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\leftline{Mathematics 244 -- Linear Algebra}
\leftline{Definitions Quiz 8 -- April 16, 2004}
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\leftline{Your Name: $\underline{\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ }$}
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Do all your work on this sheet.  You have 5 minutes.
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Give the definition of the following term:  A linear
mapping $T: V \to W$ is an {\bf isomorphism}.
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