# [texhax] Theorem with footnote in the header

Lars Madsen daleif at math.au.dk
Tue Dec 1 10:01:58 CET 2015

This MWE might do the trick, the problem is of course that normal \footnote cannot escape \item[...] thus we need to use \footnotemark and \footnotetext

\documentclass[a4paper]{article}
\usepackage{ntheorem}
\makeatletter
\newtheoremstyle{plainfoot}%
{\item[\hskip\labelsep \theorem at headerfont ##1\ ##2\theorem at separator\footnotemark]}%
{\item[\hskip\labelsep \theorem at headerfont ##1\ ##2\ (##3)\theorem at separator\footnotemark]}

\makeatother

\theoremstyle{plainfoot}
\theoremseparator{.}
\newtheorem{theorem-foot}{Theorem}

\begin{document}

\begin{theorem-foot}
\footnotetext{Test}
\end{theorem-foot}

\end{document}

Institut for Matematik / Department of Mathematics
Aarhus Universitet / Aarhus University
Mere info: http://au.dk/daleif@math<http://au.dk/daleif@imf> / More information: http://au.dk/en/daleif@math<http://au.dk/en/daleif@imf>

________________________________
From: texhax <texhax-bounces at tug.org> on behalf of Victor Ivrii <vivrii at gmail.com>
Sent: 30 November 2015 17:55
To: texhax at tug.org
Subject: [texhax] Theorem with footnote in the header

I am using ntheorem and I would like to have a special kind of theorem (say theorem-foot} to have an output like this where ^ means raised box

Theorem 2.1 ^5.
Blah-blah

_____
^5 Cf. Theorem 1.3.

Also, if Blah-blah is

\begin{enumerate}
\item foo
\item bar
\end{enumerate}

I want "foo" start at the same line as Theorem.

--
Unfortunately my experiments with ntheorem did not produce what I wanted.

Thank you in advance
Victor Ivrii
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