Difference between revisions of "Evidence"

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The [[likelihood ratio]] term <math>\frac{P(B | A)}{P(B|\neg A)}</math> from [[Bayes' theorem]] is greater than 1 if the event B is evidence of the theory A, and less than 1 if the event is evidence against the theory.
 
The [[likelihood ratio]] term <math>\frac{P(B | A)}{P(B|\neg A)}</math> from [[Bayes' theorem]] is greater than 1 if the event B is evidence of the theory A, and less than 1 if the event is evidence against the theory.
 
==See also==
 
 
*[[Rational evidence]], [[Evidence of absence]], [[Extraordinary evidence]]
 
*[[Filtered evidence]]
 
*[[Generalization from fictional evidence]]
 
*[[Conservation of expected evidence]]
 
  
 
==Blog posts==
 
==Blog posts==
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*[http://lesswrong.com/lw/k1/no_one_can_exempt_you_from_rationalitys_laws/ No One Can Exempt You From Rationality's Laws]
 
*[http://lesswrong.com/lw/k1/no_one_can_exempt_you_from_rationalitys_laws/ No One Can Exempt You From Rationality's Laws]
 
*[http://lesswrong.com/lw/qk/that_alien_message/ That Alien Message]
 
*[http://lesswrong.com/lw/qk/that_alien_message/ That Alien Message]
 +
 +
==See also==
 +
 +
*[[Rational evidence]], [[Evidence of absence]], [[Extraordinary evidence]]
 +
*[[Filtered evidence]]
 +
*[[Generalization from fictional evidence]]
 +
*[[Conservation of expected evidence]]
  
 
{{stub}}
 
{{stub}}
 
[[Category:Concepts]]
 
[[Category:Concepts]]

Revision as of 04:00, 29 September 2009

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Evidence for a given theory is the observation of an event that is more likely to occur if the theory is true than if it is false. (The event would be evidence against the theory if it is less likely if the theory is true.)

The likelihood ratio term from Bayes' theorem is greater than 1 if the event B is evidence of the theory A, and less than 1 if the event is evidence against the theory.

Blog posts

Posts by Eliezer Yudkowsky:

See also