Emmanuel,

If the introduction LOOKs just like a normal chapter, then you just do:

* Introduction

In this paper I indend to once and for all solve the problem of [blaaa].

* Chapter One: The Problem
* Chapter Two: Lame Previous Attempts at a Solution
* Chapter Three:  Appproach it Like This
* Chapter Four: The Goods

In other words, if this section is a chapter unto itself, just give it its
own top level heading.  What you then have to pay attention to is the way
the org exports the LaTeX, which you do by adding a configuration to the
org-export-latex-classes list, something like this:

(setq org-export-latex-classes '(("book"
"\\documentclass[11pt]{book}\n\\usepackage[utf8]{inputenc}\n\\usepackage[T1]{fontenc}\n\\usepackage{graphicx}\n\\usepackage{longtable}\n\\usepackage{hyperref}"
  ("\\chapter{%s}" . "\\chapter*{%s}")
  ("\\section{%s}" . "\\section*{%s}")
  ("\\subsection{%s}" . "\\subsection*{%s}")
  ("\\subsubsection{%s}" . "\\subsubsection*{%s}"))))

I'm not sure if this one is useful as it is, so you might want to look at
other (better formatted) examples as well.  But the trick is just to tell
org to assign first level headings to 'chapters'.

Now if you don't want your introduction chapter numbered, that's a slightly
different problem, which I'm not sure I know how to solve.

Hope that gets you started.

Scot



On Fri, Nov 20, 2009 at 1:59 PM, Emmanuel Di Pretoro
<edipretoro@gmail.com>wrote:

> Hi,
>
> I'm currently writing a document with org-mode instead of LaTeX. Usually,
> with LaTeX, the first section of such a document is a
> \chapter*{Introduction} where I explain the context of the document. How can
> I do that with org-mode ?
>
> Thanks in advance,
>
> Emmanuel Di Pretoro
>
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