Location            Correction
--------            ----------
page 11, Line 4     "cummutative" SHOULD BE "commutative"
page 81             Replace Exercise 25.5(c), which is defective, with
                    25.5(a), except that n-1 is changed to n and the last
                    occurence of n is changed to n+1.
page 83, line 8     "position" SHOULD BE "positive"
page 103, line 13   "30.1" SHOULD BE "30.2"
page 104, Line 1    |x-1| SHOULD BE |x-2|
page 116, Line 10 from bottom
                    "d(x,y) < delta" SHOULD BE "0 < d(x,a) < delta"