Combining Texts
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'Frege's Theory of Numbers', 'Aspects of the Theory of Syntax' and 'Penguin Dictionary of Philosophy'
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14. Science / C. Induction / 5. Paradoxes of Induction / a. Grue problem
4783
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Observing lots of green x can confirm 'all x are green' or 'all x are grue', where 'grue' is arbitrary [Mautner, by PG]
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14. Science / C. Induction / 5. Paradoxes of Induction / b. Raven paradox
4782
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'All x are y' is equivalent to 'all non-y are non-x', so observing paper is white confirms 'ravens are black' [Mautner, by PG]
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