class="toctree-l4"><a class="reference internal" href="retractall_1.html"><code class="docutils literal notranslate"><span class="pre">retractall/1</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="meta_call_methods.html">Meta-calls</a></li>
<li class="toctree-l3"><a class="reference internal" href="error_handling_methods.html">Error handling</a></li>
<li class="toctree-l3"><a class="reference internal" href="solution_methods.html">All solutions</a></li>
<li class