%%
%% The LaTeX Companion, 3ed
%%
%% Example 11-6-1 on page II-192 in "The \protect \nxLcs  {text} command".
%%
%% 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{183.0pt}

%StartShownPreambleCommands
\usepackage{amsmath}
%StopShownPreambleCommands

\begin{document}
Some text outside the formula \ldots
\begin{multline*}
  \text{Also, if } \Delta_{\text{max up}}
   \geq \Delta_{\text{min down}} + \epsilon \\
  \text{(for all ups and downs) then}       \\
  \Delta_\textsf{sum of ups}
             > \Delta_{\textsf{sum of downs}}
\end{multline*}
\end{document}