Snip!t from collection of Alan Dix

<h4>5.1.5 rdfs:ContainerMembershipProperty</h4> <p>The <code>rdfs:ContainerMembershipProperty</code> class has as instances the properties <code>rdf:_1, rdf:_2, rdf:_3 ...</code> that are used to state that a resource is a member of a container. <code>rdfs:ContainerMembershipProperty</code> is a <a href="#def-subclass">subclass</a> of <a href="#ch_property"><code>rdf:Property</code></a>. Each instance of <code>rdfs:ContainerMembershipProperty</code> is an <a href="#ch_subpropertyof"><code>rdfs:subPropertyOf</code></a> the <code><a href="#ch_member">rdfs:member</a></code> property.</p> <p>Given a container C, a triple of the form:</p> <blockquote> <p>C rdf:_nnn O</p> </blockquote> <p>where nnn is the decimal representation of an integer greater than 0 with no leading zeros, states that O is a member of the container C.</p> <p>Container membership properties may be applied to resources other than containers.</p>