pe">[Function]</div></div>
<div class="defdescribe">returns true, if <i>property1</i> is an subproperty of 
  <i>property2</i>. Otherwise, cl:nil is returned. </div></p>
<p><a id="SWCLOSsuperproperty-of" name="SWCLOSsuperproperty-of"/>
<div class="titlebar">
<div class="defname">superproperty-of <i>property</i></div>
<div class="deftype">[Function]</div></div>
<div class="defdescribe">returns a direct superproperty of <i>property</i>, if exists. 
  Otherwise, cl:nil is returned. </div></p>
<p><a id="SWCLOSs