----------------- HES POSTING ----------------- If preferences are like the real numbers then perfect knowledge over that space falls out as a theorem. To see this easily, consider the case when there is only one good, e.g., coffee. Then more is preferred to less is all you need to assume. From this you prove transitivity, etc. I guess this cultimates with von Neumann ... in *Games* von N and M don't even bother to use different symbols for preference and greater than ... It begins? A quarter says Samuelson. David M. Levy George Mason University ------------ FOOTER TO HES POSTING ------------ For information, send the message "info HES" to [log in to unmask]