return isSubClassOf;
}
public boolean isSubClassOf(ATermAppl c1, ATermAppl c2) {
if( !doExplanation ) {
Bool isKnownSubClass = isKnownSubClassOf( c1, c2 );
if( isKnownSubClass.isKnown() ) {
return isKnownSubClass.isTrue();
}
}
if( log.isLoggable( Level.FINE ) ) {
long count = kb.timers.getTimer( "subClassSat" ) == null