Difference between revisions of "Truth"

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==Blog posts==
 
==Blog posts==
*[http://www.overcomingbias.com/2006/11/why_truth_and.html Why truth? and...] by [[Eliezer Yudkowsky]] - You have an instrumental motive to care about the truth of your ''beliefs about'' anything you care about.
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*[http://lesswrong.com/lw/lz/guardians_of_the_truth/ Guardians of the Truth] by [[Eliezer Yudkowsky]] - Endorsing a concept of truth is not the same as endorsing a particular belief as eternally, absolutely, knowably true.
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=====Posts by [[Eliezer Yudkowsky]]:=====
*[http://lesswrong.com/lw/hp/feeling_rational/ Feeling Rational] by [[Eliezer Yudkowsky]] - Emotions cannot be true or false, but they can follow from true or false beliefs.
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*[http://lesswrong.com/lw/jz/the_meditation_on_curiosity/#tarski The Meditation on Curiosity] by [[Eliezer Yudkowsky]] - In particular, the [[Litany of Tarski]].
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*[http://www.overcomingbias.com/2006/11/why_truth_and.html Why truth? and...] - You have an instrumental motive to care about the truth of your ''beliefs about'' anything you care about.
*[http://lesswrong.com/lw/sf/fake_norms_or_truth_vs_truth/ "Truth" vs. Truth] by [[Eliezer Yudkowsky]] - Our society has a moral norm for applauding "truth", but actual truths get much less applause (this is a bad thing).
+
*[http://lesswrong.com/lw/lz/guardians_of_the_truth/ Guardians of the Truth] - Endorsing a concept of truth is not the same as endorsing a particular belief as eternally, absolutely, knowably true.
 +
*[http://lesswrong.com/lw/hp/feeling_rational/ Feeling Rational] - Emotions cannot be true or false, but they can follow from true or false beliefs.
 +
*[http://lesswrong.com/lw/jz/the_meditation_on_curiosity/#tarski The Meditation on Curiosity] - In particular, the [[Litany of Tarski]].
 +
*[http://lesswrong.com/lw/sf/fake_norms_or_truth_vs_truth/ "Truth" vs. Truth] - Our society has a moral norm for applauding "truth", but actual truths get much less applause (this is a bad thing).
  
 
[[Category:Concepts]]
 
[[Category:Concepts]]

Revision as of 22:10, 25 June 2009

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Correspondence between map and territory.

Alfred Tarski defined truth in terms of an infinite family of sentences such as:

"The sentence 'snow is white' is true if and only if snow is white."

To understand whether a belief is true, we need (only) to understand what possible states of the world would make it true or false, and then ask directly about the world.

'Truth' is a very simple concept, understood perfectly well by three-year-olds, but often made unnecessarily complicated by adults.

See also

Primary article

Blog posts

Posts by Eliezer Yudkowsky: