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So I am trying to write a book summary, a few pages long. Is there any way to make part look just like section, except preserving the Roman numbering for part; and make section look just like paragraph, except preserving the Arabic numbering for section? I tried with the following commands:

\let\part\section
\def\thesection{\Roman{section}}
\let\section\paragraph
\def\theparagraph{\arabic{paragraph}}

In some way, it worked for part; but it doesn't work for section, as once let section behave like paragraph, I can't add any numbering to it anymore...

Edit: I also need to make sure numbering of the paragraph-ized section not affected by the section-ized part; i.e., make the section numbers continue regardless of parts

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  • Welcome to TeX.SX! Please clarify what exactly you mean with: "make part look just like section". Is i.sstatic.net/rk5EF.png the output you expect?
    – leandriis
    Commented Jun 27, 2020 at 16:22
  • @leandriis yes, but the problem is for paragraphs, \arabic{paragraph} can't assign a number to it...
    – Kai Yang
    Commented Jun 27, 2020 at 23:48

1 Answer 1

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Not sure what it is that you want but why not just use \section and \paragraph while changing the style of their numbering?

\documentclass{article} % ????
\usepackage{lipsum}

\usepackage{chngcntr} % for changing how counters get incremented
\counterwithout{subsection}{section} % continuous subsection numbering
\counterwithout{subsubsection}{subsection} % continuous subsubsection numbering
\counterwithout{paragraph}{subsubsection} % continuous paragraph numbering

\renewcommand{\thesection}{\Roman{section}}
\renewcommand{\theparagraph}{\arabic{paragraph}}

\setcounter{secnumdepth}{4} % number \paragraph in document
\setcounter{tocdepth}{4}    % put \paragraph in ToC

\begin{document}
\tableofcontents
\section{First section}
\lipsum[1]
\paragraph{First paragraph}
\lipsum[2]
\paragraph{Second paragraph}
\lipsum[2]
\section{A section}
\lipsum[1]
\paragraph{A paragraph}
\lipsum[2]
\end{document}

In response to your comment I have added code so that paragraph numbering is continuous.

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  • but is there any way to make paragraph numbering not affected by section numbering? e.g., when starting a new section, is there any way to let the paragraph numbering continue instead of restarting with 1?
    – Kai Yang
    Commented Jun 27, 2020 at 23:51
  • @KaiYang I have extended my answer. Pity you didn't include the constraint in your original question. Commented Jun 28, 2020 at 17:18
  • thanks a lot for the answer, I just updated the original question
    – Kai Yang
    Commented Jun 28, 2020 at 18:20

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