哲学
Online ISSN : 1884-2380
Print ISSN : 0387-3358
ISSN-L : 0387-3358
倫理学における認知主義とその帰結
パティキュラリストの動機付けの理論
田村 圭一
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ジャーナル フリー

2004 年 2004 巻 55 号 p. 206-217,30

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Cognitivism in ethics can be divided into two branches. One is naturalism and the other is intuitionism. Intuitionism is cognitivist internalism, that is, the claim that cognitive states, i. e., beliefs, can motivate an agent to action without the assistance of desires. But cognitivist internalism faces two kinds of problems, i. e., weakness of will and accidie. In order to clear cognitivist internalism of these difficulties, we have to revise Humean motivational theory. Humeanism is the claim that beliefs cannot motivate an agent without the assistance of relevant desires. Only desires can motivate in their own right and their motivation is necessary. T. Nagel's cognitiv-ist internalism and J. McDowell's are partially committed to Humeanism, because they tacitly admit that cognitive states should necessarily motivate. J. Dancy tries to revise Humeanism. According to him, cognitive states can motivate in their own right, but their motivation is contingent.
Dancy's cognitivist internalism accepts particularism, which adopts a holistic un-derstanding of the behaviour of moral reasons.Particularists reject the generalist as-sumption that a cognitive state which behaves in a given case in favour of an action should behave similarly in every case. Cognitivist internalists, therefore, can escape their traditional difficulties when they adopt particularism.

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