Any voting rule with ≥3 candidates violates IIA, Pareto, or non-dictatorship
Voter Preferences (drag to rank)
Click candidates in order of preference (1st = best)
Voting Rule
Axiom Violations
Arrow's theorem: No rule on ≥3 candidates satisfies all three:
• IIA: outcome for {A,B} unchanged if C rankings shift
• Pareto: if everyone prefers A to B, A wins vs B
• Non-dictatorship: no voter always determines outcome