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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Recordings per month over the last 12 months — 1 in all, peaking in Jul 2026 with 1.

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I don't think so, but I'm not a hundred percent sure I
Get what you mean there.
So oh but uh you're you're saying does it assume nun um non contextuality in the the sort of Gleason's theorem sense of it?
Um no, although
Yeah, the way
the the n non contextuality is a consequence of some of the things it does assume.
So to some extent it's giving you a a justification inside the Everett context of the non contextuality assumptions.
Um
So the uh do you know how technically wants an answer to this and I actually haven't thought about it for a while, so I may confuse myself.
A lot of what's going on in my versions of these proofs relies on the physicalization of the processes to which are ascribing probabilities.
So
If I um
If if if you have a framework where measurement is primitive, then of course it's a primitive matter as to whether you want a contextual and non-contextual probability assignment across measurements.
So if you just want to say, look, I am assigning measurements to algebras of Boolean algebras of of of of commuting projectors or whatever.
And to every physical measurement I do in the lab, there corresponds a projection valid measurement.
measure, a positive operating value measure.
Um, what's the rule for the correspondence?
Don't ask me, it's primitive, God told me.
If that's your starting point, then of course non-contextuality can't be
proved, it has to be assumed.
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