double umin = Double.POSITIVE_INFINITY;
double umax = Double.NEGATIVE_INFINITY;
for( Iterator it = iteratorLinguisticTermNames(); it.hasNext(); ) {
String lingTerm = (String) it.next();
MembershipFunction membershipFunction = getMembershipFunction(lingTerm);
membershipFunction.estimateUniverse();
umin = Math.min(membershipFunction.getUniverseMin(), umin);
umax = Math.max(membershipFunction.getUniverseMax(), umax);
}