sfy INTEGERP.<br />TRUTH must satisfy TRUTH-P.<br />Single value returned is a list of elements satisfying HL-TERM-P. <br /><br /><a name="FN-DEF-PRED-REFS" id="FN-DEF-PRED-REFS"></a>function <tt><strong>PRED-REFS</strong> : (pred &amp;optional gather-arg truth)</tt><br />Find all gaf assertions such that:<br /><code></code>(a) the assertion is in a relevant microtheory (relevance is established outside)<br /><code></code>(b) if TRUTH is non-nil, the assertion has TRUTH as its truth value<br /><code></co