 | Term | Definition |
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arrow's theorem def |
for an election with more than two candidates, it is impossible for a voting system to satisfy all five of arrow's conditions |
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universality syn |
unrestricted domain |
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universality def |
Individual voters can rank candidates in any possible preference order (w/o restrictions ex. trans.). |
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monotonicity syn |
"positive association of individual values" |
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monotonicity def |
If you're winning and you get more votes, you're still winning! |
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I.I.A. syn |
"independence of irrelevant alternatives" |
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I.I.A. def |
In deciding between A and B, you need only look at A and B. |
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"citizen sovereignty" syn |
"non-imposition" |
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"citizen sovereignty" def |
Every possible result (societal preference order) should be achievable somehow (by some set of individual preference orders). |
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Non-Dictatorship def |
The social choice function should not simply follow the preference order of a single individual voter while ignoring all others. |
