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Arbitrariness is the quality of being "determined by chance, whim, or impulse, and not by necessity, reason, or principle".〔http://www.thefreedictionary.com/arbitrariness〕 Arbitrary decisions are not necessarily the same as random decisions. For example, during the 1973 oil crisis, Americans were allowed to purchase gasoline only on odd-numbered days if their license plate was odd, and on even-numbered days if their license plate was even. The system was well-defined and not random in its restrictions; however, since license plate numbers are completely unrelated to a person's fitness to purchase gasoline, it was still an arbitrary division of people. Similarly, schoolchildren are often organized by their surname in alphabetical order, a non-random yet still arbitrary method, at least in cases where surnames are irrelevant. ==Law== ''Arbitrary'' comes from the Latin ''arbitrarius'', the source of ''arbiter''; someone who is tasked to judge some matter.〔(Online Etymology Dictionary ): "'deciding by one's own discretion,' from L. arbitrarius, from arbiter (see arbiter). The original meaning gradually to mean ‘capricious’ (1646) and ‘despotic’ (1642).”〕 An arbitrary legal judgment is a decision made at the discretion of the judge, not one that is fixed by law.〔Curtis, Thomas. ''(The London Encyclopaedia )'', page 565 (1829): “Arbitrary, and the words more immediately connected with it, signify that the decision of the arbiter is made in consequence of his own uncontrolled will, or in consequence of reasons which do not appear.”〕 In some countries, a prohibition of arbitrariness is enshrined into the constitution. Article 9 of the Swiss Federal Constitution theoretically overrides even democratic decisions in prohibiting arbitrary government action.〔(Federal Constitution of the Swiss Federation ). The Federal Authorities of the Swiss Confederation.〕 The US Supreme Court has overturned laws for having "no rational basis." A recent study of the U.S. asylum system suggests that arbitrariness in decision-making might be the cause of large disparities in outcomes between different adjudicators, a phenomenon described as refugee roulette. Article 330 of the Russian penal code defines 'Arbitrariness' as a specific crime, but with a very broad definition encompassing any 'actions contrary to the order presented by a law'. ==Philosophy== Arbitrary actions are closely related to teleology, the study of purpose. Actions lacking a ''telos'', a goal, are necessarily arbitrary. With no end to measure against, there can be no standard applied to choices, so all decisions are alike. Note that arbitrary or random methods in the standard sense of ''arbitrary'' may not qualify as arbitrary choices philosophically, if they were done in furtherance of a larger purpose; in the examples above, discipline in school and avoiding overcrowding at gas stations. Nihilism is the philosophy that believes that there is no purpose in the universe, and that ''every'' choice is arbitrary.〔Magnus, Bernd (1971). "Nihilism, Reason, and "The Good"." ''The Review of Metaphysics.'' 25 (2):292–310.〕 According to nihilism, the universe contains no value and is essentially meaningless. Because the universe and all of its constituents contain no higher goal for us to make subgoals from, all aspects of human life and experiences are completely arbitrary. There is no right or wrong decision, thought or practice, and whatever choice a human being makes is just as meaningless and empty as any other choice he or she could have made. Many brands of theism, the belief in a deity or deities, believe that everything has a purpose and that ''nothing'' is arbitrary. In these philosophies, God created the universe for a reason, and every event flows from that. Even seemingly random events cannot escape God's hand and purpose. This is somewhat related to the argument from design, the argument for God's existence because a purpose can be found in the universe. Arbitrariness is also related to ethics, the philosophy of decision-making. Even if a person has a goal, they may choose to attempt to achieve it in ways that may be considered arbitrary. Rationalism holds that knowledge comes about through intellectual calculation and deduction; many rationalists (though not all) apply this to ethics as well. All decisions should be made through reason and logic, not via whim or how one "feels" what is right. Randomness may occasionally be acceptable as part of a subtask in furtherance of a larger goal, but not in general. In semiotics, the general theory of signs, sign systems and sign processes, Saussure introduced the notion of arbitrariness according to which there is no necessary connection between the material sign (or ''signifier'') and the entity it refers to or denotes as its meaning (or ''signified'') as a mental concept or real object. 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「arbitrariness」の詳細全文を読む スポンサード リンク
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