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    • Cons-list-listp

    Cons-list-listp-basics

    Basic theorems about cons-list-listp, generated by std::deflist.

    Definitions and Theorems

    Theorem: cons-list-listp-of-cons

    (defthm cons-list-listp-of-cons
      (equal (cons-list-listp (cons a x))
             (and (cons-listp a)
                  (cons-list-listp x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-cdr-when-cons-list-listp

    (defthm cons-list-listp-of-cdr-when-cons-list-listp
      (implies (cons-list-listp (double-rewrite x))
               (cons-list-listp (cdr x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-when-not-consp

    (defthm cons-list-listp-when-not-consp
      (implies (not (consp x))
               (cons-list-listp x))
      :rule-classes ((:rewrite)))

    Theorem: cons-listp-of-car-when-cons-list-listp

    (defthm cons-listp-of-car-when-cons-list-listp
      (implies (cons-list-listp x)
               (cons-listp (car x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-append

    (defthm cons-list-listp-of-append
      (equal (cons-list-listp (append a b))
             (and (cons-list-listp a)
                  (cons-list-listp b)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-list-fix

    (defthm cons-list-listp-of-list-fix
      (equal (cons-list-listp (list-fix x))
             (cons-list-listp x))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-sfix

    (defthm cons-list-listp-of-sfix
      (iff (cons-list-listp (set::sfix x))
           (or (cons-list-listp x)
               (not (set::setp x))))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-insert

    (defthm cons-list-listp-of-insert
      (iff (cons-list-listp (set::insert a x))
           (and (cons-list-listp (set::sfix x))
                (cons-listp a)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-delete

    (defthm cons-list-listp-of-delete
      (implies (cons-list-listp x)
               (cons-list-listp (set::delete k x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-mergesort

    (defthm cons-list-listp-of-mergesort
      (iff (cons-list-listp (set::mergesort x))
           (cons-list-listp (list-fix x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-union

    (defthm cons-list-listp-of-union
      (iff (cons-list-listp (set::union x y))
           (and (cons-list-listp (set::sfix x))
                (cons-list-listp (set::sfix y))))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-intersect-1

    (defthm cons-list-listp-of-intersect-1
      (implies (cons-list-listp x)
               (cons-list-listp (set::intersect x y)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-intersect-2

    (defthm cons-list-listp-of-intersect-2
      (implies (cons-list-listp y)
               (cons-list-listp (set::intersect x y)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-difference

    (defthm cons-list-listp-of-difference
      (implies (cons-list-listp x)
               (cons-list-listp (set::difference x y)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-duplicated-members

    (defthm cons-list-listp-of-duplicated-members
      (implies (cons-list-listp x)
               (cons-list-listp (duplicated-members x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-rev

    (defthm cons-list-listp-of-rev
      (equal (cons-list-listp (rev x))
             (cons-list-listp (list-fix x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-rcons

    (defthm cons-list-listp-of-rcons
      (iff (cons-list-listp (rcons a x))
           (and (cons-listp a)
                (cons-list-listp (list-fix x))))
      :rule-classes ((:rewrite)))

    Theorem: cons-listp-when-member-equal-of-cons-list-listp

    (defthm cons-listp-when-member-equal-of-cons-list-listp
      (and (implies (and (member-equal a x)
                         (cons-list-listp x))
                    (cons-listp a))
           (implies (and (cons-list-listp x)
                         (member-equal a x))
                    (cons-listp a)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-when-subsetp-equal

    (defthm cons-list-listp-when-subsetp-equal
      (and (implies (and (subsetp-equal x y)
                         (cons-list-listp y))
                    (cons-list-listp x))
           (implies (and (cons-list-listp y)
                         (subsetp-equal x y))
                    (cons-list-listp x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-set-equiv-congruence

    (defthm cons-list-listp-set-equiv-congruence
      (implies (set-equiv x y)
               (equal (cons-list-listp x)
                      (cons-list-listp y)))
      :rule-classes :congruence)

    Theorem: cons-list-listp-of-set-difference-equal

    (defthm cons-list-listp-of-set-difference-equal
      (implies (cons-list-listp x)
               (cons-list-listp (set-difference-equal x y)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-intersection-equal-1

    (defthm cons-list-listp-of-intersection-equal-1
      (implies (cons-list-listp (double-rewrite x))
               (cons-list-listp (intersection-equal x y)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-intersection-equal-2

    (defthm cons-list-listp-of-intersection-equal-2
      (implies (cons-list-listp (double-rewrite y))
               (cons-list-listp (intersection-equal x y)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-union-equal

    (defthm cons-list-listp-of-union-equal
      (equal (cons-list-listp (union-equal x y))
             (and (cons-list-listp (list-fix x))
                  (cons-list-listp (double-rewrite y))))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-take

    (defthm cons-list-listp-of-take
      (implies (cons-list-listp (double-rewrite x))
               (iff (cons-list-listp (take n x))
                    (or (cons-listp nil)
                        (<= (nfix n) (len x)))))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-repeat

    (defthm cons-list-listp-of-repeat
      (iff (cons-list-listp (repeat n x))
           (or (cons-listp x) (zp n)))
      :rule-classes ((:rewrite)))

    Theorem: cons-listp-of-nth-when-cons-list-listp

    (defthm cons-listp-of-nth-when-cons-list-listp
      (implies (cons-list-listp x)
               (cons-listp (nth n x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-update-nth

    (defthm cons-list-listp-of-update-nth
      (implies (cons-list-listp (double-rewrite x))
               (iff (cons-list-listp (update-nth n y x))
                    (and (cons-listp y)
                         (or (<= (nfix n) (len x))
                             (cons-listp nil)))))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-butlast

    (defthm cons-list-listp-of-butlast
      (implies (cons-list-listp (double-rewrite x))
               (cons-list-listp (butlast x n)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-nthcdr

    (defthm cons-list-listp-of-nthcdr
      (implies (cons-list-listp (double-rewrite x))
               (cons-list-listp (nthcdr n x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-last

    (defthm cons-list-listp-of-last
      (implies (cons-list-listp (double-rewrite x))
               (cons-list-listp (last x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-remove

    (defthm cons-list-listp-of-remove
      (implies (cons-list-listp x)
               (cons-list-listp (remove a x)))
      :rule-classes ((:rewrite)))

    Theorem: cons-list-listp-of-revappend

    (defthm cons-list-listp-of-revappend
      (equal (cons-list-listp (revappend x y))
             (and (cons-list-listp (list-fix x))
                  (cons-list-listp y)))
      :rule-classes ((:rewrite)))