On Wednesday, April 24, 2019 at 11:51:06 AM UTC-5, Bruno Marchal wrote:
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>
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> With mechanism, there is no choice: physics must be explained in term of 
> number’s dream statistics. The logic of this gives a quantum logic, mincing 
> nature confirming Mechanism (and its immaterialism).
>
> Until we get evidence for some matter (like observing a discrepancy 
> between the physics extracted from arithmetic), it is just premature to 
> assume some material world, especially for singularising some computations, 
> which would be like invoking a god, indeed.
>
> Bruno
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I don't get  "physics extracted form arithmetic":

There are dozens of so-called quantum-gravity theories that have been 
written over the past 40 years. Including the dark matter, dark energy, 
cosmological inflation variants, maybe dozens of dozens theories. Most on 
arXiv.

All these to some degree are just as good as the other in the sense that 
there is nothing wrong with their mathematics. You put "what follows from 
what" of one ot those theories in a theorem proving checking system and 
they should check out according to following mathematical rules.

The only way to "weed them out" is with data from observations of a 
supposedly actual real world out there. Doesn't that suggest an "external" 
material reality? Otherwise, why do experiments or record observations if 
all theories are "mathematically" neutral?

And there are formulations of QM (like Dowker's "histories") where there is 
no "quantum logic" involved.It can be dispensed with.

- pt

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