 child's domain and all its super-domains.
              </li>
<li class="listitem">
                Define a set <span class="emphasis"><em>I<sub>S</sub></em></span> that is the intersection of
                all the individual sets <span class="emphasis"><em>S<sub>N</sub></em></span> that don't contain
                <code class="computeroutput"><a class="link" href="default_domain.html" title="Struct default_domain">proto::default_domain</a></code> or
                <code class="computeroutput"><a cla