I am partial to the idea that the quantum state is a state of knowledge (about a system that we can only observe during the time slices in which we exist, and with uncertainty about our own state), but Nielsen opens an important discussion that is rarely make explicit.https://twitter.com/AndreasAtETH/status/1073455979919040512 …
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Replying to @Plinz
Do you have a problem with Deutsch's multiverse explanation?
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Replying to @davidarredondo
I don't understand Deutsch so far. The parts I understand seem obvious, but I still fail to get the point of the whole enterprise. I am sure it is my fault and it will click. (His perspective on QM is different than mine, but I am less qualified than him to have a perspective.)
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Replying to @Plinz
My guess is that the parts that sound obvious are primarily Popper and so nothing new to you. Same for Darwin/Dawkins/Turing.
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Replying to @davidarredondo
If I would describe my own perspective, it is basically a finitist version of the Church Turing thesis as the fundamental law, and you can derive physics by generating all universe states and recovering the universe that must contain us as a thread by following its memories.
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Replying to @Plinz @davidarredondo
It is all integers, and you get quantum effects due to there being no space and no definite observer state, and irreducible uncertainty of the observer about its own ground state.
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Replying to @Plinz
*Sounds like* the laws of physics and evolution and Reality are subservient to mathematical model. Myself, no need for time either ( it's emergent) and why the athroprocentric * obsever* when discussing Reality?
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Absolute time is given by the increase in displacement of information with respect to location, between adjacent universe states. Observed time is the rate of change in the environment of the observer, and relative to the update rate of the observer.
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