Mathematical Thinking: Problem-Solving and Proofs (2nd Edition)

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Homework 18 - MATH 310 0101 - Summer I 2010 - Due by Thursday, July 8 1. Show that the discrete metric is a metric. 2. Show that ( a,b ) is open in R . 3. Show that the union of open sets is open.
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This document was uploaded on 03/25/2011.

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