I have a theorem for which I do not have a proof. What I mean is that I have a paragraph under it, but I do not want it to start with the word Proof. Instead I want that only the first line of the paragraph to be indented.

This is what I have so far:




This is a theorem.
"Here begins the explanation
which is continued here
and here."


I have seen that I could use \indent in front of it, but this does not apply in my case since I have \setlength{\parindent}{0pt} before the start of the document.

How can I indent only the first line?

  • \hspace*{1cm}. By the way, why did you kill the parindent?
    – Sigur
    Jun 25, 2014 at 23:05
  • \hspace*{15pt} Your paragraph. However mixing indented and non-indented paragraphs is rather not a good typographic convention. Jun 25, 2014 at 23:06
  • \parindent is usually 20pt in the basic document classes.
    – Werner
    Jun 25, 2014 at 23:07
  • 1
    Either you indent all your paragraphs (theorems are an exception because they are labelled) or none. Indent them and don't set a nonzero \parskip, your readers will be grateful.
    – egreg
    Jun 25, 2014 at 23:10
  • 3
    @Jessy09 I read lots of books and papers in English and I couldn't find significant examples of non indented paragraphs.
    – egreg
    Jun 25, 2014 at 23:12


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