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\leftline{Mathematics 242 -- Principles of Analysis}
\leftline{Definitions Quiz 2 -- February 7, 2014}
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\leftline{Your Name: $\underline{\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ }$}
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A) (5)  What does the Principle of Mathematical Induction say? (Just give the statement, 
not the proof.)
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B) (5) Express the set $\{|x + 3| \mid x \in (-2,4)\}$ as a union 
of one or more open intervals.
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