Il Trimestrale. The Lab's Quarterly, 1, 2008
with the concept subject of social research - are applied by individual social actors, may allow the derivation of aggregate membership functions, in a manner not dissimilar to how in econometrics the curve of market demand is the ideal sum of individual demand curves. The fact that the language is perpetually innovatedby concrete linguistic uses does not eliminate the possibility of studying the phenomenon in a certain space or time. The development of such tools is outside the purpose of this paper, but I intend to indicate this as a direction that is not covered by the methodological literature or research in the field and that can be profitable for future investigation.