non-nil, assertions are guaranteed to only be listed once.<br />Single value returned is a list of elements satisfying ASSERTION-P. <br /><br /><a name="FN-DEF-GATHER-INDEX-IN-ANY-MT" id="FN-DEF-GATHER-INDEX-IN-ANY-MT"></a>function <tt><strong>GATHER-INDEX-IN-ANY-MT</strong> : (term &amp;optional remove-duplicates?)</tt><br />Return a list of all assertions indexed via TERM.<br />If REMOVE-DUPLICATES? is non-nil, assertions are guaranteed to only be listed once.<br />Single value returned is a list of el