Use Exercise 18 to show that in a group of people, there must be two people who

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Use Exercise 18 to show that in a group of people, there must be two people who are friends with the same number of other people in the group.

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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 01:52 AM

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Use Exercise 18 to show that in a group of people, there must be two people who

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Model the friendship relation with a simple undirected graph in which the vertic...View the full answer

Discrete Mathematics and Its Applications

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