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Preference-approval: Difference between revisions
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1) If a given voter prefers x over y, and approves y, then she must approve x.
2) If a given voter prefers x over y, and does not approve
3) If a given voter is indifferent between x and y, and approves x, then she must approve y.
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4) If a given voter is indifferent between x and y, and does not approve x, then she must approve y.
|x>y: "The voter prefers x over y, but approves neither."
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