From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric S Fraga <e.fraga@ucl.ac.uk>
Subject: Re: Exporting math code containing a cases environment to LaTeX
Date: Sat, 12 Mar 2016 18:16:20 +0000
Message-ID: <87io0rmuiz.fsf@ucl.ac.uk>
References: <1457804962.3605548.547270650.7ABB8973@webmail.messagingengine.com>
Mime-Version: 1.0
Content-Type: text/plain
Return-path: <emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:40728)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <e.fraga@ucl.ac.uk>) id 1aeo5U-0000NW-SB
	for emacs-orgmode@gnu.org; Sat, 12 Mar 2016 13:16:29 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <e.fraga@ucl.ac.uk>) id 1aeo5R-00079L-Ll
	for emacs-orgmode@gnu.org; Sat, 12 Mar 2016 13:16:28 -0500
Received: from mail-db3on0131.outbound.protection.outlook.com
	([157.55.234.131]:4067
	helo=emea01-db3-obe.outbound.protection.outlook.com)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <e.fraga@ucl.ac.uk>) id 1aeo5R-000791-D3
	for emacs-orgmode@gnu.org; Sat, 12 Mar 2016 13:16:25 -0500
In-Reply-To: <1457804962.3605548.547270650.7ABB8973@webmail.messagingengine.com>
	(Francesco Turco's message of "Sat, 12 Mar 2016 18:49:22 +0100")
List-Id: "General discussions about Org-mode." <emacs-orgmode.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-orgmode>
List-Post: <mailto:emacs-orgmode@gnu.org>
List-Help: <mailto:emacs-orgmode-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=subscribe>
Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org
Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org
To: Francesco Turco <fturco@fastmail.fm>
Cc: emacs-orgmode@gnu.org

On Saturday, 12 Mar 2016 at 18:49, Francesco Turco wrote:
> I can fix the problem by replacing \[ and \] with \begin{displaymath}
> end \end{displaymath} respectively:
>
>   \begin{displaymath}  
>   n!=
>   \begin{cases}
>     1 & n=0 \\
>     n(n-1)! & n\ge 1 \\
>   \end{cases}
>   \end{displaymath}
>
> Is this the best way to fix the problem? Am I missing a better solution?

The \[ ... \] construct is only valid, in org, if on a single
line.  Your solution is perfectly valid although, in practice, I would
use equation* instead of displaymath.

Alternatively, you can enclose it all in a export block, as in

#+begin_export latex
\[
...
\]
#+end_export

-- 
: Eric S Fraga (0xFFFCF67D), Emacs 25.0.91.1, Org release_8.3.4-626-gb62d55