Philosophy of human rights

The philosophy of human rights attempts to examine the underlying basis of the concept of human rights and critically looks at its content and justification. Several theoretical approaches have been advanced to explain how and why the concept of human rights developed.

One of the oldest Western philosophies on human rights is that they are a product of a natural law, stemming from different philosophical or religious grounds. Other theories hold that human rights codify moral behavior which is a human social product developed by a process of biological and social evolution (associated with Hume). Human rights are also described as a sociological pattern of rule setting (as in the sociological theory of law and the work of Weber). These approaches include the notion that individuals in a society accept rules from legitimate authority in exchange for security and economic advantage (as in Rawls) – a social contract. The two theories that dominate contemporary human rights discussion are the interest theory and the will theory. Interest theory argues that the principal function of human rights is to protect and promote certain essential human interests, while will theory attempts to establish the validity of human rights based on the unique human capacity for freedom.

Natural law theories base human rights on a "natural" moral, religious or even biological order that is independent of transitory human laws or traditions.

Socrates and his philosophic heirs, Plato and Aristotle, posited the existence of natural justice or natural right (dikaion physikon, δικαιον φυσικον, Latin ius naturale). Of these, Aristotle is often said to be the father of natural law, although evidence for this is due largely to the interpretations of his work by Thomas Aquinas.

The development of this tradition of natural justice into one of natural law is usually attributed to the Stoics.

Some of the early Church Fathers sought to incorporate the until then pagan concept of natural law into Christianity. Natural law theories have featured greatly in the philosophies of Thomas Aquinas, Francisco Suárez, Richard Hooker, Thomas Hobbes, Hugo Grotius, Samuel von Pufendorf, and John Locke.

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