Synthese 174 (1):47 - 78 (2010)
In this paper we compare different models of vagueness viewed as a specific form of subjective uncertainty in situations of imperfect discrimination. Our focus is on the logic of the operator “clearly” and on the problem of higher-order vagueness. We first examine the consequences of the notion of intransitivity of indiscriminability for higher-order vagueness, and compare several accounts of vagueness as inexact or imprecise knowledge, namely Williamson’s margin for error semantics, Halpern’s two-dimensional semantics, and the system we call Centered semantics. We then propose a semantics of degrees of clarity, inspired from the signal detection theory model, and outline a view of higher-order vagueness in which the notions of subjective clarity and unclarity are handled asymmetrically at higher orders, namely such that the clarity of clarity is compatible with the unclarity of unclarity.
|Keywords||Higher-order vagueness Clarity Imperfect discrimination Inexact knowledge Non-transitivity Signal detection theory Centered semantics Epistemic logic Uncertainty Metacognition|
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References found in this work BETA
Vagueness and Grammar: The Semantics of Relative and Absolute Gradable Adjectives.Christopher Kennedy - 2007 - Linguistics and Philosophy 30 (1):1 - 45.
The Comparative Psychology of Uncertainty Monitoring and Metacognition.J. Smith, W. Shields & D. Washburn - 2003 - Behavioral and Brain Sciences 26 (3):317-339.
Citations of this work BETA
Tolerant, Classical, Strict.Pablo Cobreros, Paul Egré, David Ripley & Robert van Rooij - 2010 - Journal of Philosophical Logic 41 (2):347-385.
A Delineation Solution to the Puzzles of Absolute Adjectives.Heather Burnett - 2014 - Linguistics and Philosophy 37 (1):1-39.
Margin for Error Semantics and Signal Perception.David Spector - 2013 - Synthese 190 (15):3247-3263.
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