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DILEF Dipartimento di Lettere e Filosofia

Seminario di Logica e Filosofia della Scienza


Seminario di Logica e Filosofia della Scienza

Sezione di Filosofia

Via Bolognese 52, aula 5

orario: 11.00-13.00
(salvo diversa comunicazione)




Workshop On Predication


venerdì 23 febbraio 2018, ore 9:45


9:45    Welcome

10:00    Øystein Linnebo (University of Oslo)
Ontological categories and the problem of expressibility
(joint work with Bob Hale)

Frege famously held that the ontological categories correspond to the logico-syntactic types. Something is an object just in case it can be referred to by a singular term, and likewise for all the other categories. This view faces an expressibility problem. In order to express the view, we need to generalize across categories; but by the view itself, any one variable can only range over a single category. We provide a sharp formulation of the problem, show that there is no easy way out, and then explore some of the hard ways.

11:30    Sergio Bernini (Università di Firenze)
The logic of Fregean concepts

The relations between Frege’s notions of concept and of object are analyzed from a logical point of view. Such relations turn out to go beyond that of falling under, so the standard theory must be widened. The result is a theory of a general kind of relations that we call copular relations. Arguments are given to show that this notion of copularity is logically founded and not merely conventional.

13:00    Lunch

14:00    Fraser Macbride (University of Manchester)
Relations: predicates expressing them and names denoting them

I argue that predicates in general and many place predicates in particular are impurely referring expressions, i.e. do not only refer to relations but perform a further co-ordinating function in virtue of which a sentence is more than a list. Conceiving of predicates as impurely referring expressions not only provides a solution to Frege's Paradox of the Concept Horse but also allows us to address the Puzzle about Relation Names advanced by van Inwagen. Because it enables us to solve these puzzles, this gives us reason to favour my view that predicates are impurely referring expressions.






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ultimo aggiornamento: 16-Feb-2018
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