte1 256))))

Theorem: evex-byte1-p-when-unsigned-byte-p

(defthm evex-byte1-p-when-unsigned-byte-p
  (implies (unsigned-byte-p 8 byte1)
           (evex-byte1-p byte1)))

Theorem: unsigned-byte-p-when-evex-byte1-p

(defthm unsigned-byte-p-when-evex-byte1-p
  (implies (evex-byte1-p byte1)
           (unsigned-byte-p 8 byte1)))

Theorem: evex-byte1-p-compound-recognizer

(defthm evex-byte1-p-compound-recognizer
  (implies (evex-byte1-p byte1)
           (natp byte1))
  :rule-classes :compound-recognizer)