Le categorie tra linguaggio ideale e linguaggio ordinario

The article aims at a comparative view of the ways in which the issue of categories was dealt with in the context of classic linguistic philosophy, both in the ideal language and in the ordi- nary language tradition. different ways of conceiving of categories are seen to be associated with different outlooks as to the method of (linguistic) philosophy. Some paradigmatic cas- es are examined: Gustav Bergmann, Rudolf Carnap, Willard Van Orman Quine, Gilbert Ryle. contrasts as well as interferences among their views are taken into account.