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I am using the book document class and what I would like to do is to have a abstract like text at the start of every chapter (in smaller font outlining what will happen in the chapter, etc.). I don't have a problem changing to amsbook if that helps in anyway.

Example: http://www.amazon.com/Classical-Introduction-Modern-Graduate-Mathematics/dp/038797329X

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The memoir document class has a built in chapterprecis which looks like it does what you want... – Seamus Sep 25 '10 at 17:24
I see but then I have never worked with the memoir class, it seems so overly complicated ... – Hesam Sep 25 '10 at 20:09
up vote 11 down vote accepted

Here is an example that uses one of the KOMA-Script classes to achieve a similar effect:

\documentclass[pagesize=auto, version=last, chapterprefix=true]{scrbook}





    The notion of prime number is fundamental in number theory.
    The first part of this chapter is devoted to proving that every integer can be written as a product of primes in an essentially unique way.

    After that, we shall prove an analogous theorem in the ring of polynomials over a field.%

\chapter{Unique Factorization}

\section{Unique Factorization in $\mathbb Z$}

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Nice example of KOMA-Script. – TH. Sep 25 '10 at 11:29
Thank you! This works. – Hesam Sep 25 '10 at 20:14

I just use

{\small ...}
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You can define a similar abstract environment to your example using


Just use \begin{abstract}...\end{abstract} after your \chapter and then start a \section after that.

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I get an error "Abstract already defined". Could you advise on what to do please? – user130222 Jun 14 at 18:13

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