Truth and Existence

Heylen, Jan; Horsten, Leon

Truth and Existence

Dateien

Zu diesem Dokument gibt es keine Dateien.

Datum

2017

Autor:innen

Heylen, Jan

Horsten, Leon

DOI (zitierfähiger Link)

https://doi.org/10.1002/tht3.238

Sammlungen

Philosophie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Thought : A Journal of Philosophy. Wiley-Blackwell. 2017, 6(2), pp. 106-114. eISSN 2161-2234. Available under: doi: 10.1002/tht3.238

Zusammenfassung

Halbach has argued that Tarski biconditionals are not ontologically conservative over classical logic, but his argument is undermined by the fact that he cannot include a theory of arithmetic, which functions as a theory of syntax. This article is an improvement on Halbach's argument. By adding the Tarski biconditionals to inclusive negative free logic and the universal closure of minimal arithmetic, which is by itself an ontologically neutral combination, one can prove that at least one thing exists. The result can then be strengthened to the conclusion that infinitely many things exist. Those things are not just all Gödel codes of sentences but rather all natural numbers. Against this background inclusive negative free logic collapses into noninclusive free logic, which collapses into classical logic. The consequences for ontological deflationism with respect to truth are discussed.

Fachgebiet (DDC)

100 Philosophie

Schlagwörter

disquotational theory of truth, Tarski biconditionals, ontological deflationism, inclusive negative free logic, universal closure of arithmetic, nominalism, finitism

Zitieren

ISO 690

HEYLEN, Jan, Leon HORSTEN, 2017. Truth and Existence. In: Thought : A Journal of Philosophy. Wiley-Blackwell. 2017, 6(2), pp. 106-114. eISSN 2161-2234. Available under: doi: 10.1002/tht3.238

BibTex

@article{Heylen2017-06Truth-49409,
  year={2017},
  doi={10.1002/tht3.238},
  title={Truth and Existence},
  number={2},
  volume={6},
  journal={Thought : A Journal of Philosophy},
  pages={106--114},
  author={Heylen, Jan and Horsten, Leon}
}

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Universitätsbibliographie

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