--- a/pnas/preamble.tex Mon Oct 25 13:08:15 2010 -0700
+++ b/pnas/preamble.tex Mon Oct 25 13:36:12 2010 -0700
@@ -48,6 +48,7 @@
\newtheorem{property}{Property}
\newtheorem{prop}{Proposition}
\newtheorem{thm}[prop]{Theorem}
+\newtheorem{defn}[prop]{Definition}
\newenvironment{rem}{\noindent\textsl{Remark.}}{}
@@ -75,6 +76,12 @@
\newcommand{\googlebooks}[1]{(preview at \href{http://books.google.com/books?id=#1}{google books})}
+% figures
+
+\newcommand{\mathfig}[2]{\ensuremath{\hspace{-3pt}\begin{array}{c}%
+ \raisebox{-2.5pt}{\includegraphics[width=#1\textwidth]{diagrams/#2}}%
+\end{array}\hspace{-3pt}}}
+
% packages