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Philosophy of law is a branch of
philosophy Philosophy (from , ) is the systematized study of general and fundamental questions, such as those about existence, reason, knowledge, values, mind, and language. Such questions are often posed as problems to be studied or resolved. Some ...
that examines the nature of law and law's relationship to other systems of norms, especially ethics and political philosophy. It asks questions like "What is law?", "What are the criteria for legal
validity Validity or Valid may refer to: Science/mathematics/statistics: * Validity (logic), a property of a logical argument * Scientific: ** Internal validity, the validity of causal inferences within scientific studies, usually based on experiments ** ...
?", and "What is the relationship between law and morality?" Philosophy of law and jurisprudence are often used interchangeably, though jurisprudence sometimes encompasses forms of reasoning that fit into economics or sociology. Philosophy of law can be sub-divided into analytical jurisprudence, and normative jurisprudence. Analytical jurisprudence aims to define what law is and what it is not by identifying law's essential features. Normative jurisprudence investigates both the non-legal norms that shape law and the legal norms that are generated by law and guide human action.


Analytical jurisprudence

Unlike experimental jurisprudence, which investigates the content our folk legal concepts using the methods of social science, analytical jurisprudence seeks to provide a general account of the nature of law through the tools of conceptual analysis. The account is general in the sense of targeting universal features of law that hold at all times and places. Whereas lawyers are interested in what the law is on a specific issue in a specific jurisdiction, philosophers of law are interested in identifying the features of law shared across cultures, times, and places. Taken together, these foundational features of law offer the kind of universal definition philosophers are after. The general approach allows philosophers to ask questions about, for example, what separates law from morality, politics, or practical reason. Often, scholars in the field presume that law has a unique set of features that separate it from other phenomena, though not all share the presumption. While the field has traditionally focused on giving an account of law's nature, some scholars have begun to examine the nature of domains within law, e.g. tort law, contract law, or criminal law. These scholars focus on what makes certain domains of law distinctive and how one domain differs from another. A particularly fecund area of research has been the distinction between tort law and criminal law, which more generally bears on the difference between civil and criminal law. Several schools of thought have developed around the nature of law, the most influential of which are: * Natural moral law theory, which asserts that law is inherent in nature and constitutive of morality, at least in part. On this view, while legislators can enact and even successfully enforce immoral laws, such laws are legally invalid. The view is captured by the maxim: an unjust law is not a true law, where 'unjust' means 'contrary to the natural law.' Natural law theory has medieval origins in the philosophy of Thomas Aquinas, especially in his ''
Treatise on law ''Treatise on Law'' is Thomas Aquinas' major work of legal philosophy. It forms questions 90–108 of the ''Prima Secundæ'' ("First artof the Second art) of the ''Summa Theologiæ'', Aquinas' masterwork of Scholastic philosophical theology. ...
''. In late 20th century, John Finnis revived interest in the theory and provided a modern reworking of it. * Legal positivism, which is the view that law depends primarily on social facts. Legal positivism has traditionally been associated with three doctrines: the pedigree thesis, the separability thesis, and the discretion thesis. The pedigree thesis says that the right way to determine whether a directive is law is to look at the directive's source. The thesis claims that it is the fact that the directive was issued by the proper official within a legitimate government, for example, that determines the directive's legal validity—not the directive's moral or practical merits. The separability thesis states that law is conceptually distinct from morality. While law might contain morality, the separability thesis states that "it is in no sense a necessary truth that laws reproduce or satisfy certain demands of morality, though in fact they have often done so." Legal positivists disagree about the extent of the separability thesis. Exclusive legal positivists, notably Joseph Raz, go further than the standard thesis and deny that it is possible for morality to be a part of law at all. The discretion thesis states that judges create new law when they are given discretion to adjudicate cases where existing law underdetermines the result. The earliest proponent of legal positivism was John Austin who was influenced by the writings of Jeremy Bentham in the early 19th century. Austin held that the law is the command of the sovereign backed by the threat of punishment. Contemporary legal positivism has long abandoned this view. In the twentieth century, two positivists had a profound influence on the field: Hans Kelsen and H. L. A. Hart. Kelsen is most influential for his notion of '
grundnorm Basic norm (german: Grundnorm) is a concept in the '' Pure Theory of Law'' created by Hans Kelsen, a jurist and legal philosopher. Kelsen used this word to denote the basic norm, order, or rule that forms an underlying basis for a legal system. Th ...
,' an ultimate and basic legal norm, which some scholars, especially in Europe, accept today. In the Anglophone world, Hart has been the most influential scholar. Hart rejected the earlier claim that sanctions are essential to law and instead argued that law is rule-based. According to Hart, law is a system of primary rules that guide the conduct of law's subjects, and secondary rules that regulate how the primary rules may be changed, identified, and adjudicated. Hart's theory, although widely admired, sparked vigorous debate among late twentieth century philosophers of law including Ronald Dworkin, John Rawls, Joseph Raz, and John Finnis. *
Legal realism Legal realism is a naturalistic approach to law. It is the view that jurisprudence should emulate the methods of natural science, i.e., rely on empirical evidence. Hypotheses must be tested against observations of the world. Legal realists be ...
, which asserts that law is the product of decisions made by courts, law enforcement, and attorneys, which are often decided on contradictory or arbitrary grounds. According to legal realism, law is not a rational system of rules and norms. Legal realism is critical of the idea that law has a nature that can be analyzed in the abstract. Instead, legal realists advocate an empirical approach to jurisprudence founded in social sciences and the actual practice of law in the world. For this reason, legal realism has often been associated with the sociology of law. In the United States, legal realism gained prominence in the late 19th century with Oliver Wendell Holmes and John Chipman Grey. Legal realism became influential in Scandinavia in the 20th century with
Axel Hägerström Axel Anders Theodor Hägerström (6 September 1868, Vireda – 7 July 1939, Uppsala) was a Swedish philosopher. Born in Vireda, Jönköping County, Sweden, he was the son of a Church of Sweden pastor. As student at Uppsala University, he gave ...
. * Legal interpretivism, which denies that law is source-based because law necessarily depends on human interpretation that is guided by the moral norms of communities. Given that judges have discretion to adjudicate cases in more than one way, legal interpretivism says that judges characteristically adjudicate in the way that best preserves the moral norms, institutional facts, and social practices of the societies in which they are a part. It is consistent with legal interpretivism that one cannot know whether a society has a legal system in force, or what any of its laws are, until one knows some moral truths about the justifications for the practices in that society. In contrast with legal positivism or legal realism, it is possible for the legal interpretivist to claim that ''no one'' in a society knows what its laws are (because no one may know the best justification of its practices.) Legal interpretivism originated with
Ronald Dworkin Ronald Myles Dworkin (; December 11, 1931 – February 14, 2013) was an American philosopher, jurist, and scholar of United States constitutional law. At the time of his death, he was Frank Henry Sommer Professor of Law and Philosophy at New Yo ...
in the late 20th century in his book '' Law's Empire.'' In recent years, debates about the nature of law have become increasingly fine-grained. One important debate exists within legal positivism about the separability of law and morality. Exclusive legal positivists claim that the legal validity of a norm never depends on its moral correctness. Inclusive legal positivists claim that moral considerations ''may'' determine the legal validity of a norm, but that it is not necessary that this is the case. Positivism began as an inclusivist theory; but influential exclusive legal positivists, including Joseph Raz, John Gardner, and Leslie Green, later rejected the idea. A second important debate, often called the "
Hart–Dworkin debate The Hart–Dworkin debate is a debate in legal philosophy between H. L. A. Hart and Ronald Dworkin. At the heart of the debate lies a Dworkinian critique of Hartian legal positivism, specifically, the theory presented in Hart's book ''Th ...
", concerns the battle between the two most dominant schools in the late 20th and early 21st century, legal interpretivism and legal positivism.


Normative jurisprudence

In addition to analytic jurisprudence, legal philosophy is also concerned with normative theories of law. "Normative jurisprudence involves normative, evaluative, and otherwise prescriptive questions about the law." For example, What is the goal or purpose of law? What moral or political theories provide a foundation for the law? Three approaches have been influential in contemporary moral and political philosophy, and these approaches are reflected in normative theories of law: * Utilitarianism is the view that laws should be crafted so as to produce the best consequences. Historically, utilitarian thought regarding law is associated with the philosopher Jeremy Bentham. In contemporary legal theory, the utilitarian approach is frequently championed by scholars who work in the law and economics tradition. * Deontology is the view that laws should reflect our obligation to preserve the autonomy and rights of others. Historically, deontological thought regarding law is associated with Immanuel Kant, who formulated one particularly prominent deontological theory of law. Another deontological approach can be found in the work of contemporary legal philosopher
Ronald Dworkin Ronald Myles Dworkin (; December 11, 1931 – February 14, 2013) was an American philosopher, jurist, and scholar of United States constitutional law. At the time of his death, he was Frank Henry Sommer Professor of Law and Philosophy at New Yo ...
. * Aretaic moral theories such as contemporary virtue ethics emphasize the role of character in morality.
Virtue jurisprudence In the philosophy of law, virtue jurisprudence is the set of theories of law related to virtue ethics. By making the aretaic turn in legal theory, virtue jurisprudence focuses on the importance of character and human excellence or virtue to questio ...
is the view that the laws should promote the development of virtuous characters by citizens. Historically, this approach is associated with Aristotle. Contemporary virtue jurisprudence is inspired by philosophical work on virtue ethics. There are many other normative approaches to the philosophy of law, including critical legal studies and
libertarian theories of law Libertarian theories of law build upon classical liberal and individualist doctrines. The defining characteristics of libertarian legal theory are its insistence that the amount of governmental intervention should be kept to a minimum and the p ...
.


Philosophical approaches to legal problems

Philosophers of law are also concerned with a variety of philosophical problems that arise in particular legal subjects, such as constitutional law, Contract law,
Criminal law Criminal law is the body of law that relates to crime. It prescribes conduct perceived as threatening, harmful, or otherwise endangering to the property, health, safety, and moral welfare of people inclusive of one's self. Most criminal law i ...
, and Tort law. Thus, philosophy of law addresses such diverse topics as theories of contract law, theories of criminal punishment, theories of tort liability, and the question of whether judicial review is justified.


Notable philosophers of law

* Socrates * Plato * Aristotle * Thomas Aquinas *
Hadley Arkes Hadley P. Arkes (born 1940) is an American political scientist and the Edward N. Ney Professor of Jurisprudence and American Institutions ''emeritus'' at Amherst College, where he has taught since 1966. He is currently the founder and director of t ...
* Francis Bacon *
John Locke John Locke (; 29 August 1632 – 28 October 1704) was an English philosopher and physician, widely regarded as one of the most influential of Age of Enlightenment, Enlightenment thinkers and commonly known as the "father of liberalism ...
* Francisco Suarez * Francisco de Vitoria *
Hugo Grotius Hugo Grotius (; 10 April 1583 – 28 August 1645), also known as Huig de Groot () and Hugo de Groot (), was a Dutch humanist, diplomat, lawyer, theologian, jurist, poet and playwright. A teenage intellectual prodigy, he was born in Delft ...
*
Benedict de Spinoza Baruch (de) Spinoza (born Bento de Espinosa; later as an author and a correspondent ''Benedictus de Spinoza'', anglicized to ''Benedict de Spinoza''; 24 November 1632 – 21 February 1677) was a Dutch philosopher of Portuguese-Jewish origin, b ...
*
John Austin (legal philosophy) John Austin (3 March 1790 – 1 December 1859) was an English legal theorist, who posthumously influenced British and American law with an analytical approach to jurisprudence and a theory of legal positivism. Austin opposed traditional approach ...
*
Frederic Bastiat Frederic may refer to: Places United States * Frederic, Wisconsin, a village in Polk County * Frederic Township, Michigan, a township in Crawford County ** Frederic, Michigan, an unincorporated community Other uses * Frederic (band), a Japanese r ...
*
Evgeny Pashukanis Evgeny Bronislavovich Pashukanis (Russian: Евгений Брониславович Пашуканис; 23 February 1891 – 4 September 1937) was a Soviet legal scholar, best known for his work ''The General Theory of Law and Marxism''. Early li ...
* Jeremy Bentham * Emilio Betti * Norberto Bobbio *
António Castanheira Neves António Castanheira Neves (born 8 November 1929 in Tábua) is a Portuguese legal philosopher and a professor emeritus at the law faculty of the University of Coimbra. According to Castanheira Neves, law can only be understood through ''legal pro ...
*
Jules Coleman Jules Leslie Coleman (born 1947) is a scholar of law and jurisprudence. He was the Wesley Newcomb Hohfeld Professor of Jurisprudence and Professor of Philosophy at Yale Law School until 2012. Jules currently is chief academic officer aMYX a new, ...
*
Ronald Dworkin Ronald Myles Dworkin (; December 11, 1931 – February 14, 2013) was an American philosopher, jurist, and scholar of United States constitutional law. At the time of his death, he was Frank Henry Sommer Professor of Law and Philosophy at New Yo ...
*
Francesco D'Agostino Francesco D'Agostino (9 February 1946 – 3 May 2022) was an Italian jurist, who specialised in philosophy of law and bioethics. Biography D'Agostino graduated from the University of Rome in 1968 with a degree in jurisprudence. He continued hi ...
*
Francisco Elías de Tejada y Spínola Francisco Elías de Tejada y Spínola Gómez (April 6, 1917 – February 18, 1978) was a Spanish scholar and a Carlist politician. He is considered one of top intellectuals of the Francoist era, though not necessarily of Francoism. As theorist o ...
*
Carlos Cossio Carlos Cossio (February 3, 1903 – August 24, 1987) was an Argentinian militant University Reform of 1918, university reformer, jurist, lawyer, philosophy of law, legal philosopher and professor. One of his most important works is the concept of t ...
* Miguel Reale * John Finnis *
Lon L. Fuller Lon Luvois Fuller (June 15, 1902 – April 8, 1978) was an American legal philosopher, who criticized legal positivism and defended a secular and procedural form of natural law theory. Fuller was a professor of Law at Harvard University for many ...
* Leslie Green *
Robert P. George Robert Peter George (born July 10, 1955) is an American legal scholar, political philosopher, and public intellectual who serves as the sixth McCormick Professor of Jurisprudence and Director of the James Madison Program in American Ideals and ...
*
Germain Grisez Germain Gabriel Grisez (September 30, 1929 – February 1, 2018) was a French-American philosopher. Grisez's development of ideas from Thomas Aquinas has redirected Catholic thought and changed the way it has engaged with secular moral philosophy. ...
* H. L. A. Hart * Georg Wilhelm Friedrich Hegel * Oliver Wendell Holmes, Jr. *
Alf Ross Alf Niels Christian Ross (10 June 1899 – 17 August 1979) was a Danish jurist, legal philosopher and judge of the European Court of Human Rights (1959–1971). He is best known as one of the leading figures of Scandinavian legal realism. His deb ...
* Tony Honoré * Rudolf Jhering * Immanuel Kant *
Johann Gottlieb Fichte Johann Gottlieb Fichte (; ; 19 May 1762 – 29 January 1814) was a German philosopher who became a founding figure of the philosophical movement known as German idealism, which developed from the theoretical and ethical writings of Immanuel Kan ...
* Hans Kelsen *
Joel Feinberg Joel Feinberg (October 19, 1926 in Detroit, Michigan – March 29, 2004 in Tucson, Arizona) was an American political and legal philosopher. He is known for his work in the fields of ethics, action theory, philosophy of law, and political phil ...
* David Lyons * Robert Alexy *
Reinhold Zippelius Reinhold Zippelius (born 19 May 1928) is a German jurist and law scholar. Now retired, he was formerly the professor of the Philosophy of law and Public law at the University of Erlangen-Nuremberg. Life and career Reinhold Walter Zippelius was ...
* Neil MacCormick *
William E. May William E. May (May 27, 1928 – December 13, 2014) was an American theologian who was the Michael J. McGivney Emeritus Professor of Moral Theology at the Pontifical John Paul II Institute for Studies on Marriage and Family at The Catholic Univer ...
*
Martha Nussbaum Martha Craven Nussbaum (; born May 6, 1947) is an American philosopher and the current Ernst Freund Distinguished Service Professor of Law and Ethics at the University of Chicago, where she is jointly appointed in the law school and the philosoph ...
* Gustav Radbruch * Joseph Raz * Jeremy Waldron * Friedrich Carl von Savigny *
Robert Summers Robert Summers (June 22, 1922 – April 17, 2012) was an American economist and professor at the University of Pennsylvania, where he taught from 1960. A widely cited early work by Summers is on the small-sample statistical properties of alternate ...
* Roberto Unger * Catharine MacKinnon * John Rawls *
Pierre Schlag Pierre Schlag (born March 3, 1954) is a legal theorist and the Byron R. White Professor at the University of Colorado Law School. Generally associated with the critical legal studies movement and school of legal thought, his contributions to the m ...
*
Robin West Robin West (born 1954) is the Frederick J. Haas Professor of Law and Philosophy and Associate Dean (Research and Academic Programs) at the Georgetown University Law Center. West's research is primarily concerned with feminist legal theory, consti ...
* Carl Schmitt *
Jürgen Habermas Jürgen Habermas (, ; ; born 18 June 1929) is a German social theorist in the tradition of critical theory and pragmatism. His work addresses communicative rationality and the public sphere. Associated with the Frankfurt School, Habermas's wor ...
*
Carlos Santiago Nino Carlos Santiago Nino (3 November 194329 August 1993) was an Argentine moral, legal and political philosopher. Biography Nino studied law at the University of Buenos Aires and at the University of Oxford, where he received his Ph.D. in 1977 with a ...
*
Geoffrey Warnock Sir Geoffrey James Warnock (16 August 19238 October 1995) was an English philosopher and Vice-Chancellor of Oxford University. Before his knighthood (in the 1986 New Year Honours), he was commonly known as G. J. Warnock. Life Warnock was born ...
*
Scott J. Shapiro Scott Jonathan Shapiro is the Charles F. Southmayd Professor of Law and Philosophy at Yale Law School and the Director of Yale's Center for Law and Philosophy and of the Yale CyberSecurity Lab. He received his B.A. in Philosophy from Columbia C ...
* Shen Buhai * Shang Yang * Han Fei * Zhu Xi


See also

* Legal maxim * Critical legal studies * Critical rationalism * Constitutional economics * Experimental jurisprudence * Indeterminacy debate in legal theory * Judicial activism * Jurisprudence * Justice * Law * Law and economics *
Law and literature The law and literature movement focuses on connections between law and literature. This field has roots in two developments in the intellectual history of law—first, the growing doubt about whether law in isolation is a source of value and mean ...
* Legal formalism * Interpretivism (legal) * Legal positivism *
Legal realism Legal realism is a naturalistic approach to law. It is the view that jurisprudence should emulate the methods of natural science, i.e., rely on empirical evidence. Hypotheses must be tested against observations of the world. Legal realists be ...
*
Libertarian theories of law Libertarian theories of law build upon classical liberal and individualist doctrines. The defining characteristics of libertarian legal theory are its insistence that the amount of governmental intervention should be kept to a minimum and the p ...
* Natural law *
Philosophy, theology, and fundamental theory of Catholic canon law The philosophy, theology, and fundamental theory of Catholic canon law are the fields of philosophical, theological (ecclesiological), and legal scholarship which concern the place of canon law in the nature of the Catholic Church, both as a natu ...
*
Rule of law The rule of law is the political philosophy that all citizens and institutions within a country, state, or community are accountable to the same laws, including lawmakers and leaders. The rule of law is defined in the ''Encyclopedia Britannica ...
* Rule according to higher law *
Virtue jurisprudence In the philosophy of law, virtue jurisprudence is the set of theories of law related to virtue ethics. By making the aretaic turn in legal theory, virtue jurisprudence focuses on the importance of character and human excellence or virtue to questio ...
*''
Mens rea In criminal law, (; Law Latin for "guilty mind") is the mental element of a person's intention to commit a crime; or knowledge that one's action (or lack of action) would cause a crime to be committed. It is considered a necessary element ...
'' *''
Actus reus (), sometimes called the external element or the objective element of a crime, is the Law Latin term for the "guilty act" which, when proved beyond a reasonable doubt in combination with the ("guilty mind"), produces criminal liability in th ...
''


References


Further reading

* Plato, ''Minos'' (many editions). * Plato, ''Laws'' (many editions). * * Thomas Aquinas, ''Summa Contra Gentiles'' (many editions). * Hadley Arkes, ''First Things'' (Princeton, New Jersey: Princeton University Press, 1986). * Ronald Dworkin, ''Taking Rights Seriously'' (Cambridge, Massachusetts: Harvard University Press, 1977). * Ronald Dworkin, ''A Matter of Principle'' (Cambridge, Massachusetts: Harvard University Press, 1986). * Ronald Dworkin, ''Law's Empire'' (Cambridge, Massachusetts: Harvard University Press, 1986). * Ronald Dworkin, ''Freedom's Law: The Moral Reading of the American Constitution'' (Cambridge, Massachusetts: Harvard University Press, 1997). * Lon L. Fuller, ''The Morality of Law'' (New Haven, CT: Yale University Press, 1965). * John Chipman Gray, ''The Nature and Sources of Law'' (Peter Smith, 1972, reprint). * H. L. A. Hart, ''The Concept of Law'' (Oxford: Oxford University Press, 1961). * H. L. A. Hart, ''Punishment and Responsibility'' (Oxford: Oxford University Press, 1968). * Sterling Harwood, ''Judicial Activism: A Restrained Defense'' (London: Austin & Winfield Publishers, 1996). * Georg Wilhelm Friedrich Hegel, ''Philosophy of Right'' (Oxford University Press 1967) * Ian Farrell & Morten Ebbe Juul Nielsen, ''Legal Philosophy: 5 Questions'', New York: Automatic Press, April 2007 * Oliver Wendell Holmes, Jr., ''The Common Law'' (Dover, 1991, reprint). * Immanuel Kant, ''Metaphysics of Morals (Doctrine of Right)'' (Cambridge University Press 2000, reprint). * Hans Kelsen, ''Pure Theory of Law'' (Lawbook Exchange Ltd., 2005, reprint). * Catharine MacKinnon, ''Toward a Feminist Theory of the State. (Cambridge: Harvard University Press, 1989). * Duncan Kennedy, ''A Critique of Adjudication'' (Cambridge, Massachusetts: Harvard University Press, 1998). * David Lyons, ''Ethics & The Rule of Law'' (Cambridge: Cambridge University Press, 1984). * David Lyons, ''Moral Aspects of Legal Theory'' (Cambridge: Cambridge University Press, 1993). * Neil MacCormick, ''Legal Reasoning and Legal Theory'' (Oxford: Oxford University Press, 1979). * Joseph Raz, ''The Authority of Law'' (Oxford: Oxford University Press, 1983, reprint). * Robert S. Summers, ''Instrumentalism and American Legal Theory'' (Ithaca, NY: Cornell University Press, 1982). * Robert S. Summers, ''Lon Fuller'' (Stanford, CA: Stanford University Press, 1984). * Roberto Mangabeira Unger, ''The Critical Legal Studies Movement'' (Cambridge, Massachusetts: Harvard University Press, 1986). * Jeffrie G. Murphy and Jules L. Coleman,'' The Philosophy of Law: An Introduction to Jurisprudence'' (Boulder, CO: Westview Press, 1989).


External links


Internet Encyclopedia of Philosophy: Philosophy of Law
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