f="validation.html#ect.validation.rules.VertexCountRule.is_structural">(ect.validation.rules.VertexCountRule property)</a>
</li>
        <li><a href="validation.html#ect.validation.ValidationRule.is_structural">(ect.validation.ValidationRule property)</a>
</li>
        <li><a href="validation.html#ect.validation.VertexCountRule.is_structural">(ect.validation.VertexCountRule property)</a>
</li>
      </ul></li>
  </ul></td>
  <td style="width: 33%; vertical-align: top;"><ul>
      <li><a href="validation.htm