 	<a href="http://www.cs.washington.edu/education/courses/322/96w/handout4/handout4.html">Handout 4</a> 	(<a href="http://www.cs.washington.edu/education/courses/322/96w/handout4.tex">LaTeX</a>, <a href="http://www.cs.washington.edu/education/courses/322/96w/handout4.ps">PS</a>) 	<i>proof that the halting problem is undecidable</i>  </ul>
