readtex-analysis.sty

\newcommand{\A}{\mathcal{A}} % Arbitrary sigma-algebra
\newcommand{\B}{\mathscr{B}} % Borel set
\newcommand{\M}{\mathcal{M}} % sigma algebra generated by a set
\newcommand{\Ep}{\mathcal{E}} % Capital `epsilon' representing a set
% that generates a sigma-algebra
\renewcommand{\P}{\mathcal{P}} % Power set
\newcommand{\T}{\mathcal{T}} % Topology
\renewcommand{\d}{\ d} % for dt in integrals