Extraordinary evidence

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)