Search for: [Subject and Keywords = systemy informacyjne] OR [Subject and Keywords = wnioskowanie przybliżone] OR [Subject and Keywords = logika matematyczna] OR [Subject and Keywords = pojęcia nieostre] OR [Subject and Keywords = wnioskowanie boolowskie] OR [Subject and Keywords = reprezentacja wiedzy] OR [Title = On discernibility of objects in knowledge representation systems] OR [Creator = Pawlak, Zdzisław]