[a].Name</p>
</blockquote>
<blockquote>
<p>Authors[1].Age &gt; Authors.$[b].Age</p>
</blockquote>
<blockquote>
<p>Authors[2].Books[3].Title &gt; Authors.<span class="math">\([c].Books.\)</span>[d].Title</p>
</blockquote>
<p>index positions start from [0] which is converted to $[a] and so on.</p>
<pre><code class="lang-csharp">    var path = Prop.PosFiltered&lt;Book&gt;(b =&gt; b.Authors[2].Books[3].Title);
</code></pre>
<h4 id="propelementsindex-expression">Prop.Elements(index, expression)</h4>
<p>returns a