--- a/pnas/preamble.tex Mon Oct 25 14:01:33 2010 -0700
+++ b/pnas/preamble.tex Tue Oct 26 23:47:07 2010 -0700
@@ -48,7 +48,9 @@
\newtheorem{property}{Property}
\newtheorem{prop}{Proposition}
\newtheorem{thm}[prop]{Theorem}
+\newtheorem{lem}[prop]{Lemma}
\newtheorem{defn}[prop]{Definition}
+\newtheorem{axiom}[prop]{Axiom}
\newenvironment{rem}{\noindent\textsl{Remark.}}{}
@@ -76,6 +78,9 @@
\newcommand{\googlebooks}[1]{(preview at \href{http://books.google.com/books?id=#1}{google books})}
+\newcommand{\todo}[1]{\textbf{\color[rgb]{.8,.2,.5}\small TODO: #1}}
+
+
% figures
\newcommand{\mathfig}[2]{\ensuremath{\hspace{-3pt}\begin{array}{c}%