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

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1. Please hand in the following exercises from the text "An Introduction to Analysis, Third Edition" by William Wade, Prentice Hall, 2004.
• 34 [ 10, 11 ]
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.

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