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        • Symbol-symbol-alistp
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        • Symbol-pseudoeventform-alistp
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    • Std/typed-alists

    Symbol-pseudoeventform-alistp

    Recognize alists from symbols to pseudo event forms.

    This is an ordinary std::defalist.

    Function: symbol-pseudoeventform-alistp

    (defun symbol-pseudoeventform-alistp (x)
      (declare (xargs :guard t))
      (if (consp x)
          (and (consp (car x))
               (symbolp (caar x))
               (pseudo-event-formp (cdar x))
               (symbol-pseudoeventform-alistp (cdr x)))
        (null x)))

    Definitions and Theorems

    Function: symbol-pseudoeventform-alistp

    (defun symbol-pseudoeventform-alistp (x)
      (declare (xargs :guard t))
      (if (consp x)
          (and (consp (car x))
               (symbolp (caar x))
               (pseudo-event-formp (cdar x))
               (symbol-pseudoeventform-alistp (cdr x)))
        (null x)))

    Theorem: symbol-pseudoeventform-alistp-of-revappend

    (defthm symbol-pseudoeventform-alistp-of-revappend
      (equal (symbol-pseudoeventform-alistp (revappend x y))
             (and (symbol-pseudoeventform-alistp (list-fix x))
                  (symbol-pseudoeventform-alistp y)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-remove

    (defthm symbol-pseudoeventform-alistp-of-remove
      (implies (symbol-pseudoeventform-alistp x)
               (symbol-pseudoeventform-alistp (remove a x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-last

    (defthm symbol-pseudoeventform-alistp-of-last
      (implies (symbol-pseudoeventform-alistp (double-rewrite x))
               (symbol-pseudoeventform-alistp (last x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-nthcdr

    (defthm symbol-pseudoeventform-alistp-of-nthcdr
      (implies (symbol-pseudoeventform-alistp (double-rewrite x))
               (symbol-pseudoeventform-alistp (nthcdr n x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-butlast

    (defthm symbol-pseudoeventform-alistp-of-butlast
      (implies (symbol-pseudoeventform-alistp (double-rewrite x))
               (symbol-pseudoeventform-alistp (butlast x n)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-update-nth

    (defthm symbol-pseudoeventform-alistp-of-update-nth
      (implies (symbol-pseudoeventform-alistp (double-rewrite x))
               (iff (symbol-pseudoeventform-alistp (update-nth n y x))
                    (and (and (consp y)
                              (symbolp (car y))
                              (pseudo-event-formp (cdr y)))
                         (or (<= (nfix n) (len x))
                             (and (consp nil)
                                  (symbolp (car nil))
                                  (pseudo-event-formp (cdr nil)))))))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-repeat

    (defthm symbol-pseudoeventform-alistp-of-repeat
      (iff (symbol-pseudoeventform-alistp (repeat n x))
           (or (and (consp x)
                    (symbolp (car x))
                    (pseudo-event-formp (cdr x)))
               (zp n)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-take

    (defthm symbol-pseudoeventform-alistp-of-take
      (implies (symbol-pseudoeventform-alistp (double-rewrite x))
               (iff (symbol-pseudoeventform-alistp (take n x))
                    (or (and (consp nil)
                             (symbolp (car nil))
                             (pseudo-event-formp (cdr nil)))
                        (<= (nfix n) (len x)))))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-union-equal

    (defthm symbol-pseudoeventform-alistp-of-union-equal
      (equal (symbol-pseudoeventform-alistp (union-equal x y))
             (and (symbol-pseudoeventform-alistp (list-fix x))
                  (symbol-pseudoeventform-alistp (double-rewrite y))))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-intersection-equal-2

    (defthm symbol-pseudoeventform-alistp-of-intersection-equal-2
      (implies (symbol-pseudoeventform-alistp (double-rewrite y))
               (symbol-pseudoeventform-alistp (intersection-equal x y)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-intersection-equal-1

    (defthm symbol-pseudoeventform-alistp-of-intersection-equal-1
      (implies (symbol-pseudoeventform-alistp (double-rewrite x))
               (symbol-pseudoeventform-alistp (intersection-equal x y)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-set-difference-equal

    (defthm symbol-pseudoeventform-alistp-of-set-difference-equal
      (implies
           (symbol-pseudoeventform-alistp x)
           (symbol-pseudoeventform-alistp (set-difference-equal x y)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-when-subsetp-equal

    (defthm symbol-pseudoeventform-alistp-when-subsetp-equal
      (and (implies (and (subsetp-equal x y)
                         (symbol-pseudoeventform-alistp y))
                    (equal (symbol-pseudoeventform-alistp x)
                           (true-listp x)))
           (implies (and (symbol-pseudoeventform-alistp y)
                         (subsetp-equal x y))
                    (equal (symbol-pseudoeventform-alistp x)
                           (true-listp x))))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-rcons

    (defthm symbol-pseudoeventform-alistp-of-rcons
      (iff (symbol-pseudoeventform-alistp (rcons a x))
           (and (and (consp a)
                     (symbolp (car a))
                     (pseudo-event-formp (cdr a)))
                (symbol-pseudoeventform-alistp (list-fix x))))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-append

    (defthm symbol-pseudoeventform-alistp-of-append
      (equal (symbol-pseudoeventform-alistp (append a b))
             (and (symbol-pseudoeventform-alistp (list-fix a))
                  (symbol-pseudoeventform-alistp b)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-rev

    (defthm symbol-pseudoeventform-alistp-of-rev
      (equal (symbol-pseudoeventform-alistp (rev x))
             (symbol-pseudoeventform-alistp (list-fix x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-duplicated-members

    (defthm symbol-pseudoeventform-alistp-of-duplicated-members
      (implies (symbol-pseudoeventform-alistp x)
               (symbol-pseudoeventform-alistp (duplicated-members x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-difference

    (defthm symbol-pseudoeventform-alistp-of-difference
      (implies (symbol-pseudoeventform-alistp x)
               (symbol-pseudoeventform-alistp (set::difference x y)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-intersect-2

    (defthm symbol-pseudoeventform-alistp-of-intersect-2
      (implies (symbol-pseudoeventform-alistp y)
               (symbol-pseudoeventform-alistp (set::intersect x y)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-intersect-1

    (defthm symbol-pseudoeventform-alistp-of-intersect-1
      (implies (symbol-pseudoeventform-alistp x)
               (symbol-pseudoeventform-alistp (set::intersect x y)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-union

    (defthm symbol-pseudoeventform-alistp-of-union
      (iff (symbol-pseudoeventform-alistp (set::union x y))
           (and (symbol-pseudoeventform-alistp (set::sfix x))
                (symbol-pseudoeventform-alistp (set::sfix y))))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-mergesort

    (defthm symbol-pseudoeventform-alistp-of-mergesort
      (iff (symbol-pseudoeventform-alistp (set::mergesort x))
           (symbol-pseudoeventform-alistp (list-fix x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-delete

    (defthm symbol-pseudoeventform-alistp-of-delete
      (implies (symbol-pseudoeventform-alistp x)
               (symbol-pseudoeventform-alistp (set::delete k x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-insert

    (defthm symbol-pseudoeventform-alistp-of-insert
      (iff (symbol-pseudoeventform-alistp (set::insert a x))
           (and (symbol-pseudoeventform-alistp (set::sfix x))
                (and (consp a)
                     (symbolp (car a))
                     (pseudo-event-formp (cdr a)))))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-sfix

    (defthm symbol-pseudoeventform-alistp-of-sfix
      (iff (symbol-pseudoeventform-alistp (set::sfix x))
           (or (symbol-pseudoeventform-alistp x)
               (not (set::setp x))))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-list-fix

    (defthm symbol-pseudoeventform-alistp-of-list-fix
      (implies (symbol-pseudoeventform-alistp x)
               (symbol-pseudoeventform-alistp (list-fix x)))
      :rule-classes ((:rewrite)))

    Theorem: true-listp-when-symbol-pseudoeventform-alistp-compound-recognizer

    (defthm
      true-listp-when-symbol-pseudoeventform-alistp-compound-recognizer
      (implies (symbol-pseudoeventform-alistp x)
               (true-listp x))
      :rule-classes :compound-recognizer)

    Theorem: symbol-pseudoeventform-alistp-when-not-consp

    (defthm symbol-pseudoeventform-alistp-when-not-consp
      (implies (not (consp x))
               (equal (symbol-pseudoeventform-alistp x)
                      (not x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-cdr-when-symbol-pseudoeventform-alistp

    (defthm
     symbol-pseudoeventform-alistp-of-cdr-when-symbol-pseudoeventform-alistp
     (implies (symbol-pseudoeventform-alistp (double-rewrite x))
              (symbol-pseudoeventform-alistp (cdr x)))
     :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-cons

    (defthm symbol-pseudoeventform-alistp-of-cons
      (equal (symbol-pseudoeventform-alistp (cons a x))
             (and (and (consp a)
                       (symbolp (car a))
                       (pseudo-event-formp (cdr a)))
                  (symbol-pseudoeventform-alistp x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-make-fal

    (defthm symbol-pseudoeventform-alistp-of-make-fal
      (implies (and (symbol-pseudoeventform-alistp x)
                    (symbol-pseudoeventform-alistp y))
               (symbol-pseudoeventform-alistp (make-fal x y)))
      :rule-classes ((:rewrite)))

    Theorem: pseudo-event-formp-of-cdr-when-member-equal-of-symbol-pseudoeventform-alistp

    (defthm
     pseudo-event-formp-of-cdr-when-member-equal-of-symbol-pseudoeventform-alistp
     (and (implies (and (symbol-pseudoeventform-alistp x)
                        (member-equal a x))
                   (pseudo-event-formp (cdr a)))
          (implies (and (member-equal a x)
                        (symbol-pseudoeventform-alistp x))
                   (pseudo-event-formp (cdr a))))
     :rule-classes ((:rewrite)))

    Theorem: symbolp-of-car-when-member-equal-of-symbol-pseudoeventform-alistp

    (defthm
      symbolp-of-car-when-member-equal-of-symbol-pseudoeventform-alistp
      (and (implies (and (symbol-pseudoeventform-alistp x)
                         (member-equal a x))
                    (symbolp (car a)))
           (implies (and (member-equal a x)
                         (symbol-pseudoeventform-alistp x))
                    (symbolp (car a))))
      :rule-classes ((:rewrite)))

    Theorem: consp-when-member-equal-of-symbol-pseudoeventform-alistp

    (defthm consp-when-member-equal-of-symbol-pseudoeventform-alistp
      (implies (and (symbol-pseudoeventform-alistp x)
                    (member-equal a x))
               (consp a))
      :rule-classes
      ((:rewrite :backchain-limit-lst (0 0))
       (:rewrite
            :backchain-limit-lst (0 0)
            :corollary (implies (if (member-equal a x)
                                    (symbol-pseudoeventform-alistp x)
                                  'nil)
                                (consp a)))))

    Theorem: symbol-pseudoeventform-alistp-of-remove-assoc

    (defthm symbol-pseudoeventform-alistp-of-remove-assoc
      (implies
           (symbol-pseudoeventform-alistp x)
           (symbol-pseudoeventform-alistp (remove-assoc-equal name x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-put-assoc

    (defthm symbol-pseudoeventform-alistp-of-put-assoc
     (implies
       (and (symbol-pseudoeventform-alistp x))
       (iff (symbol-pseudoeventform-alistp (put-assoc-equal name val x))
            (and (symbolp name)
                 (pseudo-event-formp val))))
     :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-fast-alist-clean

    (defthm symbol-pseudoeventform-alistp-of-fast-alist-clean
      (implies (symbol-pseudoeventform-alistp x)
               (symbol-pseudoeventform-alistp (fast-alist-clean x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-hons-shrink-alist

    (defthm symbol-pseudoeventform-alistp-of-hons-shrink-alist
      (implies (and (symbol-pseudoeventform-alistp x)
                    (symbol-pseudoeventform-alistp y))
               (symbol-pseudoeventform-alistp (hons-shrink-alist x y)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-of-hons-acons

    (defthm symbol-pseudoeventform-alistp-of-hons-acons
      (equal (symbol-pseudoeventform-alistp (hons-acons a n x))
             (and (symbolp a)
                  (pseudo-event-formp n)
                  (symbol-pseudoeventform-alistp x)))
      :rule-classes ((:rewrite)))

    Theorem: pseudo-event-formp-of-cdr-of-hons-assoc-equal-when-symbol-pseudoeventform-alistp

    (defthm
     pseudo-event-formp-of-cdr-of-hons-assoc-equal-when-symbol-pseudoeventform-alistp
     (implies (symbol-pseudoeventform-alistp x)
              (iff (pseudo-event-formp (cdr (hons-assoc-equal k x)))
                   (hons-assoc-equal k x)))
     :rule-classes ((:rewrite)))

    Theorem: alistp-when-symbol-pseudoeventform-alistp-rewrite

    (defthm alistp-when-symbol-pseudoeventform-alistp-rewrite
      (implies (symbol-pseudoeventform-alistp x)
               (alistp x))
      :rule-classes ((:rewrite)))

    Theorem: alistp-when-symbol-pseudoeventform-alistp

    (defthm alistp-when-symbol-pseudoeventform-alistp
      (implies (symbol-pseudoeventform-alistp x)
               (alistp x))
      :rule-classes :tau-system)

    Theorem: pseudo-event-formp-of-cdar-when-symbol-pseudoeventform-alistp

    (defthm
          pseudo-event-formp-of-cdar-when-symbol-pseudoeventform-alistp
      (implies (symbol-pseudoeventform-alistp x)
               (iff (pseudo-event-formp (cdar x))
                    (consp x)))
      :rule-classes ((:rewrite)))

    Theorem: symbolp-of-caar-when-symbol-pseudoeventform-alistp

    (defthm symbolp-of-caar-when-symbol-pseudoeventform-alistp
      (implies (symbol-pseudoeventform-alistp x)
               (symbolp (caar x)))
      :rule-classes ((:rewrite)))

    Theorem: symbol-pseudoeventform-alistp-alt-def

    (defthm symbol-pseudoeventform-alistp-alt-def
      (equal (symbol-pseudoeventform-alistp alist)
             (and (symbol-alistp alist)
                  (pseudo-event-form-listp (strip-cdrs alist)))))

    Theorem: symbol-pseudoeventform-alistp-of-pairlis$

    (defthm symbol-pseudoeventform-alistp-of-pairlis$
      (implies (and (symbol-listp keys)
                    (pseudo-event-form-listp vals)
                    (equal (len vals) (len keys)))
               (symbol-pseudoeventform-alistp (pairlis$ keys vals))))

    Theorem: pseudo-event-form-listp-of-strip-cdrs-when-symbol-pseudoeventform-alistp

    (defthm
     pseudo-event-form-listp-of-strip-cdrs-when-symbol-pseudoeventform-alistp
     (implies (symbol-pseudoeventform-alistp alist)
              (pseudo-event-form-listp (strip-cdrs alist))))

    Theorem: symbol-alistp-when-symbol-pseudoeventform-alistp

    (defthm symbol-alistp-when-symbol-pseudoeventform-alistp
      (implies (symbol-pseudoeventform-alistp x)
               (symbol-alistp x)))