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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 22 Jul 2019
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      Sean Carrol: In my mind, and in all right-thinking people's minds, there is no connection between free will and determinism #FQXi2019 (I wonder how you can exert free will in a nondeterministic universe.)

      11 replies 3 retweets 19 likes
    2. Tymek Majewski‏ @astroherbatnik 13 Aug 2019
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      Replying to @Plinz

      I think deterministic is often used as in 'predictable' and there is a significant difference.

      1 reply 0 retweets 0 likes
      Joscha Bach‏ @Plinz 13 Aug 2019
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      Replying to @astroherbatnik

      Deterministic means that a function returns the same value every time, for the same inputs. This means it compresses a portion of the universe independently of time, but often, you may not predict it. Indeterministic functions always imply unpredictability.

      5:58 AM - 13 Aug 2019
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      5 replies 0 retweets 2 likes
        1. Tymek Majewski‏ @astroherbatnik 13 Aug 2019
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          Replying to @Plinz

          My comment was about language, and about how we talk about these things. My point is that often the ability (or perception of being able to) to predict behaviour is presented as a proof of something being deterministic.

          0 replies 0 retweets 0 likes
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        2. Tymek Majewski‏ @astroherbatnik 13 Aug 2019
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          Replying to @Plinz

          I think it's wrong to say that indeterminsm implies unpredictability even on a strict scientific level. Let's take a function that is random for x above 100, and y = 3x for x <= 100. Is it unpredictable? Maybe but if my input is always < then it is predictable.

          1 reply 0 retweets 0 likes
        3. Fear the Sphere‏ @FearTheSphere_ 14 Aug 2019
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          Replying to @astroherbatnik @Plinz

          So then part of that function is deterministic and part of it is random. As far as I can tell you can always at least theoretically reduce these functions down to a deterministic and a random part.

          0 replies 0 retweets 0 likes
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        2. Tymek Majewski‏ @astroherbatnik 13 Aug 2019
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          Replying to @Plinz

          Another point is precision. Let's take a f = random(0,1). I can predict that it's output is between [0 and 1). I can predict that after some throws more less 50% of results will be between 0 and 0.5.

          1 reply 0 retweets 0 likes
        3. Fear the Sphere‏ @FearTheSphere_ 14 Aug 2019
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          Replying to @astroherbatnik @Plinz

          Of course statistical predictability is always possible, but I don't see how that would be relevant. Randomness can still be defined as "lack of predictability", no matter if it can be approximated over a large number of events or not. Same goes for indeterminism.

          0 replies 0 retweets 0 likes
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        1. Tymek Majewski‏ @astroherbatnik 13 Aug 2019
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          Replying to @Plinz

          Btw. I'm sorry for spamming. Twitting presents some challenges when it comes to debating :)

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        2. Tymek Majewski‏ @astroherbatnik 13 Aug 2019
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          Replying to @Plinz

          Finally, I'd say that when we talk about determinism for humans then being deterministic means giving the same output no matter what the inputs are. I'm talking about destiny, grit, as in "He cycles no matter what the weather is". I'm not saying this is correct.

          1 reply 0 retweets 0 likes
        3. Fear the Sphere‏ @FearTheSphere_ 14 Aug 2019
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          Replying to @astroherbatnik @Plinz

          "Same output no matter the input" would mean that the human would only give one output repeatedly for it's entire lifespan. That's.... a bit strange. So more like "He cycles every second of his life no matter what happens around him".

          1 reply 0 retweets 0 likes
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