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Ethical realism


Moral realism (also ethical realism or moral Platonism) is the position that ethical sentences express propositions that refer to objective features of the world (that is, features independent of subjective opinion), some of which may be true to the extent that they report those features accurately. This makes moral realism a non-nihilist form of ethical cognitivism with an ontological orientation, standing in opposition to all forms of moral anti-realism and moral skepticism, including ethical subjectivism (which denies that moral propositions refer to objective facts), error theory (which denies that any moral propositions are true); and non-cognitivism (which denies that moral sentences express propositions at all). Within moral realism, the two main subdivisions are ethical naturalism and ethical non-naturalism.

Many philosophers claim that moral realism may be dated back at least to Plato as a philosophical doctrine, and that it is a fully defensible form of moral doctrine. A survey from 2009 involving 3.226 respondents found that 56% of philosophers accept or lean towards moral realism (28%: anti-realism; 16%: other). Some notable examples of robust moral realists include David Brink,John McDowell, Peter Railton,Geoffrey Sayre-McCord,Michael Smith, Terence Cuneo,Russ Shafer-Landau,G. E. Moore,John Finnis, Richard Boyd, Nicholas Sturgeon,Thomas Nagel, Derek Parfit. Norman Geras has argued that Karl Marx was a moral realist. Moral realism has been studied in the various philosophical and practical applications.


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