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• Stripping-functions

Vl-maybe-range-strip

Signature

(vl-maybe-range-strip x) → x-strip

Arguments

x — Guard (vl-maybe-range-p x).

Returns

x-strip — Type (vl-maybe-range-p x-strip).

Definitions and Theorems

Function: vl-maybe-range-strip

(defun vl-maybe-range-strip (x)
  (declare (xargs :guard (vl-maybe-range-p x)))
  (let ((__function__ 'vl-maybe-range-strip))
    (declare (ignorable __function__))
    (if x (vl-range-strip x) nil)))

Theorem: vl-maybe-range-p-of-vl-maybe-range-strip

(defthm vl-maybe-range-p-of-vl-maybe-range-strip
  (b* ((x-strip (vl-maybe-range-strip x)))
    (vl-maybe-range-p x-strip))
  :rule-classes :rewrite)

Theorem: vl-maybe-range-strip-of-vl-maybe-range-fix-x

(defthm vl-maybe-range-strip-of-vl-maybe-range-fix-x
  (equal (vl-maybe-range-strip (vl-maybe-range-fix x))
         (vl-maybe-range-strip x)))

Theorem: vl-maybe-range-strip-vl-maybe-range-equiv-congruence-on-x

(defthm vl-maybe-range-strip-vl-maybe-range-equiv-congruence-on-x
  (implies (vl-maybe-range-equiv x x-equiv)
           (equal (vl-maybe-range-strip x)
                  (vl-maybe-range-strip x-equiv)))
  :rule-classes :congruence)