Vagueness, tolerance and contextual logic
Synthese 174 (1) (2010)
| Abstract | The goal of this paper is a comprehensive analysis of basic reasoning patterns that are characteristic of vague predicates. The analysis leads to rigorous reconstructions of the phenomena within formal systems. Two basic features are dealt with. One is tolerance: the insensitivity of predicates to small changes in the objects of predication (a one-increment of a walking distance is a walking distance). The other is the existence of borderline cases. The paper shows why these should be treated as different, though related phenomena. Tolerance is formally reconstructed within a proposed framework of contextual logic, leading to a solution of the Sorites paradox. Borderline-vagueness is reconstructed using certain modality operators; the set-up provides an analysis of higher order vagueness and a derivation of scales of degrees for the property in question. | |||||||||
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Elia Zardini (2013). Higher-Order Sorites Paradox. Journal of Philosophical Logic 42 (1):25-48.
Nicholas J. J. Smith (2005). Vagueness as Closeness. Australasian Journal of Philosophy 83 (2):157 – 183.
Susanne Bobzien (2010). Higher-Order Vagueness, Radical Unclarity, and Absolute Agnosticism. Philosophers' Imprint 10 (10):1-30.
Stewart Shapiro (2008). Reasoning with Slippery Predicates. Studia Logica 90 (3):313 - 336.
Elia Zardini (2008). A Model of Tolerance. Studia Logica 90 (3):337 - 368.
Matti Eklund (2005). What Vagueness Consists In. Philosophical Studies 125 (1):27-60.
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.
Patrick Greenough (2003). Vagueness: A Minimal Theory. Mind 112 (446):235-281.
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