Re: Decoherence and MWI

From: Bruno Marchal <marchal.domain.name.hidden>
Date: Tue, 24 May 2005 12:22:57 +0200

Le 23-mai-05, à 22:13, Patrick Leahy a écrit :

> There are also those who have thought very carefully about the issue
> and have come to a hyper-sophisticated philosophical position which
> allows them to fudge. I'm thinking particularly of the
> consistent-histories gang, including Murray Gell-Mann. I particularly
> liked Roland Omnes' version of this: "quantum mechanics can account
> for everything except actual facts". He thinks this is a *good* thing!


I don't think it is a good thing to abandon trying to answer questions.
It is the "don't ask" imperative. Actually I do believe Everett (and
Finkelstein, Paulette Fevrier, Graham, Hartle, and many others) are on
the track of succeeding to explain, well, not the actual fact
themselves, but the "correct belief" in "actual-factness".
Note that Omnes justifies some of his views (in particular on the
uniqueness of the universe, or of the outcome of experiments), by
invoking explicitly the abandon of the cartesian program, and accepting
some form of irrationalism.

Bruno

http://iridia.ulb.ac.be/~marchal/
Received on Tue May 24 2005 - 06:41:39 PDT

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