
     % overlays1.tex
     \documentclass[pdf,pascal,slideColor,colorBG]{prosper}
     \begin{document}

     \overlays{5}{%
     \begin{slide}{Outline of the talk}

     \begin{itemstep}
             \item Introduction
             \item Statement of the main theorem
             \item Technical lemmata
             \item Proof of the main theorem
             \item Conclusions
     \end{itemstep}

     \end{slide}
     }  % closing brace of \overlays

     \end{document}
