It has been claimed on this site that the fundamental question of rationality is "What do you believe, and why do you believe it?".
A good question it is, but I claim there is another of equal importance. I ask you, Less Wrong...
What are you doing?
And why are you doing it?
Why would having the beliefs have utility? Isn't utility a function of actions, as a rule?
There's no contradiction in thinking "A is unlikely" and yet acting as if A is true - otherwise no-one would wear seat belts.
The utility of having a belief is what is being considered in Pascal's wager, and is quite different from the utility of the belief itself.
The utility of a belief itself wouldn't sway you to choose one belief over another. Suppose againyou have the two beliefs X and Y, and they each have a certain utility if they are true. If X is true, then you "get" that utility, independently of whether you believed it or not, by virtue of it being true. For example, if there is utility to God existing, then there is that benefit of him existing whether you be... (read more)