Friday Aug 29, 2008

Logic and the Future

Many, who have poorly understood the power of analysis, logic and "scientific" prediction, put great weight on the so-called "analysis of facts" to predict the future. In Fact, Fiction and Forecast, Fourth Edition, philosopher Nelson Goodman writes:

The problem of the validity of judgements about future or unknown cases arises, as Hume pointed out, because such judgments are neither reports of experience nor logial consequences of it. Predictions, of course, pertain to what has not yet been observed. And they cannot be logically inferred from what has been observed; for what has happened imposes no logical restrictions on what will happen. 

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