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Fredkin's paradox concerns the negative correlation between the ''difference'' between two options and the ''difficulty'' of deciding between them. Developed further, the paradox constitutes a major challenge to the possibility of pure instrumental rationality. Proposed by Edward Fredkin, it reads: "The more equally attractive two alternatives seem, the harder it can be to choose between them -- no matter that, to the same degree, the choice can only matter less." Thus, a decision-making agent might spend the most time on the least important decisions. An intuitive response to Fredkin's paradox is to calibrate decision-making time with the importance of the decision: to calculate the cost of optimizing into the optimization. However, this response is self-referential and spawns a new, recursive paradox: the decision-maker must now optimize the optimization of the optimization, and so on. ==See also== * Buridan's ass * Decision theory * Cybernetics * Parkinson's law of triviality * Tyranny of small decisions 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Fredkin's paradox」の詳細全文を読む スポンサード リンク
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