r"></a><code><span class="keyword">val</span> is_symbolic : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> bool</code></dt><dt class="spec value" id="val-is_top"><a href="#val-is_top" class="anchor"></a><code><span class="keyword">val</span> is_top : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> bool</code></dt><dt class="spec value" id="val-is_unreachable"><a href="#val-is_unreachable" class="anchor"></a><code><span class="keyword">val</span> is_unreachable : <a href="index.html#type-t