title: Prolog list of atoms
body: <p>How to convert this</p>
  
  <pre><code>fact( [a,b,c], [d,e,f], ..., [p, q, r] )
  </code></pre>
  
  <p>to a list of these elements?</p>
  
  <p>Result:</p>
  
  <pre><code>[[a,b,c], [d,e,f], ..., [p, q, r]]
  </code></pre>