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Math question
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Author:  squintz [ Mon Jan 24, 2005 7:39 pm ]
Post subject:  Math question
I just got in an arguement with a friend over a number problem thing.
The arguement is that there are different sizes of infinity.
I think that there are.
Anyone here know the answer?
Author:  Whisp [ Mon Jan 24, 2005 7:44 pm ]
Post subject: 
my opinion,

It's not actually a number. It's a concept. It isn't limited by "size." Yes you can distinguish between infinitely small and infinitely large, but the "infinite" description means the same thing in both scenarios and does not imply small or large shape by itself.
Author:  squintz [ Mon Jan 24, 2005 7:47 pm ]
Post subject: 
My thought was on this: the # of real numbers between 2 and 3 compared to the # of real numbers between 2 and 4.

Wouldnt the first amount be larger than the second?

edit: nvmd, the concept thing makes sense. pardon my math retardedness.
Author:  Theterk [ Mon Jan 24, 2005 8:27 pm ]
Post subject:  Re: Math question
squintz wrote:
The arguement is that there are different sizes of infinity.
I think that there are.
well, infinity has no REAL number. now, there is positive and negative infinity, so from 0 to infinity = infinity; while -infinity to infinity is still infinity...
Author:  Parade [ Mon Jan 24, 2005 8:31 pm ]
Post subject: 
i am currently in geometry, so i wouldnt have a clue
Author:  Whisp [ Mon Jan 24, 2005 8:35 pm ]
Post subject: 
negative infinity is just infinity X -1 which doesnt change the characteristics of infinity itself
Author:  Whisp [ Mon Jan 24, 2005 8:36 pm ]
Post subject: 
also "infinitely small" is just 1/infinity which also doesn't change the characteristics of infinity itself
Author:  Havok [ Tue Jan 25, 2005 12:19 am ]
Post subject: 
Infinity is not a number, it is looked at as a limit, or in the case of infinity, the absense of a limit.

...only really makes sense if you have taken calculus though
Author:  Caduceus [ Tue Jan 25, 2005 2:49 am ]
Post subject: 
omgwtf doublepost...
Didn't notice til' today. See below for answer.

VVV
Author:  Caduceus [ Tue Jan 25, 2005 3:01 am ]
Post subject: 
Whisp pretty much hit the nail on the head. Infinity is a conecptual absence of limits.

www.dictionary.com wrote:
Unbounded space, time, or quantity.


So, you can't assign a number to infinity.
Author:  Hobo [ Tue Jan 25, 2005 3:46 am ]
Post subject: 
Well, there is the idea that a function can be countably infinite or uncountably infinite.

Not sure if thats what you mean though.
Author:  squintz [ Tue Jan 25, 2005 8:13 pm ]
Post subject: 
i am in teh ap calc. i just forgot my terms for a sec :(
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