Truth

From Lesswrongwiki
Revision as of 22:10, 25 June 2009 by Vladimir Nesov (talk | contribs) (Blog posts)
Jump to: navigation, search
Smallwikipedialogo.png
Wikipedia has an article about


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: