PHI 210 Lecture Notes - Lecture 15: Inductive Reasoning, If And Only If

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16 Mar 2017
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Solving the paradox of grue by restricting (g1); principles (g2)-(g4); transparency. Principle (g1) & grue: (g1) a generalization is confirmed by any of its instances. X is grue if either (i) x is green and has been examined before the year 2020 or (ii) x is blue and has not been examined before the year 2020. According to (g1): my observations of the emeralds confirm that all emeralds are grue. , my observations of the emeralds confirm that all emeralds are green. We want to explain why (1) is false but (2) is true. Explains why all lobsters are red isn"t confirmed by observations of only cooked lobsters. A hypothesis all fs are gs" is confirmed by its instances iff there is no property h such that the. Fs in the data are h, and if they had not been h, they would not have been g.

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