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How a third choice can change an election winner

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The Independence of Irrelevant Alternatives mathematically tortures rank voting. If a group prefers option A over option B, logically, introducing a terrible third option C should not change that ranking. But paradoxically, adding an irrelevant alternative routinely splits voter blocks, causing the previously losing option B to mathematically suddenly win, proving group preferences are entirely volatile.

How a third choice can change an election winner
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