Page Layout ⇒ Toc - add text to the table of contents

[Zetison]

I want to make a table of contents which is similar to the one on this page: https://wiki.math.ntnu.no/users/ehrnstr ... earmethods.

So when I write

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\section{Sets}

I want the toc to include the text as if I was writing

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\section{Sets: Basic definition and examples}

But I obviously don't want the text ": Basic definition and examples" to appear as a section title in the document. Can this be done?

[Johannes_B]

You could do something like this.

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\documentclass[12pt]{article}
\begin{document}
\tableofcontents
\section[Sets: Basic definition and examples]{Sets}
\end{document}

If this is a good choice is not my decision. I don't see any drwbacks in this right now, but there might be some.

Best regards
Johannes

PS: Please read about Minimal working examples.