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Title: Fragmented truth
Author: Yu, Andy
Awarding Body: University of Oxford
Current Institution: University of Oxford
Date of Award: 2016
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This thesis comprises three main chapters-each comprising one relatively standalone paper. The unifying theme is fragmentalism about truth, which is the view that the predicate 'true' either expresses distinct concepts or expresses distinct properties. In Chapter 1, I provide a formal development of alethic pluralism. Pluralism is the view that there are distinct truth properties associated with distinct domains of subject matter, where a truth property satisfies certain truth-characterizing principles. On behalf of pluralists, I propose an account of logic and semantics that shows how they can answer central conceptual and logical challenges for their view. In Chapter 2, I motivate and develop a modal account of propositions on the basis of an iterative conception of propositions, where the modality is logico-mathematical. The modal account of propositions takes the conception to motivate an inherently potential hierarchy of propositions. I show that the account helps provide satisfying solutions to the intensional paradoxes of Russell-Myhill, Kaplan, and Prior. In Chapter 3, I propose that 'true' is polysemous. I suggest that 'true' is initially polysemous between correspondence truth and disquotational truth, and further polysemous between the meanings corresponding to the subconcepts of the concept truth generated by the indefinite extensibility of that concept. I show that the proposal provides satisfying solutions to the semantic paradoxes.
Supervisor: Halbach, Volker ; Williamson, Timothy Sponsor: Clarendon Fund ; Social Sciences and Humanities Research Council of Canada
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Philosophy ; Logic ; Philosophical Logic ; Philosophy of Language ; Paradoxes ; Pluralism ; Truth