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%%
%% This is file `prosperdemo.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% texpower-doc.dtx (with options: `prosperdemo')
%%
%% --------------------------------------------------------------
%% TeXPower bundle - dynamic online presentations with LaTeX
%% Copyright (C) 1999-2004 Stephan Lehmke
%% Copyright (C) 2003-2005 Hans Fredrik Nordhaug
%%
%% This program is free software; you can redistribute it and/or
%% modify it under the terms of the GNU General Public License
%% as published by the Free Software Foundation; either version 2
%% of the License, or (at your option) any later version.
%%
%% This program is distributed in the hope that it will be useful,
%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
%% GNU General Public License for more details.
%% --------------------------------------------------------------
%%
%% The list of all files belonging to the TeXPower bundle is
%% given in the file `00readme.txt'.
%%
\ProvidesFile{prosperdemo.tex}%
[2005/04/07 TeXPower example file]
%
\documentclass[pdf,colorBG,slideColor,whitecross]{prosper}
\usepackage[display,oldfiltering]{texpower}
\begin{document}
\ifpdf
No way to compile a prosper document with pdftex!
\else
\stepwise[\boxedsteps]
{%
\begin{slide}{An aligned equation}
\begin{eqnarray}
\step{\sum_{i=1}^{n} i} & \step{=} & \restep{1 + 2 + \cdots + (n-1) + n}\\
%
& \step{=} & \restep{1 + n + 2 + (n-1) + \cdots}\\
%
& \step{=} & \restep
{%
\switch
{%
\vphantom{\underbrace{(1 + n) + \cdots + (1 + n)}_{\times\frac{n}{2}}}%
(1 + n) + \cdots + (1 + n)%
}
{\underbrace{(1 + n) + \cdots + (1 + n)}_{\times\frac{n}{2}}}%
}
\\
%
& \step{=} & \restep{\frac{(1 + n)\step{{}\cdot n}}{\restep{2}}}
\end{eqnarray}
\end{slide}
}
\fi
\end{document}
\endinput
%%
%% End of file `prosperdemo.tex'.
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