Truthier than thou: : Truth, supertruth and probability of truth

• Autores: Nicholas J.J. Smith
• Localización: Noûs, ISSN-e 1468-0068, Vol. 50, Nº. 4, 2016, págs. 740-758
• Idioma: inglés
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• Resumen

  • Different formal tools are useful for different purposes. For example, when it comes to modelling degrees of belief, probability theory is a better tool than classical logic; when it comes to modelling the truth of mathematical claims, classical logic is a better tool than probability theory. In this paper I focus on a widely used formal tool and argue that it does not provide a good model of a phenomenon of which many think it does provide a good model: I shall argue that while supervaluationism may provide a model of probability of truth, or of assertability, it cannot provide a good model of truth—supertruth cannot be truth. The core of the argument is that an adequate model of truth must render certain connectives truth-functional (at least in certain circumstances)—and supervaluationism does not do so (in those circumstances).