Robert Nozick

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Robert Nozick
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Brooklyn, New York (state)>New York, U.S.20022311|16}}Cambridge, Massachusetts, U.S.}}Columbia University {{small>(Bachelor of Arts)}}Princeton University {{small>(Doctor of Philosophy)}}Oxford University {{small>(Fulbright Scholar)}}| era = 20th-century philosophy| region = Western philosophyAnalytic philosophy>AnalyticLibertarianism| main_interests = Political philosophy, ethics, epistemologyUtility monster, experience machine, justice as property rights, Nozick's Lockean proviso,HTTPS://PLATO.STANFORD.EDU/ARCHIVES/SUM2018/ENTRIES/NOZICK-POLITICAL/FIRST=ERICEDITOR-FIRST=EDWARD N.DATE=30 MAY 2019VIA=STANFORD ENCYCLOPEDIA OF PHILOSOPHY, Wilt Chamberlain argument, paradox of deontology,"How can a concern for the non-violation of C [i.e. some deontological constraint] lead to refusal to violate C even when this would prevent other more extensive violations of C?": Robert Nozick, Anarchy, State and Utopia, Basic Books (1974), p. 30 as quoted by Ulrike Heuer, "Paradox of Deontology, Revisited", in: Mark Timmons (ed.), Oxford Studies in Normative Ethics. Oxford University Press (2011). entitlement theory, deductive closure, Nozick's four conditions on knowledge| influences = John Locke{{·}}Immanuel Kant{{·}}John Stuart Mill{{·}}Friedrich von Hayek{{·}}Murray Rothbard{{·}}Sidney Morgenbesser{{·}}Carl Gustav Hempel{{·}}Edmund Gettier| influenced = Roderick Long{{·}}Jan Narveson{{·}}David Schmidtz{{·}}Tamar Gendler| doctoral_advisors = Carl Gustav Hempel}}{{Libertarianism in the United States sidebar|people}}Robert Nozick ({{IPAc-en|ˈ|n|oÊŠ|z|ɪ|k}}; November 16, 1938 â€“ January 23, 2002) was an American philosopher. He held the Joseph Pellegrino University Professorship at Harvard University,"Robert Nozick, 1938-2002". Proceedings and Addresses of the American Philosophical Association, November 2002: 76(2). 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 (1971), in which Nozick also presented his own theory of utopia as one in which people can freely choose the rules of the society they enter into. His other work involved ethics, decision theory, philosophy of mind, metaphysics and epistemology. His final work before his death, Invariances (2001), introduced his theory of evolutionary cosmology, by which he argues invariances, and hence objectivity itself, emerged through evolution across possible worlds.Dictionary of Modern American Philosophers, Volume 1, edited by John R. Shook, Thoemmes Press, 2005, p.1838

Personal life

Nozick was born in 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 Cohen and who ran a small business.NEWS,weblink Professor Robert Nozick, 2002, 2018-08-01, en-GB, 0307-1235, 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, which in 1962 changed its name to Students for a Democratic 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. Nozick died in 2002 after a prolonged struggle with stomach cancer.For biographies, memorials, and obituaries see:

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

For Anarchy, State, and Utopia (1974) Nozick received a National Book Award in category Philosophy and Religion."National Book Awards – 1975" {{webarchive|url= |date=2011-09-09 }}. National Book Foundation. Retrieved 2012-03-08.There, Nozick argues that only a minimal state limited to the narrow functions of protection against "force, fraud, theft, and administering courts of law"WEB,weblink Robert Nozick (1938—2002), Feser, Edward, Internet Encyclopedia of Philosophy, March 13, 2017, 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 of his A Theory of 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.JOURNAL, Ellerman, David, Translatio versus Concessio: Retrieving the Debate about Contracts of Alienation with an Application to Today's Employment Contract, Politics & Society, September 2005, 35, 3, 449–80, 10.1177/0032329205278463,weblink 17 April 2017, Sage Publications, A summary of the political philosophy of Robert Nozick by R. N. Johnson {{webarchive|url= |date=2002-02-04 }}Jonathan Wolff (25 October 2007). "Robert Nozick, Libertarianism, And Utopia"weblink" title="">Nozick on Newcomb's Problem and Prisoners' Dilemma by S. L. Hurley {{webarchive|url= |date=2005-03-01 }}Robert Nozick: Against Distributive Justice by R.J. Kilcullen {{webarchive|url= |date=2001-12-23 }}Why Do Intellectuals Oppose Capitalism? by Robert NozickRobert Nozick, Philosopher of Liberty by Roderick T. Long {{webarchive|url= |date=2007-02-05 }}


In Philosophical Explanations (1981), which received the Phi Beta Kappa 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.BOOK, Schmidtz, David, Robert Nozick, Cambridge University Press, Cambridge, UK, 2002, 0-521-00671-6, {{rp|ch. 7}}Nozick's four conditions for S's knowing that P were:
  1. P is true
  2. S believes that P
  3. If it were the case that (not-P), S would not believe that P
  4. 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.Keith Derose, Solving the Skeptical ProblemWhere 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.{{Citation needed|date=February 2019}}

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.WEB, Metcalf, Stephen, The Liberty Scam: Why even Robert Nozick, the philosophical father of libertarianism, gave up on the movement he inspired,weblink, 17 April 2017, June 24, 2011, 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.Nozick, Robert (1989). "The Zigzag of Politics", The Examined Life: Philosophical Meditations. Simon & Schuster. {{ISBN|978-0-671-72501-3}}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. Roderick Long reported that in his last book, Invariances, [Nozick] identified voluntary cooperation as the 'core principle' of ethics, maintaining that the duty not to interfere with another person's 'domain of choice' is '[a]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."JOURNAL, Riggenbach, Jeff, Anarchy, State, and Robert Nozick, Mises Daily, Ludwig von Mises Institute, November 26, 2010,weblink 17 April 2017, Furthermore, Julian Sanchez reported that "Nozick always thought of himself as a libertarian in a broad sense, right up to his final days, even as his views became somewhat less 'hardcore.'"Julian Sanchez, "Nozick, Libertarianism, and Thought Experiments".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 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.BOOK, Leaving Libertarianism: Social Ties in Robert Nozick's New Philosophy, Herbjørnsrud, Dag, University of Oslo, 2002, Oslo, Norway,weblink 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.


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.{{rp| 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

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).NEWS,weblink Cosmic Philosopher, Williams, Bernard, The New York Review of Books, 2018-08-01, en-US,


In his 2001 work, Invariances, Nozick introduces his theory of truth, in which he leans towards a deflationary theory of truth, but argues that objectivity arises through being invariant under various transformations. For instance, space-time is a significant objective fact because an interval involving both temporal and spatial separation is invariant, whereas no simpler interval involving only temporal or only spatial separation is invariant under Lorentz transformations. Nozick argues that invariances, and hence objectivity itself, emerged through a theory of evolutionary cosmology across possible worlds.Dictionary of Modern American Philosophers, Volume 1, edited by John R. Shook, A&C Black, 2005, p.1838


See also



Further reading

  • BOOK, Cohen, G. A., Self-Ownership, Freedom, and Equality, 1995, Cambridge University Press, Cambridge, 978-0521471749, 19–37, Gerald Cohen, Robert Nozick and Wilt Chamberlain: how patterns preserve liberty, 612482692,
  • Frankel Paul, Ellen; Fred D. Miller, Jr. and Jeffrey Paul (eds.), (2004) Natural Rights Liberalism from Locke to Nozick, Cambridge University Press, {{ISBN|0521615143}}
  • ENCYCLOPEDIA, Frankel Paul, Ellen, Ronald, Hamowy, Ronald Hamowy, The Encyclopedia of Libertarianism, Nozick, Robert (1938–2002),weblink 2008, SAGE Publications, Cato Institute, Thousand Oaks, CA, 10.4135/9781412965811.n220, 978-1412965804, 750831024, 2008009151, 360–62,
  • Mack, Eric (2014) Robert Nozick's Political Philosophy, Stanford Encyclopedia of Philosophy, June 22, 2014.
  • Robinson, Dave & Groves, Judy (2003). Introducing Political Philosophy. Icon Books. {{ISBN|184046450X}}.
  • Schaefer, David Lewis (2008) Robert Nozick and the Coast of Utopia, The New York Sun, April 30, 2008.
  • Wolff, Jonathan (1991), Robert Nozick: Property, Justice, and the Minimal State. Polity Press. {{ISBN|978-0745680453}}

External links

{{epistemology}}{{Libertarianism}}{{Social and political philosophy}}{{Authority control}}

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