specify the name of the piece of system code used to evaluate expressions formed with a given evaluatable relation.<br />
	    guid: bfb0e3f0-9c29-11b1-9dad-c379636f7270<br />
	    direct instance of: #$RelationshipType #$AtemporalNecessarilyEssentialCollectionType<br />
	    direct specialization of: #$Relation <br />
	    direct generalization of: #$EvaluatableFunction #$EvaluatablePredicate</p>
<p>#$evaluationDefn   evaluation defn    **COMMENT NOT REVIEWED**    **GAFs NOT REVIEWED**