ixel chavez qjqpjeecsberkeleyedu dear lotfi appreciate idea secondorder multiplicity fruitful approach random sets additional application introduce proof contradiction set two different appearances mention idea elements sets elements drawn universe discourse u exactly universe discourse variables may appear negated certain statements like transforming example la b 2 c 3 secondorder multiset la b 2 c 3 also secondorder multiset two decades ago tried follow second approach order compare together laws approved legislative body aim discover contradictions among congressman working law proposal primarily need satisfy certain need given social commercial regional group large number laws approved one legislation period hindrance task compare former laws order discover contradictions among succeed formulating laws plain text also logical formulas comparison would become easy hence suggest explore example laws state california last legislative period find reasonable approach formulate logical formulas indeed large amount experience ruleoriented expert systems mamdani succeeded applying fuzzy sets hope take advantage ideas find new way apply multisets practical purpose sincerely salomon klaczko d12349 berlin germany thu 07 aug 2008 002252 0700 uai random sets without randomness