43 Comments

  1. Joe, love your show.
    I don't think you understood the differentiation he was making between a virtual, simple, small-number-of-rules based games like go or chess and the immense complexity of the real world. Extremely powerful computers can become tremendously proficient in the former but essentially helpless in the latter. Mathmatical models and supporting algorithms are computational and therefore can only be used to analyse things that can be computed. You used the word "creative" to describe the game-proficent program's performance. In human terms creativitly is a spontaneous expression not a result of millions of effectively rote repetitions until exploitable patterns emerge.

    The real world does not allow that type of problem solving. The complexity defies modeling. In computer terms nature is uncompressable. It cannot be adequately mimicked by anything less complicated than the universe itself. Any simulation, no matter how sophisticated, is easily falsifiable. In contrast, your mind does not need to see 10,000 pictures of a crocodile to recognize it a such. You are not performing a calculation or executing a comparative algorithm. You are reacting in real-time, effortlessly juggling and co-mingling a multitude of sensations with past experience.

    A good primer on the limits of calculabilty can be found in the basic concepts of Godelian mathmatics and insights into the nature of complex systems in Per Bak's "pile of sand" thought experiments.

    Cheers,

    JC

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