Question

What is meant by the naturalistic fallacy?

Answer 1

naturalistic fallacy" was introduced by British philosopher G. E. Moore in his 1903 book Principia Ethica. Moore argues it would befallacious to explain that which is good reductively in terms of natural properties such as "pleasant" or "desirable".

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Answer 2

Naturalistic fallacy. ... In philosophical ethics, the term "naturalistic fallacy" was introduced by British philosopher G. E. Moore in his 1903 book Principia Ethica. Moore argues it would be fallacious to explain that which is good reductively in terms of natural properties such as "pleasant" or "desirable".