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\leftline{Mathematics 242 -- Principles of Analysis}
\leftline{Definitions Quiz 4 -- October 8, 2004}
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\leftline{Your Name: $\underline{\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ }$}
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\item{1.} (20) What does it mean to say a real number $s$ is
the {\it supremum} (or least upper bound) of a set $S$.
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\item{2.} (5) What is the supremum of the set $S = \{2 - 1/n : n \in {\bf N}\}$.
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