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Multiagent Systems

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Prof. Dr. Jürgen Dix · Department of Informatics, TUC <strong>Multiagent</strong> <strong>Systems</strong>, WS 06/07 263/731<br />

4. Decision Making (2) 1. Voting<br />

Definition 4.1 (Condorcet- Condition, Set)<br />

The Condorcet condition is the following: If a candidate x<br />

is chosen, then for any other candidate y, it must be the<br />

case that at least half the voters prefer x to y.<br />

The Condorcet set is the set of candidates that meet the<br />

Condorcet condition.<br />

1 2 3<br />

w 1 A B C<br />

w 2 B C A<br />

w 3 C B A<br />

Figure 10: A Tie, but Condorcet helps.

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