**************************************************************
Results for Exercise 8.1

Assertion OK:
(= (minimum tree-1) 5)

Assertion OK:
(= (minimum tree-2) 1)


**************************************************************
Results for Exercise 8.2

Assertion OK:
(= (number-of-nodes tree-1) 12)

Assertion OK:
(= (number-of-nodes tree-2) 9)


**************************************************************
Results for Exercise 8.4

Assertion OK:
(equal?
 (inorder tree-1)
 '(5 6 9 11 13 17 18 39 41 52 65 99))

Assertion OK:
(equal? (inorder tree-2) '(1 2 3 4 5 6 7 8 9))


**************************************************************
Results for Exercise 8.5

Assertion OK:
(equal?
 (postorder tree-1)
 '(5 6 17 13 11 39 41 52 99 65 18 9))

Assertion OK:
(equal? (postorder tree-2) '(1 2 3 4 5 6 7 8 9))


**************************************************************
Results for Exercise 8.6

Assertion OK:
(equal?
 (insert
  5
  (insert
   17
   (insert
    39
    (insert
     6
     (insert
      13
      (insert
       41
       (insert
        99
        (insert
         52
         (insert
          11
          (insert
           65
           (insert
            18
            (insert
             9
             (make-empty-tree)))))))))))))
 tree-1)

Assertion OK:
(equal?
 (insert
  17
  (insert
   16
   (insert
    15
    (insert
     14
     (insert
      13
      (insert
       12
       (insert 11 (insert 10 tree-2))))))))
 tree-3)


**************************************************************
Results for Exercise 8.7

Assertion OK:
(equal?
 (list->bstree
  '(5 17 39 6 13 41 99 52 11 65 18 9))
 tree-1)

Assertion OK:
(equal?
 (list->bstree '(1 2 3 4 5 6 7 8 9))
 tree-2)