This is my code:

\documentclass[12pt, a4paper]{book}

\usepackage{parskip}    % paragraph spacing: without this command there is spacing between the paragraph and the proposition


This is some text

This is some other text in another paragraph

This is the proposition


If I comment the line


then the spacing between This is some other text in another paragraph and the Proposition looks fine. Instead, for some reason that I don't understand, when I use parskip, the spacing before the Propositions disappears.

How can I prevent this?

1 Answer 1


Add the following after loading amsthm and parskip packages:



  {}{\typeout{\string\deferred@thm@head patch failed!}}


The problem is that the parskip package reduces the spaces around lists (and theorems are lists) to zero (because of a positive \parskip coming on top) but amsthm explicitly removes the \parskip so you end up with 0.


Added the detection and correction into the parskip package, so it will show up on the next CTAN release.

  • That is exactly what I was looking for! Thank you so much!! :)
    – Mary
    Commented Sep 16, 2018 at 8:17

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