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The Importance Of The Nonnaturalist Argument

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The ideas that form contemporary nonnaturalist thought can be derived from the work of G.E. Moore, a philosopher who worked in the late 19th and early 20th centuries. His book Principia Ethica is considered the foundation for the nonnaturalist argument and changed the way in which philosophers approach ethics as a whole. Matthew Chrisman, a modern philosopher who teaches and researches as the University of Edinburgh, wrote What is This Thing Called Metaethics?, a textbook on metaethics covering each major school of thought regarding metaethical inquiry. The premise of the nonnaturalist argument is that 1. There exists ethical facts that obtain objectivity (realism) and 2. These ethical facts differ from natural facts. In short, there are objective ethical facts, but these facts differ from the set of empirical facts (Chrisman 16). This is not to say empirical facts or evidence cannot be used in ethical deliberation; empirical data may be used in an ethical argument; however, the moral facts or judgements on what is right or wrong/ good or bad/ just or unjust/ etc. are not empirically knowable facts. Ethical facts are unique in that they are only found through methods characteristic of ethical thought (Chrisman 16; Moore 39).
Additionally, in What is This Thing Called Metaethics? Chrisman makes clear that the title nonnaturalism may be misleading because it could imply that moral facts are supernatural in that they are derived from God or some other supernatural being.

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