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I am using the document class book.

If I start a new chapter using \chapter{Chapter 1}, I get something like

enter image description here

where the two "Chapter 1" looks redundant.

Since the top one of the two "Chapter 1" is generated by default, I switched to just \chapter{}, but then the TOC entry of the chapter is just 1. I want the toc entry of it to still be Chapter 1.

Is it possible to change the TOC entry numbering style like enumerate? Because for enumerate I could write

\renewcommand{\labelenumi}{Chapter \arabic{enumi}}

and the numbering automatically includes the word "Chapter".


If I could get rid of the default generated copy of "Chapter 1", that would also work. But I prefer to let the code do the enumeration automatically instead of manually typing "Chapter x" every time.

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    Any chance you could start by making the argument of \chapter more informative? E.g., \chapter{Introduction} or \chapter{Conclusion} or whatever? Many readers tend to truly appreciate receiving visual signposts of what lies ahead.
    – Mico
    May 26, 2020 at 5:35
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    @Mico yeah I could do that. I was typing up solutions for a textbook so I thought I would skip the actual names of the chapters. But yeah, that would be a solution.
    – tanjz
    Jun 1, 2020 at 18:36

1 Answer 1

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One ad hoc solution is adding

\usepackage{titlesec}
\titleformat{\chapter}[display]
  { \tiny }%
  {\hspace{1ex}%
   }%
  {1pt}%
  {\bfseries\Huge}%

to the preamble and start each chapter with \chapter{\chaptername\ \thechapter}

This really just make the default chapter heading small with empty content; doesn't actually get rid of the placeholder element for the default heading.

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