(vl-plainarglist-strip x) → new-x
Function:
(defun vl-plainarglist-strip (x) (declare (xargs :guard (vl-plainarglist-p x))) (let ((__function__ 'vl-plainarglist-strip)) (declare (ignorable __function__)) (b* (((when (atom x)) (b* nil x)) (car (vl-plainarg-strip (car x))) (cdr (vl-plainarglist-strip (cdr x)))) (cons-with-hint car cdr x))))
Theorem:
(defthm vl-plainarglist-p-of-vl-plainarglist-strip (b* ((new-x (vl-plainarglist-strip x))) (vl-plainarglist-p new-x)) :rule-classes :rewrite)
Theorem:
(defthm vl-plainarglist-strip-of-vl-plainarglist-fix-x (equal (vl-plainarglist-strip (vl-plainarglist-fix x)) (vl-plainarglist-strip x)))
Theorem:
(defthm vl-plainarglist-strip-vl-plainarglist-equiv-congruence-on-x (implies (vl-plainarglist-equiv x x-equiv) (equal (vl-plainarglist-strip x) (vl-plainarglist-strip x-equiv))) :rule-classes :congruence)