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what would the smart-stupid itself say, if you asked it for its opinion on the free-will
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question? I was just wondering if the two of you, who know so much about these
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things, wouldn't indulge me by explaining the issue, as you see it, to me.
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Crab: Achilles, you can't imagine how appropriate your question is. I only wish my
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pianist friend were here, because I know you'd be intrigued to hear what he could tell
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you on the subject. In his absence, I'd like to tell you a statement in a Dialogue at the
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end of a book I came across recently.
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Achilles: Not Copper, Silver, Gold: an Indestructible Metallic Alloy?
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Crab: No, as I recall, it was entitled Giraffes, Elephants, Baboons: an Equatorial
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Grasslands Bestiary-ox something like that. In any case, towards the end of the
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aforementioned Dialogue, a certain exceedingly droll character quotes Marvin
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Minsky on the question of free will. Shortly thereafter, while interacting with two
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other personages, this droll character quotes Minsky further on musical improvisation,
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the computer language LISP, and Godel's Theorem-and get this-all without giving one
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whit of credit to Minsky!
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Achilles: Oh, for shame!
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Crab: I must admit that earlier in the Dialogue, he hints that he WILL quote Minsky
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towards the end; so perhaps it's forgivable.
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Achilles: It sounds that way to me. Anyway, I'm anxious to hear the Minskian
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pronouncement on the free will question.
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Crab: Ah, yes... Marvin Minsky said, "When intelligent machines are constructed, we
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should not be surprised to find them as confused and as stubborn as men in their
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convictions about mind-matter, consciousness, free will, and the like."
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Achilles: I like that! Quite a funny thought. An automaton thinking it had free will! That's
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almost as silly as me thinking I didn't have free will! Tortoise: I suppose it never
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occurred to you, Achilles, that the three of us-you, myself, and Mr. Crab-might all be
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characters in a Dialogue, perhaps even one similar to the one Mr. Crab just
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mentioned. Achilles: Oh, it's occurred to me, of course. I suppose such fancies occur
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to every normal person at one time or another.
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Tortoise: And the Anteater, the Sloth, Zeno, even GOD-we might all be characters in a
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series of Dialogues in a book.
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Achilles: Sure, we might. And the Author might just come in and play the piano, too.
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Crab: That's just what I had hoped. But he's always late.
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Achilles: Whose leg do you think you're pulling? I know I'm not being controlled in any
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way by another mentality! I've got my own thoughts, I express myself as I wish-you
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can't deny that!
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Tortoise: Nobody denied any of that, Achilles. But all of what you say is perfectly
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consistent with your being a character in a Dialogue.
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Crab: The-
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Achilles: But-but-no! Perhaps Mr. C's article and my rebuttal have both
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been mechanically determined, but this I refuse to believe. I can accept physical
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determinism, but I cannot accept the idea that I am but a figment inside of someone
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else's mentality!
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Tortoise: It doesn't really matter whether you have a hardware brain, Achilles. Your will
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can be equally free, if your brain is just a piece of software inside someone else's
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hardware brain. And their brain, too, may be software in a yet higher brain .. .
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Achilles: What an absurd idea! And yet, I must admit, I do enjoy trying to find the
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cleverly concealed holes in your sophistry, so go ahead. Try to convince me. I'm
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game.
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Tortoise: Did it ever strike you, Achilles, that you keep somewhat unusual company?
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Achilles: Of course. You are very eccentric (I know you won't mind my saying so), and
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even Mr. Crab here is a weensy bit eccentric. (Pardon me, Mr. Crab.)
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Crab: Oh, don't worry about offending me.
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Tortoise: But Achilles, you've overlooked one of the most salient features of your
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acquaintances.
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Achilles: Which is.... ?
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Tortoise: That we're animals!
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Achilles: Well, well-true enough. You have such a keen mind. I would never have
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thought of formulating the facts so concisely.
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Tortoise: Isn't that evidence enough? How many people do you know who spend their
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time with talking Tortoises, and talking Crabs? Achilles: I must admit, a talking Crab
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is
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Crab: -an anomaly, of course.
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Achilles: Exactly; it is a bit of an anomaly-but it has precedents. It has occurred in
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literature.
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Tortoise: Precisely-in literature. But where in real life?
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Achilles: Now that you mention it, I can't quite say. I'll have to give it some thought. But
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that's not enough to convince me that I'm a character in a
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Dialogue. Do you have any other arguments?
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