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Pointed-integers

Sint-read

Representation of a read of a pointed type signed int.

Signature
(sint-read x) → x
Arguments: x — Guard (star (sintp x)).
Returns: x — Type (sintp x).

Definitions and Theorems

Function: sint-read

(defun sint-read (x)
  (declare (xargs :guard (star (sintp x))))
  (let ((__function__ 'sint-read))
    (declare (ignorable __function__))
    (sint-fix x)))

Theorem: sintp-of-sint-read

(defthm sintp-of-sint-read
  (b* ((x (sint-read x))) (sintp x))
  :rule-classes :rewrite)