A model of tolerance
Studia Logica 90 (3):337 - 368 (2008)
| Abstract | According to the naive theory of vagueness, the vagueness of an expression consists in the existence of both positive and negative cases of application of the expression and in the non-existence of a sharp cut-off point between them. The sorites paradox shows the naive theory to be inconsistent in most logics proposed for a vague language. The paper explores the prospects of saving the naive theory by revising the logic in a novel way, placing principled restrictions on the transitivity of the consequence relation. A lattice-theoretical framework for a whole family of (zeroth-order) “tolerant logics” is proposed and developed. Particular care is devoted to the relation between the salient features of the formal apparatus and the informal logical and semantic notions they are supposed to model. A suitable non-transitive counterpart to classical logic is defined. Some of its properties are studied, and it is eventually shown how an appropriate regimentation of the naive theory of vagueness is consistent in such a logic. | |||||||||
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Diana Raffman (2009). Demoting Higher-Order Vagueness. In Sebastiano Moruzzi & Richard Dietz (eds.), Cuts and Clouds. Vaguenesss, its Nature and its Logic. Oxford University Press.
Ryan Muldoon, Michael Borgida & Michael Cuffaro (2012). The Conditions of Tolerance. Politics, Philosophy and Economics 11 (3):322-344.
Patrick Greenough (2003). Vagueness: A Minimal Theory. Mind 112 (446):235-281.
Matti Eklund (2005). What Vagueness Consists In. Philosophical Studies 125 (1):27-60.
Haim Gaifman (2010). Vagueness, Tolerance and Contextual Logic. Synthese 174 (1).
Pablo Cobreros, Paul Egré, David Ripley & Robert van Rooij (2010). Tolerant, Classical, Strict. Journal of Philosophical Logic 41 (2):347-385.
Elia Zardini (2008). Living on the Slippery Slope : The Nature, Sources and Logic of Vagueness. Dissertation, University of St Andrews
Elia Zardini (2013). Higher-Order Sorites Paradox. Journal of Philosophical Logic 42 (1):25-48.
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