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How to change section numbering to alphabetical, Roman numbers, etc

I am using the fancyhdr package to work with chapters. But I don't want to have the number of the chapter included in the section numbering. For example, I don't want to have

chapter 1

1.1 Introduction.

1.2 Conclusion.

The preamble concerning the fancyhdr package is

  • 3
    Does tex.stackexchange.com/questions/3177/… help you?
    – Thorsten
    Apr 11, 2012 at 15:40
  • Not sure how the linked post helped you, but you can remove the chapter number from the section numbering via \renewcommand{\thesection}{\arabic{section}}.
    – Werner
    Apr 11, 2012 at 16:01

1 Answer 1


Without any modifications to the book or report document classes (which support \chapter), the section printing mechanism is essentially given by

\renewcommand \thesection {\thechapter.\arabic{section}}

This includes the chapter-level numbering - \thechapter (and a period .) - as part of the section-level numbering. To remove this hierarchy, add

\renewcommand \thesection {\arabic{section}}

to your document preamble.

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