Added skeleton for problem set 7.

ps7.tex

@@ -0,0 +1,33 @@
+\documentclass[draft]{article}
+%\usepackage{fullpage}
+%\usepackage{amsmath}
+%\usepackage{amssymb}
+
+% new commands
+\newcommand{\collaborators}[1]{\emph{Collaborators: #1}}
+%\newcommand{\cid}{\overset{c}{\simeq}}
+%\newcommand{\ncid}{\overset{c}{\not\simeq}}
+%% \newcommand{\class}[1]{{\ensuremath{\mathsf{#1}}}}
+%\newcommand{\getr}{\overset{R}{\gets}}
+%\newcommand{\getrn}{\getr\{0, 1\}^n}
+%\newcommand{\getrsingle}{\getr\{0, 1\}}
+%% \newcommand{\getrell}{\getr\{0, 1\}^{\ell(n)}}
+%\newcommand{\getrpoly}{\getrsingle^{poly(n)}}
+%% \newcommand{\NP}{\class{NP}}
+%\newcommand{\mim}{\mathsf{mim}}
+%\newcommand{\msim}{\mathsf{sim}}
+
+% author, date, and title
+\author{Jef{}frey~Finkelstein}
+\date{1 May 2012}
+\title{CS548 problem set 7}
+
+\begin{document}
+\maketitle
+\collaborators{}
+\begin{enumerate}
+\item I don't know.
+\item I don't know.
+\item I don't know.
+\end{enumerate}
+\end{document}