Supervaluationism, Subvaluationism and the Sorites Paradox

In Elia Zardini & Sergi Oms (eds.), The Sorites Paradox. Cambridge, Reino Unido: Cambridge University Press. pp. 38-62 (2019)
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One way in which we might approach the challenge posed by the Sorites Paradox is considering that Sorites-susceptible predicates have several candidate extensions, or several ways in which these expressions can be made precise. For example, a candidate extension for the predicate ‘is a baby’ is the set of humans of less than two years, but also the set of those less than two years and one second, and of those less than two years and two seconds. In this chapter we present and discuss two theories for vague predicates based on this idea: supervaluationism and subvaluationism. The chapter is structured in three parts. The first presents the super- and subvaluationist theories: their similarities and differences in the semantics, the resulting logics with their most characteristic features. The second reviews the super- and subvaluationist solutions to the Sorites Paradox and provides discussion on several controversies surrounding these theories. The third part introduces proof procedures for s’valuationist logics.



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Author Profiles

Pablo Cobreros
Universidad de Navarra
Luca Tranchini
Universität Tübingen

Citations of this work

Meta-Inferences and Supervaluationism.Luca Incurvati & Julian J. Schlöder - forthcoming - Journal of Philosophical Logic:1-34.
Vagueness.Roy Sorensen - 1997 - In Edward N. Zalta (ed.), Stanford Encyclopedia of Philosophy. Stanford University.

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