Nelson Goodman's Fact, Fiction and Forecast
Putnam (Hilary)
Source: Putnam, Conant - Realism with a Human Face
Paper - Abstract

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Author’s Introduction

  1. "Goodman (Nelson) - Fact, Fiction and Forecast" has achieved the paradoxical status of a contemporary classic. It is a classic by virtue of being one of the few books that every serious student of philosophy in our time has to have read; it is contemporary not just because it is by a contemporary philosopher but because it speaks to what are still among the most widely discussed issues in philosophy.
  2. Goodman totally recasts the traditional problem of induction. For him the problem is not to guarantee that induction will succeed in the future—we have no such guarantee — but to characterize what induction is in a way that is neither too permissive nor too vague. The central difficulty, which Goodman was the first to highlight, is the projection problem: what distinguishes the properties one can inductively project from a sample to a population from the properties that are more or less resistant to such projection?
  3. Goodman's celebrated argument, which he uses to show that all predicates are not equally projectible, depends on his invention of the strange predicate "grue". He defines something as grue if it is either observed before a certain date and is green, or is not observed before that date and is blue. …


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