David Wallace
speaker
1,940 appearances
2 recordings
1 series
first heard May 2025
last heard 20 Jul
David Wallace’s voice in public audio — every appearance, attributed to the second.
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Appearances
from these non-probabilistic assumptions of decision theory and quantum mechanics.
And that paper didn't get a lot of attention initially.
Um there was a
refutation or response to it written by a bunch of people in the sort of quantum mechanic quantum information space, people like um Howard Barnum, I think Chris Fuchs was one of the authors, Singelstein was on a bunch of people in that kind of
approach, wrote a quite interesting response paper to it.
Um, I thought they'd missed the point, which was that tacitly Deutsch was assuming the Everett interpretation, which you know, if you knew anything about Deutsch you knew was true, but he doesn't say so explicitly in the paper.
So I did a bunch of work that was initially about sort of exegesis of Deutsch and trying to
Yeah.
philosophically clarify and tidy up and reconstruct the arguments.
And then I got interested in how we could go beyond those arguments, how we could get stronger versions of Deutsch's proof.
So I got in started getting interested in
some of the general foundations of classical decision theory.
And I sort of did what Deutsch did, which is take these assumptions coming from classical decision theory plus the structure of quantum mechanics and put them together into a proof of the Born rule.
Um but I was doing it from a some I was interested in doing it from somewhat more um
n non committal and less uh arguably less controversial assumptions about decision theory.
Yeah, I mean that word kinda covers a constellation of of results.
I mean I normally use it to refer to the
um the kind of result I proved in my book and in earlier work that led to that.
Um Deutsch wasn't directly involved in that work, but it's very much inspired by um his um his earlier
Uh work on it.
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