Le 29-janv.-06, à 20:02, Brent Meeker a écrit :

I largely agree with Stathis. I note a subtle difference in language between Danny and Stathis. Danny refers to "believe in". I don't think a scientist ever "believes in" a theory.

All right, you use "believe in" (quote included!) for the "religious belief of the fundamentalist". Still I hope you agree that the scientist believes in its theory, if only to be able to acknowledge his theory is wrong when experiments refute it.
Cf Belief = B with (Bp -> p) NOT being a theorem!

That implies taking the theory as the foundation of all further beliefs. In fact most scientists don't "believe" any theory, except in the provisional sense of thinking them likely, or worth entertaining, or suggestive.

OK, but this is independent of the fact that, still, the scientist can "believe in" (in the scientist modest way of self-interrogation) in the *object* of his theory. Most naturalist "believe in" a physical universe, or a nature or whatever. We wouldn't discuss about a "theory of everything" if we were not believing in ... something.

Religious faith differs from ordinary belief and scientific hypothesizing not only by the lack of evidence but even more in the assertion of certainity.

I think everyone has religious faith. Today, a scientist who pretends no doing philosophy or theology, is just a scientist taking for granted Aristotle theology. No problem in case he is aware of the fact, so that, as a scientist, he can still be open to the idea that Aristotle theology can be falsified, but if he is not aware of the fact, then he will not been able to make sense of the data---a little like Roland Omnes who concludes his analysis of QM that there is a point where we need to abandon faith in ... reason. Personally, I consider that abandoning faith in reason in front of difficulties, is just worse that abandoning faith in truth (whatever it is).



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