body>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td>
<p><code class="computeroutput">Map</code> must be an MPL map with keys for all the non-deduced placeholders used by <code class="computeroutput">Concept</code> and values for the corresponding placeholders in <code class="computeroutput">Concept2</code>. </p>
<p>After substituting placeholders according to <code class="computeroutput">Map</code>, the requirements of <code class="computeroutput">Concept2</code> mus