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• 4vmask-alist

4vmask-alist-p

Recognizer for 4vmask-alist.

Signature

(4vmask-alist-p x) → *

Definitions and Theorems

Function: 4vmask-alist-p

(defun 4vmask-alist-p (x)
  (declare (xargs :guard t))
  (let ((__function__ '4vmask-alist-p))
    (declare (ignorable __function__))
    (if (atom x)
        (eq x nil)
      (and (consp (car x))
           (svar-p (caar x))
           (4vmask-p (cdar x))
           (4vmask-alist-p (cdr x))))))

Theorem: 4vmask-alist-p-of-repeat

(defthm 4vmask-alist-p-of-repeat
  (iff (4vmask-alist-p (repeat acl2::n x))
       (or (and (consp x)
                (svar-p (car x))
                (4vmask-p (cdr x)))
           (zp acl2::n)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-rev

(defthm 4vmask-alist-p-of-rev
  (equal (4vmask-alist-p (rev x))
         (4vmask-alist-p (list-fix x)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-list-fix

(defthm 4vmask-alist-p-of-list-fix
  (implies (4vmask-alist-p x)
           (4vmask-alist-p (list-fix x)))
  :rule-classes ((:rewrite)))

Theorem: true-listp-when-4vmask-alist-p-compound-recognizer

(defthm true-listp-when-4vmask-alist-p-compound-recognizer
  (implies (4vmask-alist-p x)
           (true-listp x))
  :rule-classes :compound-recognizer)

Theorem: 4vmask-alist-p-when-not-consp

(defthm 4vmask-alist-p-when-not-consp
  (implies (not (consp x))
           (equal (4vmask-alist-p x) (not x)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-cdr-when-4vmask-alist-p

(defthm 4vmask-alist-p-of-cdr-when-4vmask-alist-p
  (implies (4vmask-alist-p (double-rewrite x))
           (4vmask-alist-p (cdr x)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-cons

(defthm 4vmask-alist-p-of-cons
  (equal (4vmask-alist-p (cons acl2::a x))
         (and (and (consp acl2::a)
                   (svar-p (car acl2::a))
                   (4vmask-p (cdr acl2::a)))
              (4vmask-alist-p x)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-remove-assoc

(defthm 4vmask-alist-p-of-remove-assoc
  (implies (4vmask-alist-p x)
           (4vmask-alist-p (remove-assoc-equal acl2::name x)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-put-assoc

(defthm 4vmask-alist-p-of-put-assoc
 (implies
      (and (4vmask-alist-p x))
      (iff (4vmask-alist-p (put-assoc-equal acl2::name acl2::val x))
           (and (svar-p acl2::name)
                (4vmask-p acl2::val))))
 :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-fast-alist-clean

(defthm 4vmask-alist-p-of-fast-alist-clean
  (implies (4vmask-alist-p x)
           (4vmask-alist-p (fast-alist-clean x)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-hons-shrink-alist

(defthm 4vmask-alist-p-of-hons-shrink-alist
  (implies (and (4vmask-alist-p x)
                (4vmask-alist-p y))
           (4vmask-alist-p (hons-shrink-alist x y)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-alist-p-of-hons-acons

(defthm 4vmask-alist-p-of-hons-acons
  (equal (4vmask-alist-p (hons-acons acl2::a acl2::n x))
         (and (svar-p acl2::a)
              (4vmask-p acl2::n)
              (4vmask-alist-p x)))
  :rule-classes ((:rewrite)))

Theorem: 4vmask-p-of-cdr-of-hons-assoc-equal-when-4vmask-alist-p

(defthm 4vmask-p-of-cdr-of-hons-assoc-equal-when-4vmask-alist-p
  (implies (4vmask-alist-p x)
           (iff (4vmask-p (cdr (hons-assoc-equal acl2::k x)))
                (or (hons-assoc-equal acl2::k x)
                    (4vmask-p nil))))
  :rule-classes ((:rewrite)))

Theorem: alistp-when-4vmask-alist-p-rewrite

(defthm alistp-when-4vmask-alist-p-rewrite
  (implies (4vmask-alist-p x) (alistp x))
  :rule-classes ((:rewrite)))

Theorem: alistp-when-4vmask-alist-p

(defthm alistp-when-4vmask-alist-p
  (implies (4vmask-alist-p x) (alistp x))
  :rule-classes :tau-system)

Theorem: 4vmask-p-of-cdar-when-4vmask-alist-p

(defthm 4vmask-p-of-cdar-when-4vmask-alist-p
  (implies (4vmask-alist-p x)
           (iff (4vmask-p (cdar x))
                (or (consp x) (4vmask-p nil))))
  :rule-classes ((:rewrite)))

Theorem: svar-p-of-caar-when-4vmask-alist-p

(defthm svar-p-of-caar-when-4vmask-alist-p
  (implies (4vmask-alist-p x)
           (iff (svar-p (caar x))
                (or (consp x) (svar-p nil))))
  :rule-classes ((:rewrite)))