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If I have the following

\newtheorem{remark}{Remark}

I will obtain Remark 1, Remark 2 and so on. May I know how to remove the numbering in Remark? Like I just want the word "Remark" and not the number 1, 2, 3 and so on.

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1 Answer 1

up vote 8 down vote accepted

By reading the documentation of amsthm you will find that this definition:

\newtheorem*{}{}

allows you to not have numbers.

Look at this MWE:

\documentclass{report}
\usepackage{amsthm}
\newtheorem*{remark}{Remark}

\begin{document}
\chapter{Introduction}
\section{The social interaction}
\begin{remark}[Homophily]
Homophily is the principle that a contact between similar people occurs at a
higher rate than among dissimilar people.
\end{remark}

\begin{remark}[Social distance]
Social distance describes the distance between different groups of society and is opposed to locational distance
\end{remark}

\end{document}

The result is:

enter image description here

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Thanks Claudio. ;p –  Sandra Apr 18 '12 at 19:06
    
It may be worth noting that the method of using a "starred" theorem-like environment also works with the ntheorem package. The only difference is that, with the ntheorem package in use instead of the amsthm package, the optional title of the remark will be typeset in bold rather than in "plain" upright font. –  Mico Apr 18 '12 at 19:23
    
@Mico That all can be set up using amsthm as well ;) But you are right that ntheorem provides more configutation possibilities. –  yo' Apr 18 '12 at 19:55
    
Thanks Mico. You introduce "ntheorem" to my dictionary. –  Sandra Apr 18 '12 at 20:07
    
@tohecz -- Thanks for this. I certainly didn't mean to imply that one couldn't configure the amsthm package to typeset the optional argument of theorem-like environments in bold font. My main point was to mention that there's another excellent package out there, besides amsthm, that the OP could make use of. –  Mico Apr 18 '12 at 20:52

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