Naslov
Geach’s Problem and a Varitey of Consequence Relation

Autori
Žarnić, Berislav

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, neobjavljeni rad, znanstveni

Skup
The Philosophy of Logical Consequence

Mjesto i datum
Dubrovnik, Hrvatska, 10.05.2010. - 14.05.2010

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
consequence relation; dynamic semantics

Sažetak
It the literature on the non-monotonic consequence relation it is often overlooked that as early as 1966, P. T. Geach had described a similar variety of a consequence relation while discussing an informal pattern of practical reasoning. The consequence relation described by Geach has two important properties: - (”locality”) conclusion holds in virtue of premises but it can be defeated by additional premises ; - (existence of the limit) if the premises are complete the conclusion cannot be defeated, where ’conclusion is defeated’ means ’premises are acceptable and conclusion is not acceptable’. By ’Geach’s problem’ I mean a problem of devising modeltheoretic notion of consequence relation that captures the pretheoretical notions of conclusion defeasibility and of ”completeness of premises”. The search for the definition a model theoretic semantics that would be ”adequate” for this variety of a consequence relation requires aweaker notion of semantic relations. I will argue that the dynamic semantics provides a way of thinking about semantic relations in the natural language that operates at a level of generality that enables recognition of specific types of semantic relations. A ”static” exposition of a weaker semantic relation that may serve as explication for the ”prima facie consequence relation” is given. The sketch of the solution for the ”Geach’s problem” is presented.

Izvorni jezik
Engleski

Znanstvena područja
Filozofija

POVEZANOST RADA