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Resolution of Grue Using a Support Measure

Gokhale, Raam (2010) Resolution of Grue Using a Support Measure. [Preprint]

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Goodman’s grue paradox is unassailable if we hold that instances confirm generalizations, for the evidence at hand is both an instance of ‘All emeralds are green’ and ‘All emeralds are grue’. But if we consider what bearing the denials of the two hypotheses have on the evidence, a very different picture emerges. This paper argues that the denial of ‘All emeralds are grue’ is more positively relevant to the evidence to date than the denial of ‘All emeralds are green’ is to the evidence and that therefore ‘All emeralds are green’ is better supported by the evidence than ‘All emeralds are grue’. The measure of support we employ—S(h|e) = p(e|h) – p(e|~h)—is motivated by the familiar relevance condition of confirmation, namely e confirms h only if p(h|e) > p(h).

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Item Type: Preprint
Keywords: Confirmation, Goodman, Grue
Subjects: General Issues > Confirmation/Induction
Depositing User: Mr. Raam Gokhale
Date Deposited: 18 Oct 2010 11:40
Last Modified: 05 Nov 2010 12:29
Item ID: 8343
Subjects: General Issues > Confirmation/Induction
Date: 18 October 2010

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