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Thread: Does the premise, "Its turtles all the way down," have a leg to stand on?

  1. #31
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    First, assume a spherical turtle....
    At night the stars put on a show for free (Carole King)

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  2. #32
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    Quote Originally Posted by Tobin Dax View Post
    You might have just turned cosmology on it's head. Obviously, from that picture, it's turtles all the way up!
    No; the picture is just upside down. They are bench pressing the earth.

  3. #33
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    Quote Originally Posted by Nicolas View Post
    Finally someone agrees with me that 1.999...(infinite nines) equals 2.
    Except it doesn't...this is math we're talking about. Not some sloppy best guess and feelings will do discipline, like medicine or engineering...

  4. #34
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    Quote Originally Posted by BigDon View Post
    Except it doesn't...this is math we're talking about. Not some sloppy best guess and feelings will do discipline, like medicine or engineering...
    The word "infinite" is the key, Don. They are equal. There are a few older threads around on the topic (of 0.999... equaling 1), but I can't find them at the moment.

  5. #35
    Quote Originally Posted by BigDon View Post
    Except it doesn't...this is math we're talking about. Not some sloppy best guess and feelings will do discipline, like medicine or engineering...
    Somehow I want to expand on what Tobin Dax said in an attempt to keep this sidetrack short.

    In sloppy disciplines such as rocket engineering or brain surgery, we could agree that 1.9999 equals 2.
    In an exact discipline like math, we can never say that 1.9999 equals 2.
    However, in the exact discipline math, there is a definition of infinity that states that 1.999... (mathematically infinite nines) equals 2 by definition of infinity.

    Now there is a beatiful old thread to argue this point further (please don't ); the above is just the definitions as they are.

  6. #36
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    Since the Flat Earth hypothesis is largely disproven, it would have to be turtles all the way in, with the turtles at the Earth's core shrinking to infinitesimal size.
    STARGAZING: All I see are the lights of a billion places I'll never go. --Howard Tayler, Schlock Mercenary

  7. #37
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    Anyone here read Yertle the Turtle? The turtles get upset if you stack them too high.
    Solfe

    -----------------------------------------------------------------------------------

    'That was tops! Who's not good at math? I was all, "Four!"' - Finn, Adventure Time.

  8. #38
    Quote Originally Posted by Nicolas View Post
    Finally someone agrees with me that 1.999...(infinite nines) equals 2.
    I agree with you, even if I think the example seems more relevant to the equality of of 1.111...(base two) and 10 (base two).

  9. #39
    Given that it are 4 elephants on the back of a turtle supporting the earth, I'd suggest we use base 4 in this case.

  10. #40
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    Maybe it's one turtle with infinitely long legs.
    STARGAZING: All I see are the lights of a billion places I'll never go. --Howard Tayler, Schlock Mercenary

  11. #41
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    Maybe dark matter is made of turtles?
    At night the stars put on a show for free (Carole King)

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  12. #42
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    Quote Originally Posted by Swift View Post
    Maybe dark matter is made of turtles?
    So A'Tuin is swimming in an aether of quantum pico-turtle foam?
    STARGAZING: All I see are the lights of a billion places I'll never go. --Howard Tayler, Schlock Mercenary

  13. #43
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    We had some quantum pico-turtle foam in the terrarium before I cleaned it out.
    At night the stars put on a show for free (Carole King)

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