The Is-Ought Problem

自然辩证法

售   价:
1768.00
作      者
出  版 社
出版时间
2010年12月07日
装      帧
平装
ISBN
9789048147953
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页      码
344
语      种
英语
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图书简介
Can OUGHT be derived from IS? This book presents an investigation of this time-honored problem by means of alethic-deontic predicate logic. New in this study is the leitmotif of relevance: is-ought inferences indeed exist, but they are all irrelevant in a precise logical sense. New proof techniques establish this result for very broad classes of logics. A profound philosophical analysis of is-ought bridge principles supplements the logical study. The final results imply incisive limitations for the justifiability of ethics as oppo
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