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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,812

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

**Doesn't that show how rigid we mathematicans are with proofs?**

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**Patrick****Real Member**- Registered: 2006-02-24
- Posts: 1,005

I'm not sure why you think we're(mathematicians) are rigid based on that link, but it's an interresting way to solve the problem. I knew it beforehand though

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**Ricky****Moderator**- Registered: 2005-12-04
- Posts: 3,791

I agree with ganesh. A typical person would try a bunch of ways, and after a while, give up concluding that there is no way to do it.

Come to think of it, my geometry teacher gave us this problem the first day of class when I was a freshman in highschool. Pretty cool problem.

"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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**Patrick****Real Member**- Registered: 2006-02-24
- Posts: 1,005

How does this make mathematicians *rigid* though?

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,812

Acceptance of proofs. Mathematicians no way accept a proof unless it passes the test 100%. Not 99.99%, only 100%.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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