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ROBERT NOZICK (/ˈnoʊzɪk/ ; November 16, 1938 – January 23, 2002) was an American philosopher . He held the Joseph Pellegrino University Professorship at Harvard University
Harvard University
, and was president of the American Philosophical Association . He is best known for his books _ Philosophical Explanations _ (1981), which included his counterfactual theory of knowledge, and _ Anarchy, State, and Utopia _ (1974), a libertarian answer to John Rawls ' _A Theory of Justice
Justice
_ (1971). His other work involved decision theory and epistemology .

CONTENTS

* 1 Personal life

* 2 Career and works

* 2.1 Political philosophy * 2.2 Epistemology
Epistemology
* 2.3 Later books * 2.4 Utilitarianism * 2.5 Philosophical method

* 3 Bibliography * 4 See also * 5 Notes * 6 Further reading * 7 External links

PERSONAL LIFE

Nozick was born in Brooklyn
Brooklyn
to a family of Kohenic descent. His mother was born Sophie Cohen, and his father was a Jew from the Russian shtetl who had been born with the name of Cohen and who ran a small business.

He attended the public schools in Brooklyn. At one point he joined the youth branch of Norman Thomas 's Socialist Party. In addition, at Columbia he founded the local chapter of the Student League for Industrial Democracy
Democracy
, which in 1962 changed its name to Students for a Democratic Society
Society
.

That same year, after receiving his bachelor of arts degree in 1959, he married Barbara Fierer. They had two children, Emily and David. The Nozicks eventually divorced and he remarried, to the poet Gjertrud Schnackenberg . He died in 2002 after a prolonged struggle with stomach cancer . He was interred at Mount Auburn Cemetery
Mount Auburn Cemetery
in Cambridge, Massachusetts
Cambridge, Massachusetts
.

CAREER AND WORKS

Nozick was educated at Columbia (A.B. 1959, _summa cum laude _), where he studied with Sidney Morgenbesser , and later at Princeton ( Ph.D. 1963) under Carl Hempel , and at Oxford as a Fulbright Scholar (1963–1964).

POLITICAL PHILOSOPHY

Main article: Anarchy, State, and Utopia

For _ Anarchy, State, and Utopia _ (1974) Nozick received a National Book Award in category Philosophy and Religion . There, Nozick argues that only a minimal state "limited to the narrow functions of protection against force, theft, fraud, enforcement of contracts, and so on" could be justified without violating people's rights. For Nozick, a distribution of goods is just if brought about by free exchange among consenting adults from a _just_ starting position, even if large inequalities subsequently emerge from the process. Nozick appealed to the Kantian idea that people should be treated as ends (what he termed 'separateness of persons'), not merely as a means to some other end.

Nozick challenged the partial conclusion of John Rawls ' Second Principle of Justice
Justice
of his _A Theory of Justice
Justice
_, that "social and economic inequalities are to be arranged so that they are to be of greatest benefit to the least-advantaged members of society." _Anarchy, State, and Utopia_ claims a heritage from John Locke 's _Second Treatise on Government _ and seeks to ground itself upon a natural law doctrine, but reaches some importantly different conclusions from Locke himself in several ways.

Most controversially, Nozick argued that a consistent upholding of the non-aggression principle would allow and regard as valid consensual or non-coercive enslavement contracts between adults. He rejected the notion of inalienable rights advanced by Locke and most contemporary capitalist-oriented libertarian academics, writing in _Anarchy, State, and Utopia_ that the typical notion of a "free system" would allow adults to voluntarily enter into non-coercive slave contracts .

EPISTEMOLOGY

In _ Philosophical Explanations _ (1981), which received the Phi Beta Kappa Society
Society
's Ralph Waldo Emerson Award , Nozick provided novel accounts of knowledge , free will , personal identity , the nature of value , and the meaning of life. He also put forward an epistemological system which attempted to deal with both the Gettier problem and those posed by skepticism . This highly influential argument eschewed justification as a necessary requirement for knowledge. :ch. 7

Nozick's Four Conditions for S's knowing that P were:

* P is true * S believes that P * If it were the case that (not-P), S would not believe that P * If it were the case that P, S would believe that P

Nozick's third and fourth conditions are counterfactuals . He called this the "tracking theory" of knowledge. Nozick believed the counterfactual conditionals bring out an important aspect of our intuitive grasp of knowledge: For any given fact, the believer's method must reliably track the truth despite varying relevant conditions. In this way, Nozick's theory is similar to reliabilism . Due to certain counterexamples that could otherwise be raised against these counterfactual conditions, Nozick specified that:

* If P weren’t the case and S were to use M to arrive at a belief whether or not P, then S wouldn’t believe, via M, that P. * If P were the case and S were to use M to arrive at a belief whether or not P, then S would believe, via M, that P.

Where M stands for the method by which S came to arrive at a belief whether or not P.

A major criticism of Nozick's theory of knowledge is his rejection of the principle of deductive closure . This principle states that if S knows X and S knows that X implies Y, then S knows Y. Nozick's truth tracking conditions do not allow for the principle of deductive closure. Nozick believes that the truth tracking conditions are more fundamental to human intuition than the principle of deductive closure.

LATER BOOKS

_ The Examined Life _ (1989), pitched to a broader public, explores love, death, faith, reality, and the meaning of life. According to Stephen Metcalf , Nozick expresses serious misgivings about capitalist libertarianism, going so far as to reject much of the foundations of the theory on the grounds that personal freedom can sometimes only be fully actualized via a collectivist politics and that wealth is at times justly redistributed via taxation to protect the freedom of the many from the potential tyranny of an overly selfish and powerful few. Nozick suggests that citizens who are opposed to wealth redistribution which fund programs they object to, should be able to opt out by supporting alternative government approved charities with an added 5% surcharge. However, Jeff Riggenbach has noted that "...in an interview conducted in July 2001, he stated that he had never stopped self-identifying as a libertarian. And Roderick Long reports that in his last book, _ Invariances _, identified voluntary cooperation as the 'core principle' of ethics, maintaining that the duty not to interfere with another person's 'domain of choice' is 'll that any society should (coercively) demand'; higher levels of ethics, involving positive benevolence, represent instead a 'personal ideal' that should be left to 'a person's own individual choice and development.' And that certainly sounds like an attempt to embrace libertarianism all over again. My own view is that Nozick's thinking about these matters evolved over time and that what he wrote at any given time was an accurate reflection of what he was thinking at that time."

_ The Nature of Rationality _ (1993) presents a theory of practical reason that attempts to embellish notoriously spartan classical decision theory . _ Socratic Puzzles _ (1997) is a collection of papers that range in topic from Ayn Rand
Ayn Rand
and Austrian economics to animal rights . A thesis claims that "social ties are deeply interconnected with vital parts of Nozick's later philosophy", citing these two works as a development of _The Examined Life_. His last production, _Invariances_ (2001), applies insights from physics and biology to questions of objectivity in such areas as the nature of necessity and moral value .

UTILITARIANISM

Nozick created the thought experiment of the "utility monster " to show that average utilitarianism could lead to a situation where the needs of the vast majority were sacrificed for one individual. He also wrote a version of what was essentially a previously-known thought experiment, The Experience Machine , in an attempt to show that ethical hedonism was false. Nozick asked us to imagine that "superduper neuropsychologists" have figured out a way to stimulate a person's brain to induce pleasurable experiences. : 210–11 We would not be able to tell that these experiences were not real. He asks us, if we were given the choice, would we choose a machine-induced experience of a wonderful life over real life? Nozick says no, then asks whether we have reasons not to plug into the machine and concludes that since it does not seem to be rational to plug in, ethical hedonism must be false.

PHILOSOPHICAL METHOD

_ This section DOES NOT CITE ANY SOURCES . Please help improve this section by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2016)_ _(Learn how and when to remove this template message )_

Nozick was notable for the exploratory style of his philosophizing and for his methodological ecumenism . Often content to raise tantalizing philosophical possibilities and then leave judgment to the reader, Nozick was also notable for drawing from literature outside of philosophy (e.g., economics , physics , evolutionary biology ).

BIBLIOGRAPHY

* _ Anarchy, State, and Utopia _ (1974) ISBN 0-631-19780-X * _ Philosophical Explanations _ (1981) ISBN 0-19-824672-2 * _ The Examined Life _ (1989) ISBN 0-671-72501-7 * _ The Nature of Rationality _ (1993/1995) ISBN 0-691-02096-5 * _ Socratic Puzzles _ (1997) ISBN 0-674-81653-6 * _Invariances: The Structure of the Objective World _ (2001/2003) ISBN 0-674-01245-3

SEE ALSO

* _ Libertarianism portal * Philosophy portal

* American philosophy * Liberalism * List of American philosophers * List of liberal theorists * A Theory of Justice: The Musical! _ – in which a fictional Nozick is one of the characters

NOTES

* ^ For biographies, memorials, and obituaries see:

* Feser, Edward (May 4, 2005). " Robert Nozick
Robert Nozick
(1938–2002)". _ Internet Encyclopedia of Philosophy _. * "Obituary:Professor Robert Nozick". _ Daily Telegraph
Daily Telegraph
_. 28 Jan 2002. Retrieved 17 April 2017. * Ryan, Alan (12 April 2014). "Obituary: Professor Robert Nozick". The Independent
The Independent
. Retrieved 17 April 2017. * Schaefer, David Lewis. " Robert Nozick
Robert Nozick
and the Coast of Utopia". _The New York Sun_. Retrieved 17 April 2017. * O'Grady, Jane (1 February 2007). "Robert Nozick: Leftwing political philosopher whose rightward shift set the tone for the Reagan-Thatcher era". _The Guardian_. Retrieved 17 April 2017. correction from original of 26 January 2002 * Philosopher
Philosopher
Nozick dies at 63 From the Harvard Gazette Archived 2012-09-18 at the Wayback Machine . * Robert Nozick
Robert Nozick
Memorial minute Archived 2006-01-04 at the Wayback Machine .

* ^ "National Book Awards – 1975" Archived 2011-09-09 at the Wayback Machine .. National Book Foundation . Retrieved 2012-03-08. * ^ Ellerman, David (September 2005). "_Translatio_ versus _Concessio_: Retrieving the Debate about Contracts of Alienation with an Application to Today’s Employment Contract" (PDF). _Politics & Society_. Sage Publications. 35 (3): 449-80. doi :10.1177/0032329205278463 . Retrieved 17 April 2017. * ^ A summary of the political philosophy of Robert Nozick
Robert Nozick
by R. N. Johnson Archived 2002-02-04 at the Wayback Machine . * ^ Jonathan Wolff (25 October 2007). "Robert Nozick, Libertarianism, And Utopia" * ^ Nozick on Newcomb\'s Problem and Prisoners\' Dilemma by S. L. Hurley Archived 2005-03-01 at the Wayback Machine . * ^ Robert Nozick: Against Distributive Justice
Justice
by R.J. Kilcullen Archived 2001-12-23 at the Wayback Machine . * ^ Why Do Intellectuals Oppose Capitalism? by Robert Nozick * ^ Robert Nozick, Philosopher
Philosopher
of Liberty
Liberty
by Roderick T. Long Archived 2007-02-05 at the Wayback Machine . * ^ _A_ _B_ Schmidtz, David (2002). _Robert Nozick_. Cambridge, UK: Cambridge University Press. ISBN 0-521-00671-6 . * ^ Keith Derose, Solving the Skeptical Problem * ^ Metcalf, Stephen (June 24, 2011). "The Liberty
Liberty
Scam: Why even Robert Nozick, the philosophical father of libertarianism, gave up on the movement he inspired". _slate.com_. Retrieved 17 April 2017. * ^ Nozick, Robert (1989). "The Zigzag of Politics", The Examined Life: Philosophical Meditations. Simon & Schuster. ISBN 978-0-671-72501-3 * ^ Riggenbach, Jeff (November 26, 2010). "Anarchy, State, and Robert Nozick". _Mises Daily_. Ludwig von Mises Institute . Retrieved 17 April 2017. * ^ Herbjørnsrud, Dag (2002). _Leaving Libertarianism: Social Ties in Robert Nozick\'s New Philosophy_. Oslo, Norway: University of Oslo.

FURTHER READING

* Cohen, G. A. (1995). " Robert Nozick
Robert Nozick
and Wilt Chamberlain: how patterns preserve liberty". _Self-Ownership, Freedom, and Equality_. Cambridge: Cambridge University Press. pp. 19–37. ISBN 978-0521471749 . OCLC
OCLC
612482692 . * Frankel Paul, Ellen; Fred D. Miller, Jr. and Jeffrey Paul (eds.), (2004) _Natural Rights
Rights
Liberalism from Locke to Nozick_, Cambridge University Press , ISBN 0521615143 * Frankel Paul, Ellen (2008). "Nozick, Robert (1938–2002)". In Hamowy, Ronald . _The Encyclopedia of Libertarianism_. Thousand Oaks, CA: SAGE Publications , Cato Institute
Cato Institute
. pp. 360–62. ISBN 978-1412965804 . LCCN 2008009151 . OCLC
OCLC
750831024 . doi :10.4135/9781412965811.n220 . * Mack, Eric (2014) Robert Nozick\'s Political Philosophy, Stanford Encyclopedia of Philosophy , June 22, 2014. * Robinson, Dave ;background:none transparent;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none;">v

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