More Bad Newsfor the Logical Autonomy of Ethics

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ID: 270945
2007
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Abstract
Since the time of Hume, many philosophers have thought it impossible to deduce an ‘Ought’ from an ‘Is,’ or in general to deduce ‘ethical sentences’ from purely ‘factual sentences.’ Some of these philosophers claim that this is due, not to any Special feature of ethics, but to a general feature of logic, namely, its conservativeness: A conclusion containing an ‘ought’ cannot (as a matter of logic) be derived from ‘ought’-free premises. (The same, of course, goes for the other moral words.) Logic is conservative; the conclusions of a valid inference are contained within the premises. You don't get out what you haven't put in. Hence if ‘ought’ appears in the conclusion of an argument but not in the premises, the inference is not logically valid.’
Reference Key
nelson2007canadianmore Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mark T. Nelson;Mark T. Nelson;
Journal canadian journal of philosophy
Year 2007
DOI
10.1353/cjp.2007.0018
URL
https://sciprofiles.com/publication/view/91363a21f8279ab7ee291b8d4daea6e4
Keywords
ethics deduce philosophers free premises special feature factual sentences bad newsfor logically valid

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