Extraordinary evidence

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Extraordinary evidence is evidence that turns an a priori highly unlikely event into an a posteriori likely event.

Blog posts

• Extraordinary Claims ARE Extraordinary Evidence by Robin Hanson
• Some Claims Are Just Too Extraordinary by Eliezer Yudkowsky

See also

• Evidence
• Belief update

References

• Robin Hanson (2007). When Do Extraordinary Claims Give Extraordinary Evidence?.  (PDF)