Philosophy Word of the Day – Naturalistic Fallacy

“The relation between is/ought, fact/value, objectivity/normativity, and science/ethics all touch on the notion of the naturalistic fallacy. In general terms, this notion is an expression of the philosophical argument that one cannot infer from the one to the other; one cannot infer from is to ought, nor can one make an inference from scientific observations to ethical arguments. Any such attempt means committing the naturalistic fallacy. Historically, David Hume (1711–1776) and G. E. Moore (1873–1958) were the primary advocates of the invalidity of a moral argument based on such an inference.

“. . . The term naturalistic fallacy goes back to G. E. Moore, who in Principia Ethica (1903) argued that the notion of the good could not be based by reference to nonmoral entities. The good is a simple, indefinable concept, not composed by other nonmoral parts. This is precisely the problem of the naturalistic fallacy, which points to nature or to some other nonmoral entity and argues that this serves as the basis of moral normativity. Thereby the difference between these parts is ignored, as is the invalidity of inferring from one to the other. By committing the naturalistic fallacy, one would substitute “good” with a nonmoral property.” (continue article)

— Ulrik B. Nissen in Encyclopedia of Science and Religion

* It would seem that Sam Harris’s latest book, The Moral Landscape: How Science Can Determine Human Values, largely falls into the category of the naturalistic fallacy.

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Philosophy Word of the Day — John Locke’s Political Philosophy

John Locke, by Herman Verelst (died 1690). See...

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“John Locke (1632–1704) is among the most influential political philosophers of the modern period. In the Two Treatises of Government, he defended the claim that men are by nature free and equal against claims that God had made all people naturally subject to a monarch. He argued that people have rights, such as the right to life, liberty, and property, that have a foundation independent of the laws of any particular society. Locke used the claim that men are naturally free and equal as part of the justification for understanding legitimate political government as the result of a social contract where people in the state of nature conditionally transfer some of their rights to the government in order to better insure the stable, comfortable enjoyment of their lives, liberty, and property.

“Since governments exist by the consent of the people in order to protect the rights of the people and promote the public good, governments that fail to do so can be resisted and replaced with new governments. Locke is thus also important for his defense of the right of revolution. Locke also defends the principle of majority rule and the separation of legislative and executive powers. In the Letter Concerning Toleration, Locke denied that coercion should be used to bring people to (what the ruler believes is) the true religion and also denied that churches should have any coercive power over their members. Locke elaborated on these themes in his later political writings, such as the Second Letter on Toleration and Third Letter on Toleration.” (continue article)

— Alex Tuckness in Stanford Encyclopedia of Philosophy

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