%%
%% The LaTeX Companion, 3ed
%%
%% Example 11-7-7 on page II-199 in "Big-g delimiters".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See
https://www.latex-project.org/lppl.txt for details.
%%
\documentclass{tlc3examargin}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{159.0pt}
% Shorten the vertical size of the example ...
\AtBeginDocument{%
\setlength\abovedisplayskip{.1\abovedisplayskip}%
\setlength\belowdisplayskip{.1\belowdisplayskip}%
}
%StartShownPreambleCommands
\usepackage{amsmath}
%StopShownPreambleCommands
\begin{document}
\[ \biggl( \mathbf{E}_{y} \int_0^{t_\varepsilon}
L_{x, y^x(s)} \varphi(x)\, ds \biggr) \]
\bigskip\Large
\[ \biggl( \mathbf{E}_{y} \int_0^{t_\varepsilon}
L_{x, y^x(s)} \varphi(x)\, ds \biggr) \]
\end{document}
