ial">=</span>
                    <span class="identifier">o</span></code>, where <code class="computeroutput"><span class="identifier">e</span></code> is the first element in the
                    sequence, is a valid expression.
                  </p>
                </td>
<td>
                  <p>
                    Constant
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <code class="computeroutput"><a class="link" href="../intrinsic/functions/a