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Plinz's profile
Joscha Bach
Joscha Bach
Joscha Bach
@Plinz

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Joscha Bach

@Plinz

FOLLOWS YOU. Artificial Intelligence, Cognitive Architectures, Computation. The goal is integrity, not conformity.

San Francisco, CA
bach.ai
Joined April 2009

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    1. Joscha Bach‏ @Plinz 13 Dec 2018
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      Joscha Bach Retweeted Andreas Wallraff

      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 …

      Joscha Bach added,

      Andreas Wallraff @AndreasAtETH
      What does the quantum state mean? “Word salad interpretation of quantum mechanics” versus “shut-up-and-calculate interpretation of quantum mechanics” . I am with ⁦@michael_nielsen⁩ on this matter. Go ahead and read his essay. ⁦⁦ http://cognitivemedium.com/qm-interpretation …
      2 replies 1 retweet 6 likes
    2. human evolution‏ @davidarredondo 16 Dec 2018
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      Replying to @Plinz

      Do you have a problem with Deutsch's multiverse explanation?

      1 reply 0 retweets 0 likes
    3. Joscha Bach‏ @Plinz 16 Dec 2018
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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.)

      4 replies 0 retweets 3 likes
    4. human evolution‏ @davidarredondo 16 Dec 2018
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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.

      1 reply 0 retweets 0 likes
    5. Joscha Bach‏ @Plinz 16 Dec 2018
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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.

      2 replies 0 retweets 0 likes
    6. human evolution‏ @davidarredondo 16 Dec 2018
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      Replying to @Plinz

      Ok. That makes more sense to me. Now how do we create more Knowledge?

      1 reply 0 retweets 0 likes
    7. Joscha Bach‏ @Plinz 16 Dec 2018
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      Replying to @davidarredondo

      For foundational physics, we probably already know enough observable constraints to automate the exploration of the theory space. We should stop tinkering by hand, except for fun.

      1 reply 1 retweet 0 likes
    8. human evolution‏ @davidarredondo 16 Dec 2018
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      Replying to @Plinz

      We agree on physics what about evolution?

      1 reply 0 retweets 0 likes
      Joscha Bach‏ @Plinz 16 Dec 2018
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      Replying to @davidarredondo

      evolution is like two lines of code, a general function that can explain increase in complexity but requires gluing a self replicator and a turing machine together, so the tm can take care of arbitrary state transitions; evolution needs to be understood as multilevel selection

      10:18 PM - 16 Dec 2018 from Cambridge, MA
      • 1 Like
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      3 replies 0 retweets 1 like
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        2. human evolution‏ @davidarredondo 16 Dec 2018
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          Replying to @Plinz

          So why is a self (or observer) needed to say this? Or at all in physics or elsewhere. It just confuses good explanations.

          1 reply 0 retweets 0 likes
        3. Joscha Bach‏ @Plinz 16 Dec 2018
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          Replying to @davidarredondo

          Self is a psychological/phenomenological entity. A model maintained by the mind that experiences a VR generated by the same mind. Physical observers are an artifact of describing the universe as separate interacting systems.

          2 replies 0 retweets 3 likes
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        2. human evolution‏ @davidarredondo 10 Jan 2019
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          Replying to @Plinz

          Two separate statements, correct? 1) need replicator and Turing together 2) evolution needs to be understood is multi-level selection. Can they be profitably separated for purposes of trying to understand ( learn) or should they be considered inextricable?

          1 reply 0 retweets 0 likes
        3. Joscha Bach‏ @Plinz 10 Jan 2019
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          Replying to @davidarredondo

          They are separate, but for evolution to happen in the physical universe you need a suitable computational substrate.

          2 replies 0 retweets 0 likes
        4. 1 more reply
        1. human evolution‏ @davidarredondo 16 Dec 2018
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          Replying to @Plinz

          Rodger that on multi-level explanations by the way.

          0 replies 0 retweets 0 likes
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