From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric S Fraga <e.fraga@ucl.ac.uk>
Subject: Re: LaTeX equation align in orgmode?
Date: Tue, 29 Sep 2015 08:38:54 +0100
Message-ID: <878u7pk73l.fsf@delle7240.chemeng.ucl.ac.uk>
References: <m2oagm4ax8.fsf@krugs.de>
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In-Reply-To: <m2oagm4ax8.fsf@krugs.de> (Rainer M. Krug's message of "Mon, 28
	Sep 2015 21:10:43 +0200")
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To: Rainer M Krug <Rainer@krugs.de>
Cc: emacs-orgmode@gnu.org

On Monday, 28 Sep 2015 at 21:10, Rainer M Krug wrote:
> Hi
>
> I would need in a document several equations which are aligned as in 
> http://tex.stackexchange.com/a/167908/6941

I use align all the time.

> How can I use the following latex formula in orgmode?
>
> \begin{proof} The proof is a follows: 
> \begin{align}
> (x+y)^3&=(x+y)(x+y)^2\\
>        &=(x+y)(x^2+2xy+y^2)\\
>        &=x^3+3x^2y+3xy^3+x^3.\qedhere
> \end{align}
> \end{proof}

Where is proof defined? You may need to add specific packages to
org-latex-packages-alist.

In any case, I find that it is safer generally to enclose all LaTeX
fragments in a LaTeX block: #+begin_latex ... #+end_latex.

-- 
: Eric S Fraga (0xFFFCF67D), Emacs 24.5.1, Org release_8.3.1-203-g4ca3d3