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I have a short question about indexing.

Is it possible that latex automatically creates an entry in the index, when I first use a notation fixed by \newcommand?

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Your question is not very clear. Could you give an example? In general, introducing notation into your publications by \newcommand is a good idea especially because it allows to bind index or glossary entries to it. – Stephan Lehmke Mar 23 '12 at 14:53
Dear S.Lehmke, that is exactly what i intended to do. – user12882 Mar 23 '12 at 16:35

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You can create your own command (called \notation here) to do this.

\documentclass{article}
\usepackage{makeidx}
\usepackage{mathabx} %For the \rip symbol
\newcommand\notation[2]{\newcommand{#1}{#2}{\index{#2}}}
\makeindex
\begin{document}
\notation{\tomb}{$\rip$}
After shooing them, I buried the bodies in a \tomb.
\printindex
\end{document}

Note that this creates the index entry when the command is defined, rather than upon its first use.

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Thank you, though I can not yet upvote;) – user12882 Mar 23 '12 at 16:24
I'd use \newcommand instead of \def. – egreg Mar 23 '12 at 16:51
Sadly, this does not work with amsbook. – user12882 Mar 23 '12 at 16:56
@user12882: for amsbook simply delete (or comment out) the line \usepackage{makeidx}. – Gonzalo Medina Mar 23 '12 at 17:22
No I tried this as well - no error message, but no index in pdf file as well;( – user12882 Mar 23 '12 at 17:26
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