On Thursday, May 30, 2019 at 10:03:30 PM UTC+2, Brent wrote:
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> On 5/30/2019 11:47 AM, Tomas Pales wrote:
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> On Thursday, May 30, 2019 at 8:02:12 PM UTC+2, Brent wrote: 
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>> I wonder if philosophers have noticed that properties can be separated 
>> from objects in quantum mechanics, c.f. Cheshire Cat experiments?
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> What does it mean that a property is "separated" from an object? That an 
> object loses a property? That happens all the time.
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> arXiv:1312.3775v1 [quant-ph] 13 Dec 2013
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> Brent
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So, they claim that a neutron can be spatially separated from its spin if 
they perform a "weak measurement". A weak measurement does not collapse the 
wave function, does it? So the neutron is still spread out as a wave and so 
is its spin, no? 

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