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What are numbers?

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Postby at1with0 » Tue Sep 04, 2012 5:59 pm

Natural, integral, rational, real, complex, hyper natural, hyper integral, hyper rational, hyper real, hyper complex, surreal, ordinal, cardinal....

Numbers abound.

And why is .999repeating = 1?
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Postby at1with0 » Wed Sep 05, 2012 11:10 am

Are they made by man?
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Postby greeney2 » Wed Sep 05, 2012 12:02 pm

I think we rode this merry-go-ground before! Rules of rounding prevails, defining what is practical or the application. .999=1 The fraction trick, and converting to decimals. What shell is the pea under!
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Postby at1with0 » Wed Sep 05, 2012 12:30 pm

The following two sequences are Cauchy equivalent:
{.9, .99, .999, .9999, .99999, .999999, etc.} and
{1, 1, 1, 1, 1, 1, etc.}

Meaning that .999repeating=1.

Let's start somewhere specifically
what is a real number? Did mankind create real numbers?
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Postby greeney2 » Wed Sep 05, 2012 9:46 pm

Its all beyond me! As long as my check book is a positive number, its real for me. :lol: Maybe your pal will come back and debate this to lunatic levels. You, kanster, and Dissintary or what ever his name is. :lol:
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Postby at1with0 » Thu Sep 06, 2012 7:16 am

greeney2 wrote:Its all beyond me! As long as my check book is a positive number, its real for me. :lol: Maybe your pal will come back and debate this to lunatic levels. You, kanster, and Dissintary or what ever his name is. :lol:


http://en.wikipedia.org/wiki/God_Created_the_Integers

God Created the Integers: The Mathematical Breakthroughs That Changed History is an anthology, edited by Stephen Hawking, of "excerpts from thirty-one of the most important works in the history of mathematics." The title of the book is a reference to a quotation attributed to mathematician Leopold Kronecker, who once wrote that "God made the integers; all else is the work of man."
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Postby chiselray » Fri Sep 07, 2012 5:58 am

is teh answer Jeff Beck ?
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Postby at1with0 » Fri Sep 07, 2012 7:02 am

Could be!
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Postby DIss0n80r » Fri Sep 07, 2012 10:01 am

greeney2 wrote:Its all beyond me! As long as my check book is a positive number, its real for me. :lol: Maybe your pal will come back and debate this to lunatic levels. You, kanster, and Dissintary or what ever his name is. :lol:


Taking shots at me in threads I haven't even posted in before? Okay.
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Postby DIss0n80r » Fri Sep 07, 2012 10:03 am

at1with0 wrote:Are they made by man?


Quantification is both objective and subjective.
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