</span></a> directives or for giving more meaningful
names considering the calling context of the predicates. For predicates,
it is also possible to define alias shorthands using the notation
<code class="docutils literal notranslate"><span class="pre">Predicate</span> <span class="pre">as</span> <span class="pre">Alias</span></code> or, in alternative, the notation
<code class="docutils literal notranslate"><span class="pre">Predicate::Alias</span></code>, where <code class="docutils literal notranslate"><