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• Duplicate-detect

Vl-duplicate-detect-strip-finals

(vl-duplicate-detect-strip-finals x) maps vl-final-strip across a list.

Signature

(vl-duplicate-detect-strip-finals x) → stripped-x

Arguments

x — Guard (vl-finallist-p x).

Returns

stripped-x — Type (vl-finallist-p stripped-x).

This is an ordinary defprojection.

Definitions and Theorems

Function: vl-duplicate-detect-strip-finals-exec

(defun vl-duplicate-detect-strip-finals-exec (x acc)
  (declare (xargs :guard (vl-finallist-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'vl-duplicate-detect-strip-finals-exec))
    (declare (ignorable __function__))
    (if (consp x)
        (vl-duplicate-detect-strip-finals-exec
             (cdr x)
             (cons (vl-final-strip (car x)) acc))
      acc)))

Function: vl-duplicate-detect-strip-finals-nrev

(defun vl-duplicate-detect-strip-finals-nrev (x nrev)
  (declare (xargs :stobjs (nrev)))
  (declare (xargs :guard (vl-finallist-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'vl-duplicate-detect-strip-finals-nrev))
    (declare (ignorable __function__))
    (if (atom x)
        (nrev-fix nrev)
      (let ((nrev (nrev-push (vl-final-strip (car x))
                             nrev)))
        (vl-duplicate-detect-strip-finals-nrev (cdr x)
                                               nrev)))))

Function: vl-duplicate-detect-strip-finals

(defun vl-duplicate-detect-strip-finals (x)
  (declare (xargs :guard (vl-finallist-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'vl-duplicate-detect-strip-finals))
    (declare (ignorable __function__))
    (mbe :logic
         (if (consp x)
             (cons (vl-final-strip (car x))
                   (vl-duplicate-detect-strip-finals (cdr x)))
           nil)
         :exec
         (if (atom x)
             nil
           (with-local-nrev
                (vl-duplicate-detect-strip-finals-nrev x nrev))))))

Theorem: vl-finallist-p-of-vl-duplicate-detect-strip-finals

(defthm vl-finallist-p-of-vl-duplicate-detect-strip-finals
  (b* ((stripped-x (vl-duplicate-detect-strip-finals x)))
    (vl-finallist-p stripped-x))
  :rule-classes :rewrite)

Theorem: vl-duplicate-detect-strip-finals-of-update-nth

(defthm vl-duplicate-detect-strip-finals-of-update-nth
 (implies
    (<= (nfix acl2::n) (len acl2::x))
    (equal (vl-duplicate-detect-strip-finals
                (update-nth acl2::n acl2::v acl2::x))
           (update-nth acl2::n (vl-final-strip acl2::v)
                       (vl-duplicate-detect-strip-finals acl2::x))))
 :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-of-revappend

(defthm vl-duplicate-detect-strip-finals-of-revappend
 (equal
      (vl-duplicate-detect-strip-finals (revappend acl2::x acl2::y))
      (revappend (vl-duplicate-detect-strip-finals acl2::x)
                 (vl-duplicate-detect-strip-finals acl2::y)))
 :rule-classes ((:rewrite)))

Theorem: nthcdr-of-vl-duplicate-detect-strip-finals

(defthm nthcdr-of-vl-duplicate-detect-strip-finals
 (equal (nthcdr acl2::n
                (vl-duplicate-detect-strip-finals acl2::x))
        (vl-duplicate-detect-strip-finals (nthcdr acl2::n acl2::x)))
 :rule-classes ((:rewrite)))

Theorem: nth-of-vl-duplicate-detect-strip-finals

(defthm nth-of-vl-duplicate-detect-strip-finals
  (equal (nth acl2::n
              (vl-duplicate-detect-strip-finals acl2::x))
         (and (< (nfix acl2::n) (len acl2::x))
              (vl-final-strip (nth acl2::n acl2::x))))
  :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-of-take

(defthm vl-duplicate-detect-strip-finals-of-take
 (implies
    (<= (nfix acl2::n) (len acl2::x))
    (equal (vl-duplicate-detect-strip-finals (take acl2::n acl2::x))
           (take acl2::n
                 (vl-duplicate-detect-strip-finals acl2::x))))
 :rule-classes ((:rewrite)))

Theorem: set-equiv-congruence-over-vl-duplicate-detect-strip-finals

(defthm set-equiv-congruence-over-vl-duplicate-detect-strip-finals
  (implies (set-equiv acl2::x acl2::y)
           (set-equiv (vl-duplicate-detect-strip-finals acl2::x)
                      (vl-duplicate-detect-strip-finals acl2::y)))
  :rule-classes ((:congruence)))

Theorem: subsetp-of-vl-duplicate-detect-strip-finals-when-subsetp

(defthm subsetp-of-vl-duplicate-detect-strip-finals-when-subsetp
  (implies (subsetp acl2::x acl2::y)
           (subsetp (vl-duplicate-detect-strip-finals acl2::x)
                    (vl-duplicate-detect-strip-finals acl2::y)))
  :rule-classes ((:rewrite)))

Theorem: member-of-vl-final-strip-in-vl-duplicate-detect-strip-finals

(defthm member-of-vl-final-strip-in-vl-duplicate-detect-strip-finals
  (implies (member acl2::k acl2::x)
           (member (vl-final-strip acl2::k)
                   (vl-duplicate-detect-strip-finals acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-nrev-removal

(defthm vl-duplicate-detect-strip-finals-nrev-removal
  (equal (vl-duplicate-detect-strip-finals-nrev acl2::x nrev)
         (append nrev
                 (vl-duplicate-detect-strip-finals acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-exec-removal

(defthm vl-duplicate-detect-strip-finals-exec-removal
  (equal (vl-duplicate-detect-strip-finals-exec acl2::x acl2::acc)
         (revappend (vl-duplicate-detect-strip-finals acl2::x)
                    acl2::acc))
  :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-of-rev

(defthm vl-duplicate-detect-strip-finals-of-rev
  (equal (vl-duplicate-detect-strip-finals (rev acl2::x))
         (rev (vl-duplicate-detect-strip-finals acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-of-list-fix

(defthm vl-duplicate-detect-strip-finals-of-list-fix
  (equal (vl-duplicate-detect-strip-finals (list-fix acl2::x))
         (vl-duplicate-detect-strip-finals acl2::x))
  :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-of-append

(defthm vl-duplicate-detect-strip-finals-of-append
  (equal (vl-duplicate-detect-strip-finals (append acl2::a acl2::b))
         (append (vl-duplicate-detect-strip-finals acl2::a)
                 (vl-duplicate-detect-strip-finals acl2::b)))
  :rule-classes ((:rewrite)))

Theorem: cdr-of-vl-duplicate-detect-strip-finals

(defthm cdr-of-vl-duplicate-detect-strip-finals
  (equal (cdr (vl-duplicate-detect-strip-finals acl2::x))
         (vl-duplicate-detect-strip-finals (cdr acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: car-of-vl-duplicate-detect-strip-finals

(defthm car-of-vl-duplicate-detect-strip-finals
  (equal (car (vl-duplicate-detect-strip-finals acl2::x))
         (and (consp acl2::x)
              (vl-final-strip (car acl2::x))))
  :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-under-iff

(defthm vl-duplicate-detect-strip-finals-under-iff
  (iff (vl-duplicate-detect-strip-finals acl2::x)
       (consp acl2::x))
  :rule-classes ((:rewrite)))

Theorem: consp-of-vl-duplicate-detect-strip-finals

(defthm consp-of-vl-duplicate-detect-strip-finals
  (equal (consp (vl-duplicate-detect-strip-finals acl2::x))
         (consp acl2::x))
  :rule-classes ((:rewrite)))

Theorem: len-of-vl-duplicate-detect-strip-finals

(defthm len-of-vl-duplicate-detect-strip-finals
  (equal (len (vl-duplicate-detect-strip-finals acl2::x))
         (len acl2::x))
  :rule-classes ((:rewrite)))

Theorem: true-listp-of-vl-duplicate-detect-strip-finals

(defthm true-listp-of-vl-duplicate-detect-strip-finals
  (true-listp (vl-duplicate-detect-strip-finals acl2::x))
  :rule-classes :type-prescription)

Theorem: vl-duplicate-detect-strip-finals-when-not-consp

(defthm vl-duplicate-detect-strip-finals-when-not-consp
  (implies (not (consp acl2::x))
           (equal (vl-duplicate-detect-strip-finals acl2::x)
                  nil))
  :rule-classes ((:rewrite)))

Theorem: vl-duplicate-detect-strip-finals-of-cons

(defthm vl-duplicate-detect-strip-finals-of-cons
  (equal (vl-duplicate-detect-strip-finals (cons acl2::a acl2::b))
         (cons (vl-final-strip acl2::a)
               (vl-duplicate-detect-strip-finals acl2::b)))
  :rule-classes ((:rewrite)))