The problem is that no space appears between the boxed definition and the text. Can anyone help?
Code: Select all
\documentclass[a4paper,11pt, fleqn]{amsbook}
\usepackage{lipsum}
\usepackage{mdframed}
\newmdtheoremenv{defn}{Definition}[chapter]
\begin{document}
\lipsum[1]
\begin{defn}
\textbf{Prime numbers} \label {Defn:Prime} \lipsum[2]
\end{defn}
\lipsum[3]
\end{document}