© 2000 Todd Neller.  A.I.M.A. text figures © 1995 Prentice Hall.  Used by permission.
Why Are These Axioms Reasonable?
•de Finetti’s betting argument: Put your money where your beliefs are.
•If agent 1 has a set of beliefs inconsistent with the axioms of probability, then there exists a betting strategy for agent 2 that guarantees that agent 1 will lose money.
•practical results have made an even more persuasive arguments (e.g. Pathfinder medical diagnosis)