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JoshuaZ comments on P(X = exact value) = 0: Is it really counterintuitive? - Less Wrong Discussion

8 Post author: lucidfox 29 July 2011 12:45PM

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Tags: probability theory

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Comment author: JoshuaZ 30 July 2011 06:51:07PM 2 points [-]

Huh? No. The probability shouldn't be zero that he's correct. Even now there's some very tiny probability that Newton's laws are exactly correct. This chance is vanishingly small but non-zero. Moreover, your argument implies too much because one could use the exact same logic for general relativity.

Comment author: Eugine_Nier 31 July 2011 12:13:53AM 2 points [-]

Moreover, your argument implies too much because one could use the exact same logic for general relativity.

And it would be equally correct.

Comment author: JoshuaZ 31 July 2011 04:13:31AM 1 point [-]

Ok. But even if you had a theory of quantum gravity that seemed to explain all observed data your argument would still go through. If your argument is accepted than any theory of everything would have to be assigned zero probability of being correct no matter how well it predicted things. This seems wrong.

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