title: How do I keep my section numbering in Latex but just hide it?
body: <p>I need something like this:</p>
  
  <blockquote>
    <p>Chapter 1</p>
    
    <p>Preliminaries</p>
    
    <p>1.1 Banach Algebras</p>
  </blockquote>
  
  <p>I tried this:</p>
  
  <pre><code>\chapter{}
  \section*{Preliminaries}
  \subsection{Banach Algebras}
  </code></pre>
  
  <p>The problem is: As soon as I hide the section number using <code>\section*{Preliminaries}</code>, it changes the numbering of the subsection to <code>0.1 Banach Algebras</code>.</p>
  
  <p>How do I hide the number of the section but keep the number ordering in my subsection?</p>