Anonymous, neutral, and strategy-proof rules on the Condorcet domain

- Characterization of the unique Condorcet winner rule.
- Anonymity and neutrality added to strategy-proofness for even n
- These conditions exclude counterexamples raised by Merrill (2011).

The Condorcet rule on the domain of profiles at which there exists a unique Condorcet winner is the unique rule satisfying anonymity, neutrality, and strategy-proofness.