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Elf_bits8

Elf_bits8-p

Recognizer for elf_bits8 bit structures.

Signature
(elf_bits8-p x) → *

Definitions and Theorems

Function: elf_bits8-p

(defun elf_bits8-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'elf_bits8-p))
    (declare (ignorable __function__))
    (mbe :logic (unsigned-byte-p 8 x)
         :exec (and (natp x) (< x 256)))))

Theorem: elf_bits8-p-when-unsigned-byte-p

(defthm elf_bits8-p-when-unsigned-byte-p
  (implies (unsigned-byte-p 8 x)
           (elf_bits8-p x)))

Theorem: unsigned-byte-p-when-elf_bits8-p

(defthm unsigned-byte-p-when-elf_bits8-p
  (implies (elf_bits8-p x)
           (unsigned-byte-p 8 x)))

Theorem: elf_bits8-p-compound-recognizer

(defthm elf_bits8-p-compound-recognizer
  (implies (elf_bits8-p x) (natp x))
  :rule-classes :compound-recognizer)