Math Is Fun Forum
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#1 2006-03-23 11:46:36
- Ricky
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- Registered: 2005-12-04
- Posts: 3,791
Shortest math joke
Let ∈ < 0.
[Don't worry about it if you don't get it]
"In the real world, this would be a problem. But in mathematics, we can just define a place where this problem doesn't exist. So we'll go ahead and do that now..."
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#2 2006-03-23 12:26:32
- mathsyperson
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- Registered: 2005-06-22
- Posts: 4,900
Re: Shortest math joke
We should probably be worrying more if we do get it. 
Why did the vector cross the road?
It wanted to be normal.
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#3 2006-04-10 03:56:30
- KelvinKing
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- Registered: 2006-04-05
- Posts: 2
Re: Shortest math joke
not understand......can u explain?
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#4 2006-04-10 04:15:45
- Ricky
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- Registered: 2005-12-04
- Posts: 3,791
Re: Shortest math joke
In dealing with limits, sets, and sequences, just about every single proof starts off with the line:
Let ∈ > 0.
It reached a point where ∈ is pretty much just assumed to be a positive real number.
Last edited by Ricky (2006-04-10 04:16:32)
"In the real world, this would be a problem. But in mathematics, we can just define a place where this problem doesn't exist. So we'll go ahead and do that now..."
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