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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 27 Jan 2018
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      Joscha Bach Retweeted Christopher Altman

      Spoiler: it isn't. Anyone wants to me up on a bet against quantum supremacy in the next decade? And ever?https://twitter.com/coherence/status/957452301181992960 …

      Joscha Bach added,

      Christopher Altman @coherence
      The Era of Quantum Computing Is Here. Outlook: Cloudy | Quanta Magazine https://fb.me/85YzI0T7Z 
      5 replies 1 retweet 3 likes
    2. Rita J. King‏ @RitaJKing 27 Jan 2018
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      Replying to @Plinz

      Say more

      1 reply 0 retweets 0 likes
    3. Joscha Bach‏ @Plinz 27 Jan 2018
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      Replying to @RitaJKing

      If my hunch is correct, the Church Turing thesis turns out to be a physical law, and QM, while correct, is not an ontological theory.

      2 replies 1 retweet 4 likes
    4. Raphaël de Courville‏ @sableRaph 28 Jan 2018
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      Replying to @Plinz @RitaJKing

      Excuse the noob question, but what difference do you make between correct and ontological? And how do those compare to “having predictive power” or, to use your terms, “being a suitable encoding”?

      1 reply 0 retweets 0 likes
      Joscha Bach‏ @Plinz 28 Jan 2018
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      Replying to @sableRaph @RitaJKing

      Thermodynamics correctly describes the exchange of heat, yet heat does not really exist (i.e. is not ontological. Atoms and molecules are not hot, they just have a lot of speed differences, and heat is what you get when you zoom out and you cannot observe atoms directly.

      9:43 AM - 28 Jan 2018
      • 2 Likes
      • Rita J. King Raphaël de Courville
      1 reply 0 retweets 2 likes
        1. New conversation
        2. Raphaël de Courville‏ @sableRaph 28 Jan 2018
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          Replying to @Plinz @RitaJKing

          Thanks for your answer! Correct me if I’m misunderstanding, but do you mean to say that emergent properties don’t “exist” because they are caused? Wouldn’t that require the existence of some uncaused cause? I must be missing something.

          1 reply 0 retweets 1 like
        3. Joscha Bach‏ @Plinz 28 Jan 2018
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          Replying to @sableRaph @RitaJKing

          Yes, I would say that emergent properties are only apparent, with respect to a particular mode of observation, but there must also be some ground truth. We can conjecture that there is some Prime Mover, a first cause, but cannot make inferences beyond that. It's an embarrassment!

          1 reply 0 retweets 3 likes
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