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$\begingroup$ You beat me to it! I was going to say the four/five color theorem since this year, for a high school math circle ran at UBC, we had a lecture which stated the four color theorem, and proved the five color theorem. It went very well, and the students enjoyed it. $\endgroup$

Eric Naslund
– Eric Naslund

2011-05-10 20:59:32 +00:00
Commented May 10, 2011 at 20:59

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```
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