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Thread: disc as measuring device

  1. #1 disc as measuring device 
    Forum Freshman
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    Sep 2007
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    if we take concentric discs and make markings on them from 1 to 10. then any number can be obtained by rotating the discs.is it not?


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  3. #2  
    Universal Mind John Galt's Avatar
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    It is not.


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  4. #3  
    WYSIWYG Moderator marnixR's Avatar
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    if you had n disks marked 0 to 9 that would give you all integers between 0 and (10^n - 1)
    even if you had an infinite number of disks, you still only would have positive integers, missing out on any negative numbers or anything with a decimal point in it
    "Reality is that which, when you stop believing in it, doesn't go away." (Philip K. Dick)
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