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    • Std/alists/abstract

    Keyval-alist-p

    Generic typed list recognizer function.

    Definitions and Theorems

    Function: keyval-alist-p

    (defun keyval-alist-p (x)
      (if (atom x)
          (keyval-alist-final-cdr-p x)
        (and (consp (car x))
             (keytype-p (caar x))
             (valtype-p (cdar x))
             (keyval-alist-p (cdr x)))))

    Theorem: keytype-p-of-caar-when-keyval-alist-p-when-keytype-p-nil

    (defthm keytype-p-of-caar-when-keyval-alist-p-when-keytype-p-nil
      (implies (and (keytype-p nil) (keyval-alist-p x))
               (keytype-p (caar x)))
      :rule-classes :rewrite)

    Theorem: valtype-p-of-cdar-when-keyval-alist-p-when-valtype-p-nil

    (defthm valtype-p-of-cdar-when-keyval-alist-p-when-valtype-p-nil
      (implies (and (valtype-p nil) (keyval-alist-p x))
               (valtype-p (cdar x)))
      :rule-classes :rewrite)

    Theorem: keytype-p-of-caar-when-keyval-alist-p-when-not-keytype-p-nil-and-not-negated

    (defthm
     keytype-p-of-caar-when-keyval-alist-p-when-not-keytype-p-nil-and-not-negated
     (implies (and (not (keytype-p nil))
                   (keyval-alist-p x))
              (iff (keytype-p (caar x)) (consp x)))
     :rule-classes :rewrite)

    Theorem: keytype-p-of-caar-when-keyval-alist-p-when-not-keytype-p-nil-and-negated

    (defthm
     keytype-p-of-caar-when-keyval-alist-p-when-not-keytype-p-nil-and-negated
     (implies (and (not (keytype-p nil))
                   (keyval-alist-p x))
              (iff (non-keytype-p (caar x))
                   (not (consp x))))
     :rule-classes :rewrite)

    Theorem: valtype-p-of-cdar-when-keyval-alist-p-when-not-valtype-p-nil-and-not-negated

    (defthm
     valtype-p-of-cdar-when-keyval-alist-p-when-not-valtype-p-nil-and-not-negated
     (implies (and (not (valtype-p nil))
                   (keyval-alist-p x))
              (iff (valtype-p (cdar x)) (consp x)))
     :rule-classes :rewrite)

    Theorem: valtype-p-of-cdar-when-keyval-alist-p-when-not-valtype-p-nil-and-negated

    (defthm
     valtype-p-of-cdar-when-keyval-alist-p-when-not-valtype-p-nil-and-negated
     (implies (and (not (valtype-p nil))
                   (keyval-alist-p x))
              (iff (non-valtype-p (cdar x))
                   (not (consp x))))
     :rule-classes :rewrite)

    Theorem: keytype-p-of-caar-when-keyval-alist-p-when-unknown-nil

    (defthm keytype-p-of-caar-when-keyval-alist-p-when-unknown-nil
      (implies (keyval-alist-p x)
               (iff (keytype-p (caar x))
                    (or (consp x) (keytype-p nil))))
      :rule-classes :rewrite)

    Theorem: keytype-p-of-caar-when-keyval-alist-p-when-unknown-nil-negated

    (defthm
         keytype-p-of-caar-when-keyval-alist-p-when-unknown-nil-negated
      (implies (keyval-alist-p x)
               (iff (non-keytype-p (caar x))
                    (and (not (consp x))
                         (non-keytype-p nil))))
      :rule-classes :rewrite)

    Theorem: valtype-p-of-cdar-when-keyval-alist-p-when-unknown-nil

    (defthm valtype-p-of-cdar-when-keyval-alist-p-when-unknown-nil
      (implies (keyval-alist-p x)
               (iff (valtype-p (cdar x))
                    (or (consp x) (valtype-p nil))))
      :rule-classes :rewrite)

    Theorem: valtype-p-of-cdar-when-keyval-alist-p-when-unknown-nil-negated

    (defthm
         valtype-p-of-cdar-when-keyval-alist-p-when-unknown-nil-negated
      (implies (keyval-alist-p x)
               (iff (non-valtype-p (cdar x))
                    (and (not (consp x))
                         (non-valtype-p nil))))
      :rule-classes :rewrite)

    Theorem: alistp-when-keyval-alist-p-tau

    (defthm alistp-when-keyval-alist-p-tau
      (implies (and (keyval-alist-p x)
                    (not (keyval-alist-final-cdr-p t)))
               (alistp x))
      :rule-classes nil)

    Theorem: alistp-when-keyval-alist-p-rewrite

    (defthm alistp-when-keyval-alist-p-rewrite
      (implies (and (keyval-alist-p x)
                    (not (keyval-alist-final-cdr-p t)))
               (alistp x))
      :rule-classes :rewrite)

    Theorem: valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-unknown-valtype-p-nil

    (defthm
     valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-unknown-valtype-p-nil
     (implies (keyval-alist-p x)
              (iff (valtype-p (cdr (hons-assoc-equal k x)))
                   (or (hons-assoc-equal k x)
                       (valtype-p nil))))
     :rule-classes :rewrite)

    Theorem: valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-valtype-p-nil

    (defthm
     valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-valtype-p-nil
     (implies (and (keyval-alist-p x) (valtype-p nil))
              (valtype-p (cdr (hons-assoc-equal k x))))
     :rule-classes :rewrite)

    Theorem: valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-not-valtype-p-nil

    (defthm
     valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-not-valtype-p-nil
     (implies (and (keyval-alist-p x)
                   (not (valtype-p nil)))
              (iff (valtype-p (cdr (hons-assoc-equal k x)))
                   (hons-assoc-equal k x)))
     :rule-classes :rewrite)

    Theorem: valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-unknown-valtype-p-nil-negated

    (defthm
     valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-unknown-valtype-p-nil-negated
     (implies (keyval-alist-p x)
              (iff (non-valtype-p (cdr (hons-assoc-equal k x)))
                   (not (or (hons-assoc-equal k x)
                            (valtype-p nil)))))
     :rule-classes :rewrite)

    Theorem: valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-not-valtype-p-nil-negated

    (defthm
     valtype-p-of-cdr-of-hons-assoc-equal-when-keyval-alist-p-not-valtype-p-nil-negated
     (implies (and (keyval-alist-p x)
                   (not (valtype-p nil)))
              (iff (non-valtype-p (cdr (hons-assoc-equal k x)))
                   (not (hons-assoc-equal k x))))
     :rule-classes :rewrite)

    Theorem: keyval-alist-p-of-hons-acons

    (defthm keyval-alist-p-of-hons-acons
      (equal (keyval-alist-p (hons-acons a n x))
             (and (keytype-p a)
                  (valtype-p n)
                  (keyval-alist-p x)))
      :rule-classes :rewrite)

    Theorem: keyval-alist-p-of-hons-shrink-alist

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

    Theorem: keyval-alist-p-of-fast-alist-clean

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

    Theorem: alistp-of-put-assoc

    (defthm alistp-of-put-assoc
      (implies (and (keyval-alist-p x)
                    (not (keyval-alist-final-cdr-p t)))
               (iff (keyval-alist-p (put-assoc-equal name val x))
                    (and (keytype-p name) (valtype-p val))))
      :rule-classes :rewrite)

    Theorem: valtype-p-of-cdr-of-assoc-when-keyval-alist-p-valtype-p-nil

    (defthm valtype-p-of-cdr-of-assoc-when-keyval-alist-p-valtype-p-nil
      (implies (and (keyval-alist-p x) (valtype-p nil))
               (valtype-p (cdr (assoc-equal k x))))
      :rule-classes :rewrite)

    Theorem: alistp-of-remove-assoc

    (defthm alistp-of-remove-assoc
      (implies (keyval-alist-p x)
               (keyval-alist-p (remove-assoc-equal name x)))
      :rule-classes :rewrite)