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• Identifier-listp

Identifier-listp-basics

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

Definitions and Theorems

Theorem: identifier-listp-of-cons

(defthm identifier-listp-of-cons
  (equal (identifier-listp (cons acl2::a acl2::x))
         (and (identifierp acl2::a)
              (identifier-listp acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-cdr-when-identifier-listp

(defthm identifier-listp-of-cdr-when-identifier-listp
  (implies (identifier-listp (double-rewrite acl2::x))
           (identifier-listp (cdr acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-when-not-consp

(defthm identifier-listp-when-not-consp
  (implies (not (consp acl2::x))
           (equal (identifier-listp acl2::x)
                  (not acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifierp-of-car-when-identifier-listp

(defthm identifierp-of-car-when-identifier-listp
  (implies (identifier-listp acl2::x)
           (iff (identifierp (car acl2::x))
                (consp acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: true-listp-when-identifier-listp-compound-recognizer

(defthm true-listp-when-identifier-listp-compound-recognizer
  (implies (identifier-listp acl2::x)
           (true-listp acl2::x))
  :rule-classes :compound-recognizer)

Theorem: identifier-listp-of-list-fix

(defthm identifier-listp-of-list-fix
  (implies (identifier-listp acl2::x)
           (identifier-listp (list-fix acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-sfix

(defthm identifier-listp-of-sfix
  (iff (identifier-listp (sfix acl2::x))
       (or (identifier-listp acl2::x)
           (not (setp acl2::x))))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-insert

(defthm identifier-listp-of-insert
  (iff (identifier-listp (insert acl2::a acl2::x))
       (and (identifier-listp (sfix acl2::x))
            (identifierp acl2::a)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-delete

(defthm identifier-listp-of-delete
  (implies (identifier-listp acl2::x)
           (identifier-listp (delete acl2::k acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-mergesort

(defthm identifier-listp-of-mergesort
  (iff (identifier-listp (mergesort acl2::x))
       (identifier-listp (list-fix acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-union

(defthm identifier-listp-of-union
  (iff (identifier-listp (union acl2::x acl2::y))
       (and (identifier-listp (sfix acl2::x))
            (identifier-listp (sfix acl2::y))))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-intersect-1

(defthm identifier-listp-of-intersect-1
  (implies (identifier-listp acl2::x)
           (identifier-listp (intersect acl2::x acl2::y)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-intersect-2

(defthm identifier-listp-of-intersect-2
  (implies (identifier-listp acl2::y)
           (identifier-listp (intersect acl2::x acl2::y)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-difference

(defthm identifier-listp-of-difference
  (implies (identifier-listp acl2::x)
           (identifier-listp (difference acl2::x acl2::y)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-duplicated-members

(defthm identifier-listp-of-duplicated-members
  (implies (identifier-listp acl2::x)
           (identifier-listp (duplicated-members acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-rev

(defthm identifier-listp-of-rev
  (equal (identifier-listp (rev acl2::x))
         (identifier-listp (list-fix acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-append

(defthm identifier-listp-of-append
  (equal (identifier-listp (append acl2::a acl2::b))
         (and (identifier-listp (list-fix acl2::a))
              (identifier-listp acl2::b)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-rcons

(defthm identifier-listp-of-rcons
  (iff (identifier-listp (rcons acl2::a acl2::x))
       (and (identifierp acl2::a)
            (identifier-listp (list-fix acl2::x))))
  :rule-classes ((:rewrite)))

Theorem: identifierp-when-member-equal-of-identifier-listp

(defthm identifierp-when-member-equal-of-identifier-listp
  (and (implies (and (member-equal acl2::a acl2::x)
                     (identifier-listp acl2::x))
                (identifierp acl2::a))
       (implies (and (identifier-listp acl2::x)
                     (member-equal acl2::a acl2::x))
                (identifierp acl2::a)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-when-subsetp-equal

(defthm identifier-listp-when-subsetp-equal
  (and (implies (and (subsetp-equal acl2::x acl2::y)
                     (identifier-listp acl2::y))
                (equal (identifier-listp acl2::x)
                       (true-listp acl2::x)))
       (implies (and (identifier-listp acl2::y)
                     (subsetp-equal acl2::x acl2::y))
                (equal (identifier-listp acl2::x)
                       (true-listp acl2::x))))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-set-difference-equal

(defthm identifier-listp-of-set-difference-equal
 (implies (identifier-listp acl2::x)
          (identifier-listp (set-difference-equal acl2::x acl2::y)))
 :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-intersection-equal-1

(defthm identifier-listp-of-intersection-equal-1
  (implies (identifier-listp (double-rewrite acl2::x))
           (identifier-listp (intersection-equal acl2::x acl2::y)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-intersection-equal-2

(defthm identifier-listp-of-intersection-equal-2
  (implies (identifier-listp (double-rewrite acl2::y))
           (identifier-listp (intersection-equal acl2::x acl2::y)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-union-equal

(defthm identifier-listp-of-union-equal
  (equal (identifier-listp (union-equal acl2::x acl2::y))
         (and (identifier-listp (list-fix acl2::x))
              (identifier-listp (double-rewrite acl2::y))))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-take

(defthm identifier-listp-of-take
  (implies (identifier-listp (double-rewrite acl2::x))
           (iff (identifier-listp (take acl2::n acl2::x))
                (or (identifierp nil)
                    (<= (nfix acl2::n) (len acl2::x)))))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-repeat

(defthm identifier-listp-of-repeat
  (iff (identifier-listp (repeat acl2::n acl2::x))
       (or (identifierp acl2::x) (zp acl2::n)))
  :rule-classes ((:rewrite)))

Theorem: identifierp-of-nth-when-identifier-listp

(defthm identifierp-of-nth-when-identifier-listp
  (implies (identifier-listp acl2::x)
           (iff (identifierp (nth acl2::n acl2::x))
                (< (nfix acl2::n) (len acl2::x))))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-update-nth

(defthm identifier-listp-of-update-nth
  (implies
       (identifier-listp (double-rewrite acl2::x))
       (iff (identifier-listp (update-nth acl2::n acl2::y acl2::x))
            (and (identifierp acl2::y)
                 (or (<= (nfix acl2::n) (len acl2::x))
                     (identifierp nil)))))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-butlast

(defthm identifier-listp-of-butlast
  (implies (identifier-listp (double-rewrite acl2::x))
           (identifier-listp (butlast acl2::x acl2::n)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-nthcdr

(defthm identifier-listp-of-nthcdr
  (implies (identifier-listp (double-rewrite acl2::x))
           (identifier-listp (nthcdr acl2::n acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-last

(defthm identifier-listp-of-last
  (implies (identifier-listp (double-rewrite acl2::x))
           (identifier-listp (last acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-remove

(defthm identifier-listp-of-remove
  (implies (identifier-listp acl2::x)
           (identifier-listp (remove acl2::a acl2::x)))
  :rule-classes ((:rewrite)))

Theorem: identifier-listp-of-revappend

(defthm identifier-listp-of-revappend
  (equal (identifier-listp (revappend acl2::x acl2::y))
         (and (identifier-listp (list-fix acl2::x))
              (identifier-listp acl2::y)))
  :rule-classes ((:rewrite)))