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      • Nonempty-string-listp

      Nonempty-string-listp-basics

      Basic theorems about nonempty-string-listp, generated by std::deflist.

      Definitions and Theorems

      Theorem: nonempty-string-listp-of-cons

      (defthm nonempty-string-listp-of-cons
        (equal (nonempty-string-listp (cons a x))
               (and (nonempty-stringp a)
                    (nonempty-string-listp x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-cdr-when-nonempty-string-listp

      (defthm nonempty-string-listp-of-cdr-when-nonempty-string-listp
        (implies (nonempty-string-listp (double-rewrite x))
                 (nonempty-string-listp (cdr x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-when-not-consp

      (defthm nonempty-string-listp-when-not-consp
        (implies (not (consp x))
                 (equal (nonempty-string-listp x)
                        (not x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-stringp-of-car-when-nonempty-string-listp

      (defthm nonempty-stringp-of-car-when-nonempty-string-listp
        (implies (nonempty-string-listp x)
                 (iff (nonempty-stringp (car x))
                      (consp x)))
        :rule-classes ((:rewrite)))

      Theorem: true-listp-when-nonempty-string-listp-compound-recognizer

      (defthm true-listp-when-nonempty-string-listp-compound-recognizer
        (implies (nonempty-string-listp x)
                 (true-listp x))
        :rule-classes :compound-recognizer)

      Theorem: nonempty-string-listp-of-list-fix

      (defthm nonempty-string-listp-of-list-fix
        (implies (nonempty-string-listp x)
                 (nonempty-string-listp (list-fix x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-sfix

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

      Theorem: nonempty-string-listp-of-insert

      (defthm nonempty-string-listp-of-insert
        (iff (nonempty-string-listp (set::insert a x))
             (and (nonempty-string-listp (set::sfix x))
                  (nonempty-stringp a)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-delete

      (defthm nonempty-string-listp-of-delete
        (implies (nonempty-string-listp x)
                 (nonempty-string-listp (set::delete k x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-mergesort

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

      Theorem: nonempty-string-listp-of-union

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

      Theorem: nonempty-string-listp-of-intersect-1

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

      Theorem: nonempty-string-listp-of-intersect-2

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

      Theorem: nonempty-string-listp-of-difference

      (defthm nonempty-string-listp-of-difference
        (implies (nonempty-string-listp x)
                 (nonempty-string-listp (set::difference x y)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-duplicated-members

      (defthm nonempty-string-listp-of-duplicated-members
        (implies (nonempty-string-listp x)
                 (nonempty-string-listp (duplicated-members x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-rev

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

      Theorem: nonempty-string-listp-of-append

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

      Theorem: nonempty-string-listp-of-rcons

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

      Theorem: nonempty-stringp-when-member-equal-of-nonempty-string-listp

      (defthm nonempty-stringp-when-member-equal-of-nonempty-string-listp
        (and (implies (and (member-equal a x)
                           (nonempty-string-listp x))
                      (nonempty-stringp a))
             (implies (and (nonempty-string-listp x)
                           (member-equal a x))
                      (nonempty-stringp a)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-when-subsetp-equal

      (defthm nonempty-string-listp-when-subsetp-equal
        (and (implies (and (subsetp-equal x y)
                           (nonempty-string-listp y))
                      (equal (nonempty-string-listp x)
                             (true-listp x)))
             (implies (and (nonempty-string-listp y)
                           (subsetp-equal x y))
                      (equal (nonempty-string-listp x)
                             (true-listp x))))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-set-difference-equal

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

      Theorem: nonempty-string-listp-of-intersection-equal-1

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

      Theorem: nonempty-string-listp-of-intersection-equal-2

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

      Theorem: nonempty-string-listp-of-union-equal

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

      Theorem: nonempty-string-listp-of-take

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

      Theorem: nonempty-string-listp-of-repeat

      (defthm nonempty-string-listp-of-repeat
        (iff (nonempty-string-listp (repeat n x))
             (or (nonempty-stringp x) (zp n)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-stringp-of-nth-when-nonempty-string-listp

      (defthm nonempty-stringp-of-nth-when-nonempty-string-listp
        (implies (nonempty-string-listp x)
                 (iff (nonempty-stringp (nth n x))
                      (< (nfix n) (len x))))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-update-nth

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

      Theorem: nonempty-string-listp-of-butlast

      (defthm nonempty-string-listp-of-butlast
        (implies (nonempty-string-listp (double-rewrite x))
                 (nonempty-string-listp (butlast x n)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-nthcdr

      (defthm nonempty-string-listp-of-nthcdr
        (implies (nonempty-string-listp (double-rewrite x))
                 (nonempty-string-listp (nthcdr n x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-last

      (defthm nonempty-string-listp-of-last
        (implies (nonempty-string-listp (double-rewrite x))
                 (nonempty-string-listp (last x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-remove

      (defthm nonempty-string-listp-of-remove
        (implies (nonempty-string-listp x)
                 (nonempty-string-listp (remove a x)))
        :rule-classes ((:rewrite)))

      Theorem: nonempty-string-listp-of-revappend

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