Show that in a group of 10 people (where any two people are either friends or enemies),

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Show that in a group of 10 people (where any two people are either friends or enemies), there are either three mutual friends or four mutual enemies, and there are either three mutual enemies or four mutual friends.

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Question Posted: May 03, 2016 01:39 AM

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Show that in a group of 10 people (where any two people are either friends or enemies),

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We can prove these statements using both the result and the method of Example 13 First note that the ...View the full answer

Discrete Mathematics and Its Applications

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