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Sunday, August 17, 2014

Naive version or non-naive, the precautionary principle is downright dangerous

Kurt Goedel was one of the most eminent and deep thinking mathematicians of the last century and justly famous for clarifying the distinction between certainty and truth. It would be hard to accuse him of being a proponent of a naive version of the precautionary principle. But a quotation describing Goedel's character from a book about the role of uncertainty in scientific thinking makes it clear that even for a deep thinker like Goedel, the precautionary principle is frankly dangerous:
Unfortunately, there are inevitably are elements of one's life that cannot be controlled or proved. For example, one way to prove that you're food has not been poisoned is to let your wife taste it first. If your wife is in the hospital and there is no one to prove that you're food is safe, a logical response is not to eat at all. This is what Goedel did and, as a result, starved himself to death. Most people do not take logic to such an extreme example but Goedel was exceptional.
From 
The Blind Spot: Science and the Crisis of Uncertainty.
William Byers, Princeton University Press 2011

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