Relational Roles and Qua-individuals

Claudio Masolo, Giancarlo Guizzardi, Laure Vieu1, Emanuele Bottazzi, Roberta Ferrario

In this paper we present and compare two different approaches to the notion of relational role and connected issues. Both approaches are based on the introduction of the notion of qua-individual and on the reification of relations. We use a classical problem in the literature on roles, namely the counting problem, as testbed, and we show how the two approaches deal with it in a similar way. We nevertheless show that they are to be distinguished, examining several aspects emerging from their relation with the notion of trope.

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