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Philosophies 2018, 3(1), 2; doi:10.3390/philosophies3010002

Probabilistic Justification Logic

Department of Philosophy, University of Connecticut, Storrs, CT 06269, USA
Received: 30 November 2017 / Revised: 2 February 2018 / Accepted: 13 February 2018 / Published: 16 February 2018
(This article belongs to the Special Issue Logic, Inference, Probability and Paradox)
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Justification logics are constructive analogues of modal logics. They are often used as epistemic logics, particularly as models of evidentialist justification. However, in this role, justification (and modal) logics are defective insofar as they represent justification with a necessity-like operator, whereas actual evidentialist justification is usually probabilistic. This paper first examines and rejects extant candidates for solving this problem: Milnikel’s Logic of Uncertain Justifications, Ghari’s Hájek–Pavelka-Style Justification Logics and a version of probabilistic justification logic developed by Kokkinis et al. It then proposes a new solution to the problem in the form of a justification logic that incorporates the essential features of both a fuzzy logic and a probabilistic logic. View Full-Text
Keywords: logic; justification; epistemology; evidentialism; justification logic; fuzzy logic; probabilistic logic; epistemic logic logic; justification; epistemology; evidentialism; justification logic; fuzzy logic; probabilistic logic; epistemic logic
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Lurie, J. Probabilistic Justification Logic. Philosophies 2018, 3, 2.

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