\documentclass[10pt]{article}
\newtheorem{define}{Definition}
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%\usepackage{psfig}

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\begin{document}
\input{preamble.tex}

%{lecture number}{lecture date}{Ronitt Rubinfeld}{Your name}
\lecture{0}{February 5, 2007}{Ronitt Rubinfeld}{Your name here}

%%%% body goes in here %%%%

Blah Blah Blah






\end{document}