MATH 3210 § 2 FIFTH HOMEWORK ASSIGNMENT  Due Friday,
A. Treibergs    October 1, 2004


  1. Please hand in the following exercises from the text "An Introduction to Analysis, Third Edition" by William Wade, Prentice Hall, 2004.
  2. Please do the following additional exercises.
    1. Construct an explicit bijection  f: N ---> Z3.
    2. Show that  Zn  is countable for all natural numbers n.