Chapter 02 of 5
The Rock-Paper-Scissors Cycle
Discover why group preferences can loop in irrational circles.
- The Origin
The Enlightenment Discovery
In 1785, the Marquis de Condorcet discovered a mathematical glitch in democracy. He realized that collective decisions can be irrational even if individuals are perfectly logical.
- Core Concept
Transitivity Defined
If you prefer apples to bananas and bananas to cherries, logic says you must prefer apples to cherries. This is called transitivity.
- The Glitch
Intransitive Outcomes
The Condorcet Paradox occurs when a group's combined preferences form a loop. The group prefers A to B, B to C, but C to A.
17 more cards in this chapter
Could you answer this?
In the Condorcet Paradox, what happens when a group ranks three candidates (A, B, and C)?
🗳️ Arrow’s Paradox: The Impossibility of Fair Voting
- 01The Democratic DreamExamine the intuitive assumption that collective will is easily measurable.
- 02The Rock-Paper-Scissors CycleDiscover why group preferences can loop in irrational circles.
- 03The Five Pillars of FairnessDefine Arrow's intuitive criteria for a perfect voting system.
- 04The General ImpossibilityWitness the mathematical proof that fair systems are logically impossible.
- 05Beyond the Ballot BoxLearn to navigate a world where the 'Will of the People' is a myth.