/a> â€“ <a href="../../../../../../index.html">bastet</a> &#x00BB; <a href="../../../../../index.html">Bastet__Test</a> &#x00BB; <a href="../../../../index.html">List</a> &#x00BB; <a href="../../../index.html">M</a> &#x00BB; <a href="../../index.html">Heyting_Algebra</a> &#x00BB; <a href="../index.html">V</a> &#x00BB; O</nav><h1>Module <code>V.O</code></h1></header><dl><dt class="spec value" id="val-(&lt;||)"><a href="#val-(&lt;||)" class="anchor"></a><code><span class="keyword">val</span> (&lt;||) : <