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Topic: Prove that 2n knights can be seated at the round table?
Replies: 1   Last Post: May 5, 2009 4:24 PM

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Posts: 1
From: sweden
Registered: 1/19/09
Prove that 2n knights can be seated at the round table?
Posted: Jan 19, 2009 4:40 AM
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Each of the 2n knights have at most n-1 enemies. Prove that the knights can be seated at the table, without any enemies next to them.

So, how do you formally prove this?

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