Lehrer Meets Ranking Theory
In Erik J. Olsson (ed.), The Epistemology of Keith Lehrer. Kluwer (2002)
| Abstract | Meets what? Ranking theory is, as far as I know, the only existing theory suited for underpinning Keith Lehrers account of knowledge and justification. If this is true, its high time to bring both together. This is what I shall do in this paper. However, the result of defining Lehrers primitive notions in terms of ranking theory will be disappointing: justified acceptance will, depending on the interpretation, either have an unintelligible structure or reduce to mere acceptance, and in the latter interpretation knowledge will reduce to true belief. Of course, this result will require a discussion of who should be disappointed. So, the plan of the paper is simple: In section 1 I shall briefly state what is required for underpinning Lehrers account and why most of the familiar theories fail to do so. In section 2 I shall briefly motivate and introduce ranking theory. Basing Lehrers account on it will be entirely straightforward. Section 3 proves the above-mentioned results. Section 4, finally, discusses the possible conclusions. | |||||||||
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Jonathan L. Kvanvig (1985). Is There an 'Us' in 'Justification'? Synthese 62 (1):63 - 73.
Wolfgang Spohn (1988). Ordinal Conditional Functions. A Dynamic Theory of Epistemic States. In W. L. Harper & B. Skyrms (eds.), Causation in Decision, Belief Change, and Statistics, vol. II. Kluwer.
Wolfgang Spohn (2002). A Brief Comparison of Pollock's Defeasible Reasoning and Ranking Functions. Synthese 131 (1):39-56.
Elke Brendel (1999). Coherence Theory of Knowledge: A Gradational Account. Erkenntnis 50 (2-3):293-307.
Erik J. Olsson (ed.) (2003). The Epistemology of Keith Lehrer. Kluwer Academic Publishers.
Wolfgang Spohn, Ranking Functions, AGM Style. Internet Festschrift for Peter Gärdenfors.
John W. Bender (1992). Unreckoned Misleading Truths and Lehrer's Theory of Undefeated Justification. Journal of Philosophical Research 17:465-481.
Keith Lehrer (2000). Theory of Knowledge. Westview Press.
Wolfgang Spohn (2009). A Survey of Ranking Theory. In Franz Huber & Christoph Schmidt-Petri (eds.), Degrees of Belief. Springer.
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