%%%%%%%%% For wordpress conversion \def\more{} \newif\ifblog \newif\iftex \blogfalse \textrue \usepackage{ulem} \def\em{\it} \def\emph#1{\textit{#1}} \def\image#1#2#3{\begin{center}\includegraphics[#1pt]{#3}\end{center}} \let\hrefnosnap=\href \newenvironment{btabular}[1]{\begin{tabular} {#1}}{\end{tabular}} \newenvironment{red}{\color{red}}{} \newenvironment{green}{\color{green}}{} \newenvironment{blue}{\color{blue}}{} %%%%%%%%% Typesetting shortcuts \def\B{\{0,1\}} \def\xor{\oplus} \def\P{{\mathbb P}} \def\E{{\mathbb E}} \def\var{{\bf Var}} \def\N{{\mathbb N}} \def\Z{{\mathbb Z}} \def\R{{\mathbb R}} \def\C{{\mathbb C}} \def\Q{{\mathbb Q}} \def\eps{{\epsilon}} \def\bz{{\bf z}} \def\true{{\tt true}} \def\false{{\tt false}} %%%%%%%%% Theorems and proofs \newtheorem{exercise}{Exercise} \newtheorem{theorem}{Theorem} \newtheorem{lemma}[theorem]{Lemma} \newtheorem{definition}[theorem]{Definition} \newtheorem{corollary}[theorem]{Corollary} \newtheorem{proposition}[theorem]{Proposition} \newtheorem{example}{Example} \newtheorem{remark}[theorem]{Remark} \newenvironment{proof}{\noindent {\sc Proof:}}{$\Box$ \medskip}