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Modern philosophy is
philosophy Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, Value (ethics and social sciences), value, mind, and language. It is a rational an ...
developed in the
modern era The modern era or the modern period is considered the current historical period of human history. It was originally applied to the history of Europe and Western history for events that came after the Middle Ages, often from around the year 1500 ...
and associated with
modernity Modernity, a topic in the humanities and social sciences, is both a historical period (the modern era) and the ensemble of particular Society, socio-Culture, cultural Norm (social), norms, attitudes and practices that arose in the wake of the ...
. It is not a specific doctrine or school (and thus should not be confused with ''
Modernism Modernism was an early 20th-century movement in literature, visual arts, and music that emphasized experimentation, abstraction, and Subjectivity and objectivity (philosophy), subjective experience. Philosophy, politics, architecture, and soc ...
''), although there are certain assumptions common to much of it, which helps to distinguish it from earlier philosophy. The 17th and early 20th centuries roughly mark the beginning and the end of modern philosophy. How much of the
Renaissance The Renaissance ( , ) is a Periodization, period of history and a European cultural movement covering the 15th and 16th centuries. It marked the transition from the Middle Ages to modernity and was characterized by an effort to revive and sur ...
should be included is a matter for dispute; likewise, modernity may or may not have ended in the twentieth century and been replaced by
postmodernity Postmodernity (post-modernity or the postmodern condition) is the economic or cultural state or condition of society which is said to exist ''after'' modernity. Some schools of thought hold that modernity ended in the late 20th century – in th ...
. How one decides these questions will determine the scope of one's use of the term "modern philosophy."


Modern Western philosophy

How much of Renaissance intellectual history is part of modern philosophy is disputed: The
Early Renaissance Renaissance art (1350 – 1620) is the painting, sculpture, and decorative arts of the period of European history known as the Renaissance, which emerged as a distinct style in Italy in about AD 1400, in parallel with developments which occurr ...
is often considered less modern and more medieval compared to the later
High Renaissance In art history, the High Renaissance was a short period of the most exceptional artistic production in the Italian states, particularly Rome, capital of the Papal States, and in Florence, during the Italian Renaissance. Most art historians stat ...
. Later, by the 17th and 18th centuries, the major figures in
philosophy of mind Philosophy of mind is a branch of philosophy that deals with the nature of the mind and its relation to the Body (biology), body and the Reality, external world. The mind–body problem is a paradigmatic issue in philosophy of mind, although a ...
,
epistemology Epistemology is the branch of philosophy that examines the nature, origin, and limits of knowledge. Also called "the theory of knowledge", it explores different types of knowledge, such as propositional knowledge about facts, practical knowle ...
, and
metaphysics Metaphysics is the branch of philosophy that examines the basic structure of reality. It is traditionally seen as the study of mind-independent features of the world, but some theorists view it as an inquiry into the conceptual framework of ...
were roughly divided into two main groups. The "
Rationalists In philosophy, rationalism is the epistemological view that "regards reason as the chief source and test of knowledge" or "the position that reason has precedence over other ways of acquiring knowledge", often in contrast to other possible s ...
," mostly in France and Germany, argued all knowledge must begin from certain "
innate ideas In the philosophy of mind, innatism is the view that the mind is born with already-formed ideas, knowledge, and beliefs. The opposing doctrine, that the mind is a '' tabula rasa'' (blank slate) at birth and all knowledge is gained from experience ...
" in the mind. Major rationalists were Descartes,
Baruch Spinoza Baruch (de) Spinoza (24 November 163221 February 1677), also known under his Latinized pen name Benedictus de Spinoza, was a philosopher of Portuguese-Jewish origin, who was born in the Dutch Republic. A forerunner of the Age of Enlightenmen ...
,
Gottfried Leibniz Gottfried Wilhelm Leibniz (or Leibnitz; – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat who is credited, alongside Isaac Newton, Sir Isaac Newton, with the creation of calculus in ad ...
, and
Nicolas Malebranche Nicolas Malebranche ( ; ; 6 August 1638 – 13 October 1715) was a French Oratorian Catholic priest and rationalist philosopher. In his works, he sought to synthesise the thought of St. Augustine and Descartes, in order to demonstrate the ...
. The "
Empiricists In philosophy, empiricism is an epistemological view which holds that true knowledge or justification comes only or primarily from sensory experience and empirical evidence. It is one of several competing views within epistemology, along ...
," by contrast, held that knowledge must begin with sensory experience. Major figures in this line of thought are
John Locke John Locke (; 29 August 1632 (Old Style and New Style dates, O.S.) – 28 October 1704 (Old Style and New Style dates, O.S.)) was an English philosopher and physician, widely regarded as one of the most influential of the Enlightenment thi ...
,
George Berkeley George Berkeley ( ; 12 March 168514 January 1753), known as Bishop Berkeley (Bishop of Cloyne of the Anglican Church of Ireland), was an Anglo-Irish philosopher, writer, and clergyman who is regarded as the founder of "immaterialism", a philos ...
, and
David Hume David Hume (; born David Home; – 25 August 1776) was a Scottish philosopher, historian, economist, and essayist who was best known for his highly influential system of empiricism, philosophical scepticism and metaphysical naturalism. Beg ...
(These are retrospective categories, for which Kant is largely responsible). Ethics and political philosophy are usually not subsumed under these categories, though all these philosophers worked in
ethics Ethics is the philosophy, philosophical study of Morality, moral phenomena. Also called moral philosophy, it investigates Normativity, normative questions about what people ought to do or which behavior is morally right. Its main branches inclu ...
, in their own distinctive styles. Other important figures in
political philosophy Political philosophy studies the theoretical and conceptual foundations of politics. It examines the nature, scope, and Political legitimacy, legitimacy of political institutions, such as State (polity), states. This field investigates different ...
include
Thomas Hobbes Thomas Hobbes ( ; 5 April 1588 – 4 December 1679) was an English philosopher, best known for his 1651 book ''Leviathan (Hobbes book), Leviathan'', in which he expounds an influential formulation of social contract theory. He is considered t ...
and
Jean-Jacques Rousseau Jean-Jacques Rousseau (, ; ; 28 June 1712 – 2 July 1778) was a Republic of Geneva, Genevan philosopher (''philosophes, philosophe''), writer, and composer. His political philosophy influenced the progress of the Age of Enlightenment through ...
. In the late eighteenth century
Immanuel Kant Immanuel Kant (born Emanuel Kant; 22 April 1724 – 12 February 1804) was a German Philosophy, philosopher and one of the central Age of Enlightenment, Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works ...
set forth a groundbreaking philosophical system that claimed to bring unity to rationalism and empiricism. Whether or not he was right, he did not entirely succeed in ending philosophical disputes. Kant sparked a storm of philosophical work in Germany in the early nineteenth century, beginning with
German idealism German idealism is a philosophical movement that emerged in Germany in the late 18th and early 19th centuries. It developed out of the work of Immanuel Kant in the 1780s and 1790s, and was closely linked both with Romanticism and the revolutionary ...
. The characteristic theme of idealism was that the world and the mind equally must be understood according to the same categories; it culminated in the work of
Georg Wilhelm Friedrich Hegel Georg Wilhelm Friedrich Hegel (27 August 1770 – 14 November 1831) was a 19th-century German idealist. His influence extends across a wide range of topics from metaphysical issues in epistemology and ontology, to political philosophy and t ...
, who among many other things said in the Preface to his ''
Elements of the Philosophy of Right ''Elements of the Philosophy of Right'' (or ''Outlines of the Philosophy of Right''; ) is a work by Georg Wilhelm Friedrich Hegel published in 1820, though the book's original title page dates it to 1821. Hegel's most mature statement of his l ...
'' that "The real is rational; the rational is real." Hegel's work was carried in many directions by his followers and critics.
Karl Marx Karl Marx (; 5 May 1818 – 14 March 1883) was a German philosopher, political theorist, economist, journalist, and revolutionary socialist. He is best-known for the 1848 pamphlet '' The Communist Manifesto'' (written with Friedrich Engels) ...
appropriated both Hegel's
philosophy of history Philosophy of history is the philosophy, philosophical study of history and its academic discipline, discipline. The term was coined by the French philosopher Voltaire. In contemporary philosophy a distinction has developed between the ''specul ...
and the empirical ethics dominant in Britain, transforming Hegel's ideas into a strictly materialist form, setting the grounds for the development of a science of society.
Søren Kierkegaard Søren Aabye Kierkegaard ( , ; ; 5 May 1813 – 11 November 1855) was a Danes, Danish theologian, philosopher, poet, social critic, and religious author who is widely considered to be the first existentialist philosopher. He wrote critical tex ...
, in contrast, dismissed all
systematic philosophy Philosophical methodology encompasses the methods used to philosophize and the study of these methods. Methods of philosophy are procedures for conducting research, creating new theories, and selecting between competing theories. In addition to ...
as an inadequate guide to life and meaning. For Kierkegaard, life is meant to be lived, not a mystery to be solved.
Arthur Schopenhauer Arthur Schopenhauer ( ; ; 22 February 1788 – 21 September 1860) was a German philosopher. He is known for his 1818 work ''The World as Will and Representation'' (expanded in 1844), which characterizes the Phenomenon, phenomenal world as ...
took idealism to the conclusion that the world was nothing but the futile endless interplay of images and desires, and advocated
atheism Atheism, in the broadest sense, is an absence of belief in the Existence of God, existence of Deity, deities. Less broadly, atheism is a rejection of the belief that any deities exist. In an even narrower sense, atheism is specifically the ...
and
pessimism Pessimism is a mental attitude in which an undesirable outcome is anticipated from a given situation. Pessimists tend to focus on the negatives of life in general. A common question asked to test for pessimism is "Is the glass half empty or half ...
. Schopenhauer's ideas were taken up and transformed by
Nietzsche Friedrich Wilhelm Nietzsche (15 October 1844 – 25 August 1900) was a German philosopher. He began his career as a classical philologist, turning to philosophy early in his academic career. In 1869, aged 24, Nietzsche became the youngest pro ...
, who seized upon their various dismissals of the world to proclaim " God is dead" and to reject all systematic philosophy and all striving for a fixed truth transcending the individual. Nietzsche found this not grounds for pessimism, but the possibility of a new kind of freedom. 19th-century British philosophy came increasingly to be dominated by strands of
British Idealism A subset of absolute idealism, British idealism was a philosophical movement that was influential in Britain from the mid-nineteenth century to the early twentieth century. The leading figures in the movement were T. H. Green (1836–1882), F. ...
, which incorporated neo-Hegelian and German Idealist thought. As a reaction against this, figures such as
Bertrand Russell Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British philosopher, logician, mathematician, and public intellectual. He had influence on mathematics, logic, set theory, and various areas of analytic ...
and
George Edward Moore George Edward Moore (4 November 1873 – 24 October 1958) was an English philosopher, who with Bertrand Russell, Ludwig Wittgenstein and earlier Gottlob Frege was among the initiators of analytic philosophy. He and Russell began de-emphasiz ...
began moving in the direction of
analytic philosophy Analytic philosophy is a broad movement within Western philosophy, especially English-speaking world, anglophone philosophy, focused on analysis as a philosophical method; clarity of prose; rigor in arguments; and making use of formal logic, mat ...
, which was essentially an updating of traditional empiricism to accommodate the new developments in
logic Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure o ...
of the German mathematician
Gottlob Frege Friedrich Ludwig Gottlob Frege (; ; 8 November 1848 – 26 July 1925) was a German philosopher, logician, and mathematician. He was a mathematics professor at the University of Jena, and is understood by many to be the father of analytic philos ...
.


Renaissance philosophy

Renaissance humanism emphasized the value of human beings (see
Oration on the Dignity of Man The ''Oration on the Dignity of Man'' (''Oratio de hominis dignitate'' in Latin) is a public discourse composed in 1486 by Pico della Mirandola, an Italian scholar and philosopher of the Renaissance. It remained unpublished until 1496. The ''Pic ...
) and opposed
dogma Dogma, in its broadest sense, is any belief held definitively and without the possibility of reform. It may be in the form of an official system of principles or doctrines of a religion, such as Judaism, Roman Catholicism, Protestantism, or Islam ...
and
scholasticism Scholasticism was a medieval European philosophical movement or methodology that was the predominant education in Europe from about 1100 to 1700. It is known for employing logically precise analyses and reconciling classical philosophy and Ca ...
. This new interest in human activities led to the development of
political science Political science is the scientific study of politics. It is a social science dealing with systems of governance and Power (social and political), power, and the analysis of political activities, political philosophy, political thought, polit ...
with
The Prince ''The Prince'' ( ; ) is a 16th-century political treatise written by the Italian diplomat, philosopher, and Political philosophy, political theorist Niccolò Machiavelli in the form of a realistic instruction guide for new Prince#Prince as gener ...
of
Niccolò Machiavelli Niccolò di Bernardo dei Machiavelli (3 May 1469 – 21 June 1527) was a Florentine diplomat, author, philosopher, and historian who lived during the Italian Renaissance. He is best known for his political treatise '' The Prince'' (), writte ...
. Humanists differed from Medieval scholars also because they saw the natural world as mathematically ordered and pluralistic, instead of thinking of it in terms of purposes and goals. Renaissance philosophy is perhaps best explained by two propositions made by
Leonardo da Vinci Leonardo di ser Piero da Vinci (15 April 1452 - 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. While his fame initially rested o ...
in his notebooks: *All of our knowledge has its origins in our perceptions *There is no certainty where one can neither apply any of the mathematical sciences nor any of those which are based upon the mathematical sciences. In a similar way,
Galileo Galilei Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642), commonly referred to as Galileo Galilei ( , , ) or mononymously as Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a poly ...
based his
scientific method The scientific method is an Empirical evidence, empirical method for acquiring knowledge that has been referred to while doing science since at least the 17th century. Historically, it was developed through the centuries from the ancient and ...
on experiments but also developed mathematical methods for application to problems in physics. These two ways to conceive human knowledge formed the background for the principle of
Empiricism In philosophy, empiricism is an epistemological view which holds that true knowledge or justification comes only or primarily from sensory experience and empirical evidence. It is one of several competing views within epistemology, along ...
and
Rationalism In philosophy, rationalism is the Epistemology, epistemological view that "regards reason as the chief source and test of knowledge" or "the position that reason has precedence over other ways of acquiring knowledge", often in contrast to ot ...
respectively. List of Renaissance philosophers: *
Pico della Mirandola Giovanni Pico dei conti della Mirandola e della Concordia ( ; ; ; 24 February 146317 November 1494), known as Pico della Mirandola, was an Italian Renaissance nobleman and philosopher. He is famed for the events of 1486, when, at the age of 23, ...
* Nicolas of Cusa *
Giordano Bruno Giordano Bruno ( , ; ; born Filippo Bruno; January or February 1548 – 17 February 1600) was an Italian philosopher, poet, alchemist, astrologer, cosmological theorist, and esotericist. He is known for his cosmological theories, which concep ...
*
Galileo Galilei Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642), commonly referred to as Galileo Galilei ( , , ) or mononymously as Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a poly ...
*
Niccolò Machiavelli Niccolò di Bernardo dei Machiavelli (3 May 1469 – 21 June 1527) was a Florentine diplomat, author, philosopher, and historian who lived during the Italian Renaissance. He is best known for his political treatise '' The Prince'' (), writte ...
*
Michel de Montaigne Michel Eyquem, Seigneur de Montaigne ( ; ; ; 28 February 1533 – 13 September 1592), commonly known as Michel de Montaigne, was one of the most significant philosophers of the French Renaissance. He is known for popularising the the essay ...
*
Francisco Suárez Francisco Suárez (; 5 January 1548 – 25 September 1617) was a Spanish Jesuit priest, philosopher and theologian, one of the leading figures of the School of Salamanca movement. His work is considered a turning point in the history of second ...


Rationalism

Modern philosophy traditionally begins with
René Descartes René Descartes ( , ; ; 31 March 1596 – 11 February 1650) was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and Modern science, science. Mathematics was paramou ...
and his aphorism "
I think, therefore I am The Latin , usually translated into English as "I think, therefore I am", is the "first principle" of René Descartes's philosophy. He originally published it in French as , in his 1637 ''Discourse on the Method'', so as to reach a wider audi ...
". In the early seventeenth century the bulk of philosophy was dominated by
Scholasticism Scholasticism was a medieval European philosophical movement or methodology that was the predominant education in Europe from about 1100 to 1700. It is known for employing logically precise analyses and reconciling classical philosophy and Ca ...
, written by theologians and drawing upon
Plato Plato ( ; Greek language, Greek: , ; born  BC, died 348/347 BC) was an ancient Greek philosopher of the Classical Greece, Classical period who is considered a foundational thinker in Western philosophy and an innovator of the writte ...
,
Aristotle Aristotle (; 384–322 BC) was an Ancient Greek philosophy, Ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy, linguistics, economics, politics, psychology, a ...
, and early Church writings. Descartes argued that many predominant Scholastic metaphysical doctrines were meaningless or false. In short, he proposed to begin philosophy from scratch. In his most important work, ''
Meditations on First Philosophy ''Meditations on First Philosophy, in which the existence of God and the immortality of the soul are demonstrated'' (), often called simply the ''Meditations'', is a philosophical treatise by René Descartes first published in Latin in 1641. T ...
'', he attempts just this, over six brief essays. He tries to set aside as much as he possibly can of all his beliefs, to determine what if anything he knows for ''certain''. He finds that he can doubt nearly everything: the reality of physical objects,
God In monotheistic belief systems, God is usually viewed as the supreme being, creator, and principal object of faith. In polytheistic belief systems, a god is "a spirit or being believed to have created, or for controlling some part of the un ...
, his memories, history, science, even mathematics, but he cannot doubt that he is, in fact, doubting. He knows what he is thinking about, even if it is not true, and he knows that he is there thinking about it. From this basis, he builds his knowledge back up again. He finds that some of the ideas he has could not have originated from him alone, but only from God; he proves that God exists. He then demonstrates that God would not allow him to be systematically deceived about everything; in essence, he vindicates ordinary methods of science and reasoning, as fallible but not false. List of rationalist philosophers: * Christian Wolff *
René Descartes René Descartes ( , ; ; 31 March 1596 – 11 February 1650) was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and Modern science, science. Mathematics was paramou ...
*
Baruch Spinoza Baruch (de) Spinoza (24 November 163221 February 1677), also known under his Latinized pen name Benedictus de Spinoza, was a philosopher of Portuguese-Jewish origin, who was born in the Dutch Republic. A forerunner of the Age of Enlightenmen ...
*
Gottfried Leibniz Gottfried Wilhelm Leibniz (or Leibnitz; – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat who is credited, alongside Isaac Newton, Sir Isaac Newton, with the creation of calculus in ad ...


Empiricism

Empiricism is a
theory of knowledge Epistemology is the branch of philosophy that examines the nature, origin, and limits of knowledge. Also called "the theory of knowledge", it explores different types of knowledge, such as propositional knowledge about facts, practical knowledg ...
that opposes other theories of knowledge, such as rationalism,
idealism Idealism in philosophy, also known as philosophical realism or metaphysical idealism, is the set of metaphysics, metaphysical perspectives asserting that, most fundamentally, reality is equivalent to mind, Spirit (vital essence), spirit, or ...
and
historicism Historicism is an approach to explaining the existence of phenomena, especially social and cultural practices (including ideas and beliefs), by studying the process or history by which they came about. The term is widely used in philosophy, ant ...
. Empiricism asserts that knowledge comes (only or primarily) via sensory
experience Experience refers to Consciousness, conscious events in general, more specifically to perceptions, or to the practical knowledge and familiarity that is produced by these processes. Understood as a conscious event in the widest sense, experience i ...
as opposed to rationalism, which asserts that knowledge comes (also) from pure thinking. Both empiricism and rationalism are individualist theories of knowledge, whereas historicism is a
social epistemology Social epistemology refers to a broad set of approaches that can be taken in epistemology (the study of knowledge) that construes human knowledge as a collective achievement. Another way of characterizing social epistemology is as the evaluation ...
. While historicism also acknowledges the role of experience, it differs from empiricism by assuming that sensory data cannot be understood without considering the historical and cultural circumstances in which observations are made. Empiricism should not be mixed up with empirical research because different epistemologies should be considered competing views on how best to do studies, and there is near consensus among researchers that studies should be empirical. Today empiricism should therefore be understood as one among competing ideals of getting knowledge or how to do studies. As such empiricism is first and foremost characterized by the ideal to let observational data "speak for themselves", while the competing views are opposed to this ideal. The term empiricism should thus not just be understood in relation to how this term has been used in the history of philosophy. It should also be constructed in a way that makes it possible to distinguish empiricism from other epistemological positions in contemporary science and scholarship. In other words: Empiricism as a concept has to be constructed along with other concepts, which together make it possible to make important discriminations between different ideals underlying contemporary science. Empiricism is one of several competing views that predominate in the study of human knowledge, known as epistemology. Empiricism emphasizes the role of
experience Experience refers to Consciousness, conscious events in general, more specifically to perceptions, or to the practical knowledge and familiarity that is produced by these processes. Understood as a conscious event in the widest sense, experience i ...
and
evidence Evidence for a proposition is what supports the proposition. It is usually understood as an indication that the proposition is truth, true. The exact definition and role of evidence vary across different fields. In epistemology, evidence is what J ...
, especially
sensory perception Perception () is the organization, identification, and interpretation of sensory information in order to represent and understand the presented information or environment. All perception involves signals that go through the nervous syste ...
, in the formation of ideas, over the notion of innate ideas or
tradition A tradition is a system of beliefs or behaviors (folk custom) passed down within a group of people or society with symbolic meaning or special significance with origins in the past. A component of cultural expressions and folklore, common e ...
in contrast to, for example, rationalism which relies upon reason and can incorporate innate knowledge. List of empiricist philosophers: *
Francis Bacon Francis Bacon, 1st Viscount St Alban (; 22 January 1561 – 9 April 1626) was an English philosopher and statesman who served as Attorney General and Lord Chancellor of England under King James I. Bacon argued for the importance of nat ...
*
John Locke John Locke (; 29 August 1632 (Old Style and New Style dates, O.S.) – 28 October 1704 (Old Style and New Style dates, O.S.)) was an English philosopher and physician, widely regarded as one of the most influential of the Enlightenment thi ...
*
George Berkeley George Berkeley ( ; 12 March 168514 January 1753), known as Bishop Berkeley (Bishop of Cloyne of the Anglican Church of Ireland), was an Anglo-Irish philosopher, writer, and clergyman who is regarded as the founder of "immaterialism", a philos ...
*
David Hume David Hume (; born David Home; – 25 August 1776) was a Scottish philosopher, historian, economist, and essayist who was best known for his highly influential system of empiricism, philosophical scepticism and metaphysical naturalism. Beg ...


Political philosophy

Political philosophy is the study of such topics as
politics Politics () is the set of activities that are associated with decision-making, making decisions in social group, groups, or other forms of power (social and political), power relations among individuals, such as the distribution of Social sta ...
,
liberty Liberty is the state of being free within society from oppressive restrictions imposed by authority on one's way of life, behavior, or political views. The concept of liberty can vary depending on perspective and context. In the Constitutional ...
,
justice In its broadest sense, justice is the idea that individuals should be treated fairly. According to the ''Stanford Encyclopedia of Philosophy'', the most plausible candidate for a core definition comes from the ''Institutes (Justinian), Inst ...
,
property Property is a system of rights that gives people legal control of valuable things, and also refers to the valuable things themselves. Depending on the nature of the property, an owner of property may have the right to consume, alter, share, re ...
,
rights Rights are law, legal, social, or ethics, ethical principles of freedom or Entitlement (fair division), entitlement; that is, rights are the fundamental normative rules about what is allowed of people or owed to people according to some legal sy ...
,
law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior, with its precise definition a matter of longstanding debate. It has been variously described as a science and as the ar ...
, and the enforcement of a
legal code A code of law, also called a law code or legal code, is a systematic collection of statutes. It is a type of legislation that purports to exhaustively cover a complete system of laws or a particular area of law as it existed at the time the co ...
by
authority Authority is commonly understood as the legitimate power of a person or group of other people. In a civil state, ''authority'' may be practiced by legislative, executive, and judicial branches of government,''The New Fontana Dictionary of M ...
: their nature and purpose; what (if anything) makes a government legitimate; what rights and freedoms (if any) it should protect and how and why it should do so; what duties (if any) citizens owe to a legitimate government; and when (if ever) it may be legitimately overthrown. In a
vernacular Vernacular is the ordinary, informal, spoken language, spoken form of language, particularly when perceptual dialectology, perceived as having lower social status or less Prestige (sociolinguistics), prestige than standard language, which is mor ...
sense, the term "political philosophy" often refers to a general view, or specific ethic, political belief, or attitude, about
politics Politics () is the set of activities that are associated with decision-making, making decisions in social group, groups, or other forms of power (social and political), power relations among individuals, such as the distribution of Social sta ...
that does not necessarily belong to the technical discipline of
philosophy Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, Value (ethics and social sciences), value, mind, and language. It is a rational an ...
. List of political philosophers by country: *United Kingdom **
Jeremy Bentham Jeremy Bentham (; 4 February Dual dating, 1747/8 Old Style and New Style dates, O.S.
5 February 1748 Old Style and New Style dates, N.S. 5 (five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. Humans, and many other animals, have 5 digits on their limbs. Mathematics 5 is a Fermat pri ...
– 6 June 1832) was an English philosopher, jurist, and social reformer regarded as the founder of mo ...
**
Thomas Carlyle Thomas Carlyle (4 December 17955 February 1881) was a Scottish essayist, historian, and philosopher. Known as the "Sage writing, sage of Chelsea, London, Chelsea", his writings strongly influenced the intellectual and artistic culture of the V ...
**
Thomas Hobbes Thomas Hobbes ( ; 5 April 1588 – 4 December 1679) was an English philosopher, best known for his 1651 book ''Leviathan (Hobbes book), Leviathan'', in which he expounds an influential formulation of social contract theory. He is considered t ...
**
John Locke John Locke (; 29 August 1632 (Old Style and New Style dates, O.S.) – 28 October 1704 (Old Style and New Style dates, O.S.)) was an English philosopher and physician, widely regarded as one of the most influential of the Enlightenment thi ...
**
James Mill James Mill (born James Milne; 6 April 1773 – 23 June 1836) was a Scottish historian, economist, political theorist and philosopher. He is counted among the founders of the Ricardian school of economics. He also wrote '' The History of Britis ...
**
John Stuart Mill John Stuart Mill (20 May 1806 – 7 May 1873) was an English philosopher, political economist, politician and civil servant. One of the most influential thinkers in the history of liberalism and social liberalism, he contributed widely to s ...
*France **
Montesquieu Charles Louis de Secondat, baron de La Brède et de Montesquieu (18 January 168910 February 1755), generally referred to as simply Montesquieu, was a French judge, man of letters, historian, and political philosopher. He is the principal so ...
**
Jean-Jacques Rousseau Jean-Jacques Rousseau (, ; ; 28 June 1712 – 2 July 1778) was a Republic of Geneva, Genevan philosopher (''philosophes, philosophe''), writer, and composer. His political philosophy influenced the progress of the Age of Enlightenment through ...
**
Voltaire François-Marie Arouet (; 21 November 169430 May 1778), known by his ''Pen name, nom de plume'' Voltaire (, ; ), was a French Age of Enlightenment, Enlightenment writer, philosopher (''philosophe''), satirist, and historian. Famous for his wit ...
*Italy **
Cesare Beccaria Cesare Bonesana di Beccaria, Marquis of Gualdrasco and Villareggio (; 15 March 1738 – 28 November 1794) was an Italian criminologist, jurist, philosopher, economist, and politician who is widely considered one of the greatest thinkers of the ...
**
Giambattista Vico Giambattista Vico (born Giovan Battista Vico ; ; 23 June 1668 – 23 January 1744) was an Italian philosopher, rhetorician, historian, and jurist during the Italian Enlightenment. He criticized the expansion and development of modern rationali ...
**
Giuseppe Mazzini Giuseppe Mazzini (, ; ; 22 June 1805 – 10 March 1872) was an Italian politician, journalist, and activist for the unification of Italy (Risorgimento) and spearhead of the Italian revolutionary movement. His efforts helped bring about the ...
*Germany **
Karl Marx Karl Marx (; 5 May 1818 – 14 March 1883) was a German philosopher, political theorist, economist, journalist, and revolutionary socialist. He is best-known for the 1848 pamphlet '' The Communist Manifesto'' (written with Friedrich Engels) ...
**
Friedrich Engels Friedrich Engels ( ;"Engels"
''Random House Webster's Unabridged Dictionary''.
Epistemologically, idealism manifests as a
skepticism Skepticism ( US) or scepticism ( UK) is a questioning attitude or doubt toward knowledge claims that are seen as mere belief or dogma. For example, if a person is skeptical about claims made by their government about an ongoing war then the p ...
about the possibility of knowing any mind-independent thing. In a sociological sense, idealism emphasizes how human ideas—especially beliefs and values—shape society. As an
ontological Ontology is the philosophical study of being. It is traditionally understood as the subdiscipline of metaphysics focused on the most general features of reality. As one of the most fundamental concepts, being encompasses all of reality and every ...
doctrine, idealism goes further, asserting that all entities are composed of mind or spirit.Daniel Sommer Robinson, "Idealism", ''Encyclopædia Britannica'', https://www.britannica.com/EBchecked/topic/281802/idealism Idealism thus rejects physicalist and
dualist Dualism most commonly refers to: * Mind–body dualism, a philosophical view which holds that mental phenomena are, at least in certain respects, not physical phenomena, or that the mind and the body are distinct and separable from one another * P ...
theories that fail to ascribe priority to the mind. An extreme version of this idealism can exist in the philosophical notion of
solipsism Solipsism ( ; ) is the philosophical idea that only one's mind is sure to exist. As an epistemological position, solipsism holds that knowledge of anything outside one's own mind is unsure; the external world and other minds cannot be known ...
. List of idealist philosophers: *
Immanuel Kant Immanuel Kant (born Emanuel Kant; 22 April 1724 – 12 February 1804) was a German Philosophy, philosopher and one of the central Age of Enlightenment, Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works ...
*
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 Ka ...
*
Friedrich Wilhelm Joseph Schelling Friedrich Wilhelm Joseph Schelling (; 27 January 1775 – 20 August 1854), later (after 1812) von Schelling, was a German philosopher. Standard histories of philosophy make him the midpoint in the development of German idealism, situating him be ...
*
Georg Wilhelm Friedrich Hegel Georg Wilhelm Friedrich Hegel (27 August 1770 – 14 November 1831) was a 19th-century German idealist. His influence extends across a wide range of topics from metaphysical issues in epistemology and ontology, to political philosophy and t ...
*
Arthur Schopenhauer Arthur Schopenhauer ( ; ; 22 February 1788 – 21 September 1860) was a German philosopher. He is known for his 1818 work ''The World as Will and Representation'' (expanded in 1844), which characterizes the Phenomenon, phenomenal world as ...
*
T. H. Green Thomas Hill Green (7 April 183626 March 1882), known as T. H. Green, was an English philosopher, political Radicalism (historical), radical and Temperance movement, temperance reformer, and a member of the British idealism movement. Like ...
* Francis Herbert Bradley *
Josiah Royce Josiah Royce (; November 20, 1855 – September 14, 1916) was an American Pragmatism, pragmatist and objective idealism, objective idealist philosopher and the founder of American idealism. His philosophical ideas included his joining of pragmatis ...
*
J. M. E. McTaggart John McTaggart Ellis McTaggart (3 September 1866 – 18 January 1925) was an English idealist metaphysician. For most of his life McTaggart was a fellow and lecturer in philosophy at Trinity College, Cambridge. He was an exponent of the phil ...
* John Foster


Existentialism

Existentialism is generally considered to be the philosophical and cultural movement that holds that the starting point of philosophical thinking must be the individual and the experiences of the individual. Building on that, existentialists hold that moral thinking and
scientific thinking The scientific method is an empirical method for acquiring knowledge that has been referred to while doing science since at least the 17th century. Historically, it was developed through the centuries from the ancient and medieval world. The ...
together do not suffice to understand human existence, and, therefore, a further set of categories, governed by the norm of ''authenticity'', is necessary to understand human existence. List of existentialist philosophers: *
Søren Kierkegaard Søren Aabye Kierkegaard ( , ; ; 5 May 1813 – 11 November 1855) was a Danes, Danish theologian, philosopher, poet, social critic, and religious author who is widely considered to be the first existentialist philosopher. He wrote critical tex ...
*
Friedrich Nietzsche Friedrich Wilhelm Nietzsche (15 October 1844 – 25 August 1900) was a German philosopher. He began his career as a classical philology, classical philologist, turning to philosophy early in his academic career. In 1869, aged 24, Nietzsche bec ...
*
Jean-Paul Sartre Jean-Paul Charles Aymard Sartre (, ; ; 21 June 1905 – 15 April 1980) was a French philosopher, playwright, novelist, screenwriter, political activist, biographer, and literary criticism, literary critic, considered a leading figure in 20th ...
*
Simone de Beauvoir Simone Lucie Ernestine Marie Bertrand de Beauvoir (, ; ; 9 January 1908 – 14 April 1986) was a French existentialist philosopher, writer, social theorist, and feminist activist. Though she did not consider herself a philosopher, nor was she ...
*
Karl Jaspers Karl Theodor Jaspers (; ; 23 February 1883 – 26 February 1969) was a German-Swiss psychiatrist and philosopher who had a strong influence on modern theology, psychiatry, and philosophy. His 1913 work ''General Psychopathology'' influenced many ...
*
Gabriel Marcel Gabriel Honoré Marcel (7 December 1889 – 8 October 1973) was a French philosopher, playwright, music critic and leading Christian existentialist. The author of over a dozen books and at least thirty plays, Marcel's work focused on the moder ...
*
Martin Heidegger Martin Heidegger (; 26 September 1889 – 26 May 1976) was a German philosopher known for contributions to Phenomenology (philosophy), phenomenology, hermeneutics, and existentialism. His work covers a range of topics including metaphysics, art ...
*
Alexander Solzhenitsyn Aleksandr Isayevich Solzhenitsyn. (11 December 1918 – 3 August 2008) was a Soviet and Russian author and dissident who helped to raise global awareness of political repression in the Soviet Union, especially the Gulag prison system. He was a ...


Phenomenology

Phenomenology is the study of the structure of experience. It is a broad
philosophical movement List of philosophies, schools of thought and philosophical movements. A Absurdism – Academic skepticism – Accelerationism - Achintya Bheda Abheda – Action, philosophy of – Actual idealism – Actualism – Advaita Vedanta ...
founded in the early years of the 20th century by
Edmund Husserl Edmund Gustav Albrecht Husserl (; 8 April 1859 – 27 April 1938) was an Austrian-German philosopher and mathematician who established the school of Phenomenology (philosophy), phenomenology. In his early work, he elaborated critiques of histori ...
, expanded upon by a circle of his followers at the universities of
Göttingen Göttingen (, ; ; ) is a college town, university city in Lower Saxony, central Germany, the Capital (political), capital of Göttingen (district), the eponymous district. The River Leine runs through it. According to the 2022 German census, t ...
and
Munich Munich is the capital and most populous city of Bavaria, Germany. As of 30 November 2024, its population was 1,604,384, making it the third-largest city in Germany after Berlin and Hamburg. Munich is the largest city in Germany that is no ...
in
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
. The philosophy then spread to
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
, the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
, and elsewhere, often in contexts far removed from Husserl's early work. List of phenomenologists: *
Edmund Husserl Edmund Gustav Albrecht Husserl (; 8 April 1859 – 27 April 1938) was an Austrian-German philosopher and mathematician who established the school of Phenomenology (philosophy), phenomenology. In his early work, he elaborated critiques of histori ...
*
Martin Heidegger Martin Heidegger (; 26 September 1889 – 26 May 1976) was a German philosopher known for contributions to Phenomenology (philosophy), phenomenology, hermeneutics, and existentialism. His work covers a range of topics including metaphysics, art ...
*
Maurice Merleau-Ponty Maurice Jean Jacques Merleau-Ponty. ( ; ; 14 March 1908 – 3 May 1961) was a French phenomenological philosopher, strongly influenced by Edmund Husserl and Martin Heidegger. The constitution of meaning in human experience was his main interes ...
*
Max Scheler Max Ferdinand Scheler (; 22 August 1874 – 19 May 1928) was a German philosopher known for his work in phenomenology, ethics, and philosophical anthropology. Considered in his lifetime one of the most prominent German philosophers,Davis, Zacha ...


Pragmatism

Pragmatism is a philosophical tradition centered on the linking of practice and theory. It describes a process where theory is extracted from practice and applied back to practice to form what is called ''intelligent practice''. Important positions characteristic of pragmatism include
instrumentalism In philosophy of science and in epistemology, instrumentalism is a methodological view that ideas are useful instruments, and that the worth of an idea is based on how effective it is in explaining and predicting natural phenomena. According to in ...
,
radical empiricism Radical empiricism is a philosophical doctrine put forth by William James. It asserts that experience includes both particulars and relations between those particulars, and that therefore both deserve a place in our explanations. In concrete term ...
,
verificationism Verificationism, also known as the verification principle or the verifiability criterion of meaning, is a doctrine in philosophy which asserts that a statement is meaningful only if it is either empirically verifiable (can be confirmed through the ...
, conceptual relativity, and
fallibilism Originally, fallibilism (from Medieval Latin: ''fallibilis'', "liable to error") is the philosophical principle that propositions can be accepted even though they cannot be conclusively proven or justified,Haack, Susan (1979)"Fallibilism and Nece ...
. There is general consensus among pragmatists that philosophy should take the methods and insights of modern science into account.
Charles Sanders Peirce Charles Sanders Peirce ( ; September 10, 1839 – April 19, 1914) was an American scientist, mathematician, logician, and philosopher who is sometimes known as "the father of pragmatism". According to philosopher Paul Weiss (philosopher), Paul ...
(and his
pragmatic maxim {{C. S. Peirce articles, abbreviations=no The pragmatic maxim, also known as the maxim of pragmatism or the maxim of pragmaticism, is a maxim of logic formulated by Charles Sanders Peirce. Serving as a normative recommendation or a regulative pri ...
) deserves most of the credit for pragmatism, along with later twentieth century contributors
William James William James (January 11, 1842 – August 26, 1910) was an American philosopher and psychologist. The first educator to offer a psychology course in the United States, he is considered to be one of the leading thinkers of the late 19th c ...
and
John Dewey John Dewey (; October 20, 1859 – June 1, 1952) was an American philosopher, psychologist, and Education reform, educational reformer. He was one of the most prominent American scholars in the first half of the twentieth century. The overridi ...
.Biesta, G.J.J. & Burbules, N. (2003). ''Pragmatism and educational research''. Lanham, MD: Rowman and Littlefield. List of pragmatist philosophers: *
Charles Sanders Peirce Charles Sanders Peirce ( ; September 10, 1839 – April 19, 1914) was an American scientist, mathematician, logician, and philosopher who is sometimes known as "the father of pragmatism". According to philosopher Paul Weiss (philosopher), Paul ...
*
William James William James (January 11, 1842 – August 26, 1910) was an American philosopher and psychologist. The first educator to offer a psychology course in the United States, he is considered to be one of the leading thinkers of the late 19th c ...
*
John Dewey John Dewey (; October 20, 1859 – June 1, 1952) was an American philosopher, psychologist, and Education reform, educational reformer. He was one of the most prominent American scholars in the first half of the twentieth century. The overridi ...
*
Richard Rorty Richard McKay Rorty (October 4, 1931 – June 8, 2007) was an American philosopher, historian of ideas, and public intellectual. Educated at the University of Chicago and Yale University, Rorty's academic career included appointments as the Stu ...


Analytic philosophy

Analytic philosophy came to dominate
English-speaking countries The English-speaking world comprises the 88 countries and territories in which English is an official, administrative, or cultural language. In the early 2000s, between one and two billion people spoke English, making it the largest language ...
in the 20th century. In the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
,
Scandinavia Scandinavia is a subregion#Europe, subregion of northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. ''Scandinavia'' most commonly refers to Denmark, Norway, and Sweden. It can sometimes also ...
,
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
, and
New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
, the overwhelming majority of university philosophy departments identify themselves as "analytic" departments. "Without exception, the best philosophy departments in the United States are dominated by analytic philosophy, and among the leading philosophers in the United States, all but a tiny handful would be classified as analytic philosophers. Practitioners of types of philosophizing that are not in the analytic tradition—such as phenomenology, classical pragmatism, existentialism, or Marxism—feel it necessary to define their position in relation to analytic philosophy."
John Searle John Rogers Searle (; born July 31, 1932) is an American philosopher widely noted for contributions to the philosophy of language, philosophy of mind, and social philosophy. He began teaching at UC Berkeley in 1959 and was Willis S. and Mario ...
(2003) ''Contemporary Philosophy in the United States'' in N. Bunnin and E.P. Tsui-James (eds.), ''The Blackwell Companion to Philosophy'', 2nd ed., (Blackwell, 2003), p. 1.
The term generally refers to a broad philosophical tradition characterized by an emphasis on clarity and argument (often achieved via modern
formal logic Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure o ...
and analysis of
language Language is a structured system of communication that consists of grammar and vocabulary. It is the primary means by which humans convey meaning, both in spoken and signed language, signed forms, and may also be conveyed through writing syste ...
) and a respect for the
natural sciences Natural science or empirical science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical evidence from observation and experimentation. Mechanisms such as peer ...
.
Brian Leiter Brian Leiter (; born 1963) is an American philosopher and legal scholar who is Karl N. Llewellyn Professor of Jurisprudence at the University of Chicago Law School and founder and Director of Chicago's Center for Law, Philosophy & Human Values ...
(2006) webpag
''“Analytic” and “Continental” Philosophy''
Quote on the definition: "'Analytic' philosophy today names a style of doing philosophy, not a philosophical program or a set of substantive views. Analytic philosophers, crudely speaking, aim for argumentative clarity and precision; draw freely on the tools of logic; and often identify, professionally and intellectually, more closely with the sciences and mathematics, than with the humanities."
Colin McGinn, ''The Making of a Philosopher: My Journey through Twentieth-Century Philosophy'' (HarperCollins, 2002), p. xi.: "analytical philosophy stoo narrow a label, since tis not generally a matter of taking a word or concept and analyzing it (whatever exactly that might be). .. This tradition emphasizes clarity, rigor, argument, theory, truth. It is not a tradition that aims primarily for inspiration or consolation or ideology. Nor is it particularly concerned with 'philosophy of life,' though parts of it are. This kind of philosophy is more like science than religion, more like mathematics than poetry – though it is neither science nor mathematics." List of analytic philosophers: *
Rudolf Carnap Rudolf Carnap (; ; 18 May 1891 – 14 September 1970) was a German-language philosopher who was active in Europe before 1935 and in the United States thereafter. He was a major member of the Vienna Circle and an advocate of logical positivism. ...
*
Gottlob Frege Friedrich Ludwig Gottlob Frege (; ; 8 November 1848 – 26 July 1925) was a German philosopher, logician, and mathematician. He was a mathematics professor at the University of Jena, and is understood by many to be the father of analytic philos ...
*
George Edward Moore George Edward Moore (4 November 1873 – 24 October 1958) was an English philosopher, who with Bertrand Russell, Ludwig Wittgenstein and earlier Gottlob Frege was among the initiators of analytic philosophy. He and Russell began de-emphasiz ...
*
Bertrand Russell Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British philosopher, logician, mathematician, and public intellectual. He had influence on mathematics, logic, set theory, and various areas of analytic ...
*
Moritz Schlick Friedrich Albert Moritz Schlick (; ; 14 April 1882 – 22 June 1936) was a German philosopher, physicist, and the founding father of logical positivism and the Vienna Circle. He was murdered by a former student, Johann Nelböck, in 1936. Early ...
*
Ludwig Wittgenstein Ludwig Josef Johann Wittgenstein ( ; ; 26 April 1889 – 29 April 1951) was an Austrian philosopher who worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language. From 1929 to 1947, Witt ...


Modern Asian philosophy

Various philosophical movements in Asia arose in the modern period including: *
New Confucianism New Confucianism () is an intellectual movement of Confucianism that began in the early 20th century in Republic of China (1912–1949), Republican China, and further developed in post-Mao era People's Republic of China, contemporary China. I ...
*
Maoism Maoism, officially Mao Zedong Thought, is a variety of Marxism–Leninism that Mao Zedong developed while trying to realize a socialist revolution in the agricultural, pre-industrial society of the Republic of China (1912–1949), Republic o ...
*
Buddhist modernism Buddhist modernism (also referred to as modern Buddhism, modernist Buddhism, Neo-Buddhism, and Protestant Buddhism) are new movements based on modern era reinterpretations of Buddhism. David McMahan states that modernism in Buddhism is similar t ...
* Kyoto school *
Neo-Vedanta Neo-Vedanta, also called neo-Hinduism, Hindu modernism, Global Hinduism and Hindu Universalism, are terms to characterize interpretations of Hinduism that developed in the 19th century. The term "Neo-Vedanta" was coined by German Indologist ...


Notes


External links

* * {{DEFAULTSORT:Modern Philosophy