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The Philosophy Portal

A portal for Wikipedia's philosophy resources • 17,674 articles in English

Left to right: Plato, Kant, Nietzsche, Buddha, Confucius, Averroes

Philosophy (love of wisdom in ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, value, mind, and language. It is a rational and critical inquiry that reflects on its own methods and assumptions.

Historically, many of the individual sciences, like physics and psychology, formed part of philosophy. But they are considered separate academic disciplines in the modern sense of the term. The main traditions in the history of philosophy include Western, Arabic-Persian, Indian, and Chinese philosophy. Western philosophy originated in Ancient Greece and covers a wide area of philosophical subfields. A central topic in Arabic-Persian philosophy is the relation between reason and revelation. Indian philosophy combines the spiritual problem of how to reach enlightenment with the exploration of the nature of reality and the ways of arriving at knowledge. Chinese philosophy focuses on practical issues in relation to right social conduct, government, and self-cultivation.

Major branches of philosophy are epistemology, ethics, logic, and metaphysics. Epistemology studies what knowledge is and how to acquire it. Ethics investigates moral principles and what constitutes right conduct. Logic is the study of correct reasoning and explores how good arguments can be distinguished from bad ones. Metaphysics examines the most general features of reality, existence, objects, and properties. Other notable subfields are aesthetics, philosophy of language, philosophy of mind, philosophy of religion, philosophy of science, philosophy of history, and political philosophy.

Philosophers use a great variety of methods to arrive at philosophical knowledge. They include conceptual analysis, reliance on common sense and intuitions, use of thought experiments, analysis of ordinary language, description of experience, and critical questioning. Philosophy is related to many other fields, like the sciences, mathematics, business, law, and journalism. It provides an interdisciplinary perspective and studies their scope and fundamental concepts. It also investigates their methods and ethical implications. (Full article...)

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Featured articles are displayed here, which represent some of the best content on English Wikipedia.

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The title-page of the 1759 edition published by Cramer in Geneva, which reads, "Candide, or Optimism, translated from the German of Dr. Ralph."

Candide, ou l'Optimisme (/kɒnˈdiːd/ kon-DEED, French: [kɑ̃did] ) is a French satire written by Voltaire, a philosopher of the Age of Enlightenment, first published in 1759. The novella has been widely translated, with English versions titled Candide: or, All for the Best (1759); Candide: or, The Optimist (1762); and Candide: Optimism (1947). It begins with a young man, Candide, who is living a sheltered life in an Edenic paradise and being indoctrinated with Leibnizian optimism by his mentor, Professor Pangloss. The work describes the abrupt cessation of this lifestyle, followed by Candide's slow and painful disillusionment as he witnesses and experiences great hardships in the world. Voltaire concludes Candide with, if not rejecting Leibnizian optimism outright, advocating a deeply practical precept, "we must cultivate our garden", in lieu of the Leibnizian mantra of Pangloss, "all is for the best" in the "best of all possible worlds".

Candide is characterized by its tone as well as by its erratic, fantastical, and fast-moving plot. A picaresque novel with a story similar to that of a more serious coming-of-age narrative (bildungsroman), it parodies many adventure and romance clichés, the struggles of which are caricatured in a tone that is bitter and matter-of-fact. Still, the events discussed are often based on historical happenings, such as the Seven Years' War and the 1755 Lisbon earthquake. As philosophers of Voltaire's day contended with the problem of evil, so does Candide in this short theological novel, albeit more directly and humorously. Voltaire ridicules religion, theologians, governments, armies, philosophies, and philosophers. Through Candide, he assaults Leibniz and his optimism. (Full article...)
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Confirmation bias is the tendency to search for, interpret, favor, and recall information in a way that confirms or supports one's prior beliefs or values. People display this bias when they select information that supports their views, ignoring contrary information, or when they interpret ambiguous evidence as supporting their existing attitudes. The effect is strongest for desired outcomes, for emotionally charged issues, and for deeply entrenched beliefs. Confirmation bias is insuperable for most people, but they can manage it, for example, by education and training in critical thinking skills.

Biased search for information, biased interpretation of this information, and biased memory recall, have been invoked to explain four specific effects:
1. attitude polarization (when a disagreement becomes more extreme even though the different parties are exposed to the same evidence)
2. belief perseverance (when beliefs persist after the evidence for them is shown to be false)
3. the irrational primacy effect (a greater reliance on information encountered early in a series)
4. illusory correlation (when people falsely perceive an association between two events or situations).
(Full article...)
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Bohr in 1922

Niels Henrik David Bohr (Danish: [ˈne̝ls ˈpoɐ̯ˀ]; 7 October 1885 – 18 November 1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.

Bohr developed the Bohr model of the atom, in which he proposed that energy levels of electrons are discrete and that the electrons revolve in stable orbits around the atomic nucleus but can jump from one energy level (or orbit) to another. Although the Bohr model has been supplanted by other models, its underlying principles remain valid. He conceived the principle of complementarity: that items could be separately analysed in terms of contradictory properties, like behaving as a wave or a stream of particles. The notion of complementarity dominated Bohr's thinking in both science and philosophy. (Full article...)
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The tree of life as depicted by Ernst Haeckel in The Evolution of Man (1879) illustrates the 19th-century view of evolution as a progressive process leading towards man.

Evolutionary thought, the recognition that species change over time and the perceived understanding of how such processes work, has roots in antiquity—in the ideas of the ancient Greeks, Romans, Chinese, Church Fathers as well as in medieval Islamic science. With the beginnings of modern biological taxonomy in the late 17th century, two opposed ideas influenced Western biological thinking: essentialism, the belief that every species has essential characteristics that are unalterable, a concept which had developed from medieval Aristotelian metaphysics, and that fit well with natural theology; and the development of the new anti-Aristotelian approach to modern science: as the Enlightenment progressed, evolutionary cosmology and the mechanical philosophy spread from the physical sciences to natural history. Naturalists began to focus on the variability of species; the emergence of palaeontology with the concept of extinction further undermined static views of nature. In the early 19th century prior to Darwinism, Jean-Baptiste Lamarck (1744–1829) proposed his theory of the transmutation of species, the first fully formed theory of evolution.

In 1858 Charles Darwin and Alfred Russel Wallace published a new evolutionary theory, explained in detail in Darwin's On the Origin of Species (1859). Darwin's theory, originally called descent with modification is known contemporarily as Darwinism or Darwinian theory. Unlike Lamarck, Darwin proposed common descent and a branching tree of life, meaning that two very different species could share a common ancestor. Darwin based his theory on the idea of natural selection: it synthesized a broad range of evidence from animal husbandry, biogeography, geology, morphology, and embryology. Debate over Darwin's work led to the rapid acceptance of the general concept of evolution, but the specific mechanism he proposed, natural selection, was not widely accepted until it was revived by developments in biology that occurred during the 1920s through the 1940s. Before that time most biologists regarded other factors as responsible for evolution. Alternatives to natural selection suggested during "the eclipse of Darwinism" (c. 1880 to 1920) included inheritance of acquired characteristics (neo-Lamarckism), an innate drive for change (orthogenesis), and sudden large mutations (saltationism). Mendelian genetics, a series of 19th-century experiments with pea plant variations rediscovered in 1900, was integrated with natural selection by Ronald Fisher, J. B. S. Haldane, and Sewall Wright during the 1910s to 1930s, and resulted in the founding of the new discipline of population genetics. During the 1930s and 1940s population genetics became integrated with other biological fields, resulting in a widely applicable theory of evolution that encompassed much of biology—the modern synthesis. (Full article...)
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Priestley, painted late in life by Rembrandt Peale (c. 1800)

Joseph Priestley (1733–1804) was a British natural philosopher, Dissenting clergyman, political theorist, theologian, and educator. He is best known for his discovery, simultaneously with Antoine Lavoisier, of oxygen gas.

A member of marginalized religious groups throughout his life and a proponent of what was called "rational Dissent," Priestley advocated religious toleration and equal rights for Dissenters. He argued for extensive civil rights in works such as the important Essay on the First Principles of Government, believing that individuals could bring about progress and eventually the Millennium; he was the foremost British expounder of providentialism. Priestley also made significant contributions to education, publishing, among other things, The Rudiments of English Grammar, a seminal work on English grammar. In his most lasting contributions to education, he argued for the benefits of a liberal arts education and of the value of the study of modern history. In his metaphysical works, Priestley "attempt[ed] to combine theism, materialism, and determinism," a project that has been called "audacious and original." (Full article...)
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Memorial in Nollendorfplatz, Berlin. Text in triangle:
"Struck Dead
Hushed Up
[dedicated to] The homosexual victims of National Socialism"
Text below: "The 'pink triangle' was the sign with which the National Socialists marked homosexuals in the concentration camps in a defamatory way.
From January 1933 almost all homosexual locales in and around Nollendorfplatz were closed by the National Socialists or misused by raids to create 'pink lists' (homosexual files)."
Before 1933, male homosexual acts were illegal in Germany under Paragraph 175 of the German Criminal Code. The law was not consistently enforced, however, and a thriving gay culture existed in major German cities. After the Nazi takeover in 1933, the first homosexual movement's infrastructure of clubs, organizations, and publications was shut down. After the Röhm purge in 1934, persecuting homosexuals became a priority of the Nazi police state. A 1935 revision of Paragraph 175 made it easier to bring criminal charges for homosexual acts, leading to a large increase in arrests and convictions. Persecution peaked in the years prior to World War II and was extended to areas annexed by Germany, including Austria, the Czech lands, and Alsace–Lorraine.

The Nazi regime considered the elimination of all manifestations of homosexuality in Germany one of its goals. Men were often arrested after denunciation, police raids, and through information uncovered during interrogations of other homosexuals. Those arrested were presumed guilty, and subjected to harsh interrogation and torture to elicit a confession. Between 1933 and 1945, an estimated 100,000 men were arrested as homosexuals; around 50,000 of these were sentenced by civilian courts, 6,400 to 7,000 by military courts [de], and an unknown number by special courts. Most of these men served time in regular prisons, and between 5,000 and 6,000 were imprisoned in concentration camps. The death rate of these prisoners has been estimated at 60 percent, a higher rate than those of other prisoner groups. A smaller number of men were sentenced to death or killed at Nazi euthanasia centres. Nazi Germany's persecution of homosexuals is considered to be the most severe episode in a long history of discrimination and violence targeting sexual minorities. (Full article...)
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Conatus is, for Baruch Spinoza, where "each thing, as far as it lies in itself, strives to persevere in its being."

In the philosophy of Baruch Spinoza, conatus (/koʊˈneɪtəs/; wikt:conatus; Latin for "effort; endeavor; impulse, inclination, tendency; undertaking; striving") is an innate inclination of a thing to continue to exist and enhance itself. This thing may be mind, matter, or a combination of both, and is often associated with God's will in a pantheist view of nature. The conatus may refer to the instinctive will to live of living organisms or to various metaphysical theories of motion and inertia. Today, conatus is rarely used in the technical sense, since classical mechanics uses concepts such as inertia and conservation of momentum that have superseded it. It has, however, been a notable influence on later thinkers such as Arthur Schopenhauer and Friedrich Nietzsche. (Full article...)
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Goldman, c. 1911

Emma Goldman (June 27, 1869 – May 14, 1940) was a Russian-born anarchist, political activist, and writer. She played a pivotal role in the development of anarchist political philosophy in North America and Europe in the first half of the 20th century.

Born in Kaunas, Lithuania (then within the Russian Empire), to an Orthodox Lithuanian Jewish family, Goldman emigrated to the United States in 1885. Attracted to anarchism after the Chicago Haymarket affair, Goldman became a writer and a renowned lecturer on anarchist philosophy, women's rights, and social issues, attracting crowds of thousands. She and anarchist writer Alexander Berkman, her lover and lifelong friend, planned to assassinate industrialist and financier Henry Clay Frick as an act of propaganda of the deed. Frick survived the attempt on his life in 1892, and Berkman was sentenced to 22 years in prison. Goldman was imprisoned several times in the years that followed, for "inciting to riot" and illegally distributing information about birth control. In 1906, Goldman founded the anarchist journal Mother Earth. (Full article...)
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Intelligent design (ID) is a pseudoscientific argument for the existence of God, presented by its proponents as "an evidence-based scientific theory about life's origins". Proponents claim that "certain features of the universe and of living things are best explained by an intelligent cause, not an undirected process such as natural selection." ID is a form of creationism that lacks empirical support and offers no testable or tenable hypotheses, and is therefore not science. The leading proponents of ID are associated with the Discovery Institute, a Christian, politically conservative think tank based in the United States.

Although the phrase intelligent design had featured previously in theological discussions of the argument from design, its first publication in its present use as an alternative term for creationism was in Of Pandas and People, a 1989 creationist textbook intended for high school biology classes. The term was substituted into drafts of the book, directly replacing references to creation science and creationism, after the 1987 Supreme Court's Edwards v. Aguillard decision barred the teaching of creation science in public schools on constitutional grounds. From the mid-1990s, the intelligent design movement (IDM), supported by the Discovery Institute, advocated inclusion of intelligent design in public school biology curricula. This led to the 2005 Kitzmiller v. Dover Area School District trial, which found that intelligent design was not science, that it "cannot uncouple itself from its creationist, and thus religious, antecedents", and that the public school district's promotion of it therefore violated the Establishment Clause of the First Amendment to the United States Constitution. (Full article...)
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Sir Bernard Arthur Owen Williams, FBA (21 September 1929 – 10 June 2003) was an English moral philosopher. His publications include Problems of the Self (1973), Ethics and the Limits of Philosophy (1985), Shame and Necessity (1993), and Truth and Truthfulness (2002). He was knighted in 1999.

As Knightbridge Professor of Philosophy at the University of Cambridge and Deutsch Professor of Philosophy at the University of California, Berkeley, Williams became known for his efforts to reorient the study of moral philosophy to psychology, history, and in particular to the Greeks. Described by Colin McGinn as an "analytical philosopher with the soul of a general humanist," he was sceptical about attempts to create a foundation for moral philosophy. Martha Nussbaum wrote that he demanded of philosophy that it "come to terms with, and contain, the difficulty and complexity of human life." (Full article...)
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Atheism, in the broadest sense, is an absence of belief in the existence of deities. Less broadly, atheism is a rejection of the belief that any deities exist. In an even narrower sense, atheism is specifically the position that there are no deities. Atheism is contrasted with theism, which in its most general form is the belief that at least one deity exists.

Historically, evidence of atheistic viewpoints can be traced back to classical antiquity and early Indian philosophy. In the Western world, atheism declined as Christianity gained prominence. The 16th century and the Age of Enlightenment marked the resurgence of atheistic thought in Europe. Atheism achieved a significant position in the 20th century with legislation protecting freedom of thought. According to estimates there are at least 500 million atheists in the world. (Full article...)
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First page of The Wrongs of Woman

Maria: or, The Wrongs of Woman is the 18th-century British feminist Mary Wollstonecraft's unfinished novelistic sequel to her revolutionary political treatise A Vindication of the Rights of Woman (1792). The Wrongs of Woman was published posthumously in 1798 by her husband, William Godwin, and is often considered her most radical feminist work.

Wollstonecraft's philosophical and gothic novel revolves around the story of a woman imprisoned in an insane asylum by her husband. It focuses on the societal rather than the individual "wrongs of woman" and criticizes what Wollstonecraft viewed as the patriarchal institution of marriage in eighteenth-century Britain and the legal system that protected it. However, the heroine's inability to relinquish her romantic fantasies also reveals women's collusion in their oppression through false and damaging sentimentalism. The novel pioneered the celebration of female sexuality and cross-class identification between women. Such themes, coupled with the publication of Godwin's scandalous Memoirs of Wollstonecraft's life, made the novel unpopular at the time it was published. (Full article...)
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Anonymous portrait, c. 1550

John Calvin (/ˈkælvɪn/; Middle French: Jehan Cauvin; French: Jean Calvin [ʒɑ̃ kalvɛ̃]; 10 July 1509 – 27 May 1564) was a French theologian, pastor and reformer in Geneva during the Protestant Reformation. He was a principal figure in the development of the system of Christian theology later called Calvinism, including its doctrines of predestination and of God's absolute sovereignty in the salvation of the human soul from death and eternal damnation. Calvinist doctrines were influenced by and elaborated upon the Augustinian and other Christian traditions. Various Congregational, Reformed and Presbyterian churches, which look to Calvin as the chief expositor of their beliefs, have spread throughout the world.

Calvin was a tireless polemicist and apologetic writer who generated much controversy. He also exchanged cordial and supportive letters with many reformers, including Philipp Melanchthon and Heinrich Bullinger. In addition to his seminal Institutes of the Christian Religion, Calvin wrote commentaries on most books of the Bible, confessional documents, and various other theological treatises. (Full article...)
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Political Animals and Animal Politics is a 2014 edited collection published by Palgrave Macmillan and edited by the green political theorists Marcel Wissenburg and David Schlosberg. The work addresses the emergence of academic animal ethics informed by political philosophy as opposed to moral philosophy. It was the first edited collection to be published on the topic, and the first book-length attempt to explore the breadth and boundaries of the literature. As well as a substantial introduction by the editors, it features ten sole-authored chapters split over three parts, respectively concerning institutional change for animals, the relationship between animal ethics and ecologism, and real-world laws made for the benefit of animals. The book's contributors were Wissenburg, Schlosberg, Manuel Arias-Maldonado, Chad Flanders, Christie Smith, Clemens Driessen, Simon Otjes, Kurtis Boyer, Per-Anders Svärd, and Mihnea Tanasescu. The focus of their individual chapters varies, but recurring features include discussions of human exceptionalism, exploration of ways that animal issues are or could be present in political discourse, and reflections on the relationship between theory and practice in politics.

In part, Political Animals and Animal Politics arose from a workshop that Wissenburg and Schlosberg organised at the 2012 European Consortium for Political Research Joint Sessions conference, though not all attendees contributed to the volume and not all contributors presented at the workshop. Footage of the workshop appeared in De Haas in de Marathon (The Pacer in the Marathon), a 2012 documentary about the Dutch Party for the Animals. Political Animals and Animal Politics was published as part of the Palgrave Macmillan Animal Ethics Series, edited by Andrew Linzey and Priscilla Cohn. (Full article...)
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A Vindication of the Rights of Woman: with Strictures on Political and Moral Subjects (1792), written by British philosopher and women's rights advocate Mary Wollstonecraft (1759–1797), is one of the earliest works of feminist philosophy. In it, Wollstonecraft responds to those educational and political theorists of the eighteenth century who did not believe women should receive a rational education. She argues that women ought to have an education commensurate with their position in society, claiming that women are essential to the nation because they educate its children and because they could be "companions" to their husbands, rather than mere wives. Instead of viewing women as ornaments to society or property to be traded in marriage, Wollstonecraft maintains that they are human beings deserving of the same fundamental rights as men.

Wollstonecraft was prompted to write the Rights of Woman after reading Charles Maurice de Talleyrand-Périgord's 1791 report to the French National Assembly, which stated that women should only receive domestic education. From her reaction to this specific event, she launched a broad attack against double standards, indicting men for encouraging women to indulge in excessive emotion. Wollstonecraft hurried to complete the work in direct response to ongoing events; she intended to write a more thoughtful second volume but died before completing it. (Full article...)

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... that pre-Socratic philosophy included some of the earliest attempts to explain the cosmos as an ordered system without reference to the gods?
... that the first official resolution of the International Society for the History, Philosophy, and Social Studies of Biology was that they would never meet in a place with anti-sodomy laws?
... that the history of philosophy in India is characterized by its combined interest in the nature of reality, the ways of arriving at knowledge, and the spiritual question of how to reach enlightenment?
... that Richard W. Conway earned a varsity letter, a Ph.D., and an endowed chair, all from the same university?
... that the philosopher G. E. L. Owen was described by Martha Nussbaum as "an alcoholic and an attempted womaniser"?
... that only posthumously was Patrick Francis Healy described as the first black American to become a Jesuit, earn a Ph.D., and become the president of a predominantly white university?
... that ancient Greek philosopher Xenophon thought the alopekis was part dog, part fox?
... that Chinese physician Yu Yan described theories like yinyang and the five phases as "simply all lies, absolutely not factual, and completely groundless"?

Selected philosopher of the week

Abū-Yūsuf Ya’qūb ibn Ishāq al-Kindī c 801–873CE

Abū-Yūsuf Ya’qūb ibn Ishāq al-Kindī, also known by the Latinised version of his name Alkindus to the Western world (Arabic: أبو يوسف يعقوب ابن إسحاق الكندي, was a Muslim Arab scientist, mathematician, physician, and a talented musician.

Al-Kindī was born in Kufa, a centre of world learning at the time. Al-Kindi's father was the governor of Kufa, as his grandfather had been before him. Al-Kindi was descended from the Kindah tribe which had migrated from Yemen. This tribe had united a number of tribes and reached a position of prominence in the 5th and 6th centuries, but then lost power from the middle of the 6th century. Al-Kindī's education took place first in Kufa, then in Basra, and finally in Baghdad. Knowledge of his great learning soon spread, and the Caliph al-Ma'mun appointed him to the House of Wisdom in Baghdad, which was a recently established centre for the translation of Greek philosophical and scientific texts. (He was also well known for his beautiful calligraphy, and at one point was employed as a calligrapher by al-Mutawakkil.)

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Selected article of the week

Zen is a form of Mahayana Buddhism that places great importance on moment-by-moment awareness and 'seeing deeply into the nature of things' by direct experience. Zen emerged as a distinct school in China and spread to Vietnam, Korea, Japan, and, in modern times, the rest of the world.

Zen Buddhism is a branch of Mahayana Buddhism, and, as such, its teachings are deeply rooted in those of the Buddha. The Zen schools, like other Buddhist sects, teach the fundamental elements of Buddhist philosophy, including the Four Noble Truths, the Noble Eightfold Path, pratitya samutpada, the five precepts, the five skandhas, and the three dharma seals: non-self, impermanence, and dukkha. Zen philosophy also includes teachings specific to Mahayana Buddhism, including the Mahayanan conception of the paramitas and the ideal of the bodhisattva's universal salvific power...

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These are Good articles, which meet a core set of high editorial standards.

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Fodor in 2007

Jerry Alan Fodor (/ˈfoʊdər/; April 22, 1935 – November 29, 2017) was an American philosopher and the author of many crucial works in the fields of philosophy of mind and cognitive science. His writings in these fields laid the groundwork for the modularity of mind and the language of thought hypotheses, and he is recognized as having had "an enormous influence on virtually every portion of the philosophy of mind literature since 1960." At the time of his death in 2017, he held the position of State of New Jersey Professor of Philosophy, Emeritus, at Rutgers University, and had taught previously at the City University of New York Graduate Center and MIT. (Full article...)
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Manilal Nabhubhai Dwivedi (pronounced [məɲilal nəbʰubʰai dvivedi] ; 26 September 1858 – 1 October 1898) was a Gujarati-language writer, philosopher, and social thinker from British India, commonly referred to as Manilal in literary circles. He was an influential figure in 19th-century Gujarati literature, and was one of several Gujarati writers and educators involved in the debate over social reforms, focusing on issues such as the status of women, child marriage, and the question of whether widows could remarry. He held Eastern civilisation in high esteem, and resisted the influence of Western civilisation, a position which drew him into conflicts with other social reformers of a less conservative outlook. He considered himself a "reformer along religious lines".

Manilal's writings belong to the Pandit Yuga, or "Scholar Era" – a time in which Gujarati writers explored their traditional literature, culture and religion in order to redefine contemporary Indian identity when it was subject to challenge from the influential Western model introduced under colonial rule. His works include Atmanimajjan, a collection of poems on the theme of love in the context of Advaita (non-duality) philosophy; Kanta, a play combining Sanskrit and English dramatic techniques; Nrusinhavatar, a play based on Sanskrit dramatic traditions; Pranavinimaya, a study of yoga and mysticism; and Siddhantasara, a historical critique of the world's religious philosophies. His faith in Shankara's Advaita philosophy provided the fundamental underpinning for his philosophical thought. He was invited to present a paper at the first Parliament of World Religions, held in Chicago in 1893, but financial considerations made his participation there impossible. (Full article...)
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Painting of Adi Shankara, exponent of Advaita Vedanta with his disciples by Raja Ravi Varma

Adi Shankara, also called Adi Shankaracharya (Sanskrit: आदि शङ्कर, आदि शङ्कराचार्य, romanized: Ādi Śaṅkara, Ādi Śaṅkarācārya, lit. 'First Shankaracharya', pronounced [aːdɪ ɕɐŋkɐraːt͡ɕaːrjɐ]), was an 8th-century Indian Vedic scholar and teacher (acharya). His works present a harmonizing reading of the sastras, with liberating knowledge of the self at its core, synthesizing the Advaita Vedanta teachings of his time.

Due to his later fame, over 300 texts are attributed to him, including commentaries (Bhāṣya), introductory topical expositions (Prakaraṇa grantha) and poetry (Stotra). However, most of these are likely to be written by admirers or pretenders or scholars with an eponymous name. Works known to be written by Shankara himself are the Brahmasutrabhasya, his commentaries on ten principal Upanishads, his commentary on the Bhagavad Gita, and the Upadeśasāhasrī. The authenticity of Shankara being the author of Vivekacūḍāmaṇi has been questioned and mostly rejected by scholarship. (Full article...)
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Marcus Tullius Cicero, the author of the Consolatio

Consolatio (Latin: [koːnsoːˈlaːtɪ.oː]; Consolation) is a lost philosophical work written by Marcus Tullius Cicero in the year 45 BC. The work had been written to soothe his grief after the death of his daughter, Tullia, which had occurred in February of the same year. Not much is known about the work, although it seems to have been inspired by the Greek philosopher Crantor's ancient work De Luctu ("On Grief"), and its structure was probably similar to a series of letter correspondences between Servius Sulpicius Rufus and Cicero.

Fragments of the work survive, having been quoted by Lactantius, and Jerome makes note of the work in a consolatory letter to Heliodorus of Altino. A popular piece of writing until its loss, the Consolatio is widely accepted as the distinct work that transmitted the earlier consolatio literary tradition to the Romans of the late Republic. In 1583, Italian scholar Carlo Sigonio claimed to have discovered a non-fragmentary version of the Consolatio, although most scholars now agree that this work was a fake, with modern stylometric methods backing this up. (Full article...)
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Title page of a Song dynasty (c. 1100) edition of the I Ching

The I Ching or Yi Jing (Chinese: 易經, Mandarin: [î tɕíŋ] ), usually translated as Book of Changes or Classic of Changes, is an ancient Chinese divination text that is among the oldest of the Chinese classics. The I Ching was originally a divination manual in the Western Zhou period (1000–750 BC). Over the course of the Warring States and early imperial periods (500–200 BC), it transformed into a cosmological text with a series of philosophical commentaries known as the "Ten Wings". After becoming part of the Five Classics in the 2nd century BC, the I Ching was the subject of scholarly commentary and the basis for divination practice for centuries across the Far East, and eventually took on an influential role in Western understanding of East Asian philosophical thought.

As a divination text, the I Ching is used for a traditional Chinese form of cleromancy known as I Ching divination in which bundles of yarrow stalks are manipulated to produce sets of six apparently random numbers ranging from 6 to 9. Each of the 64 possible sets corresponds to a hexagram, which can be looked up in the I Ching. The hexagrams are arranged in an order known as the King Wen sequence. The interpretation of the readings found in the I Ching has been discussed and debated over the centuries. Many commentators have used the book symbolically, often to provide guidance for moral decision-making, as informed by Confucianism, Taoism and Buddhism. The hexagrams themselves have often acquired cosmological significance and been paralleled with many other traditional names for the processes of change such as yin and yang and Wu Xing. (Full article...)
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Abernathy in 1968

Ralph David Abernathy Sr. (March 11, 1926 – April 17, 1990) was an American civil rights activist and Baptist minister. He was ordained in the Baptist tradition in 1948. As a leader of the civil rights movement, he was a close friend and mentor of Martin Luther King Jr. He collaborated with King and E. D. Nixon to create the Montgomery Improvement Association, which led to the Montgomery bus boycott, and co-created and was an executive board member of the Southern Christian Leadership Conference (SCLC). He became president of the SCLC following the assassination of King in 1968; he led the Poor People's Campaign in Washington, D.C., as well as other marches and demonstrations for disenfranchised Americans. He also served as an advisory committee member of the Congress on Racial Equality (CORE).

In 1971, Abernathy addressed the United Nations speaking about world peace. He also assisted in brokering a deal between the FBI and American Indian Movement protestors during the Wounded Knee incident of 1973. He retired from his position as president of the SCLC in 1977 and became president emeritus. Later that year he unsuccessfully ran for the U.S. House of Representatives for the 5th district of Georgia. He later founded the Foundation for Economic Enterprises Development, and he testified before the U.S. Congress in support of extending the Voting Rights Act in 1982. (Full article...)
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Portrait of Saint Augustine, the oldest proponent of the Divine command theory

Divine command theory (also known as theological voluntarism) is a meta-ethical theory which proposes that an action's status as morally good is equivalent to whether it is commanded by God. The theory asserts that what is moral is determined by God's commands and that for a person to be moral he is to follow God's commands. Followers of both monotheistic and polytheistic religions in ancient and modern times have often accepted the importance of God's commands in establishing morality.

Numerous variants of the theory have been presented: historically, figures including Saint Augustine, Duns Scotus, William of Ockham and Søren Kierkegaard have presented various versions of divine command theory; more recently, Robert Merrihew Adams has proposed a "modified divine command theory" based on the omnibenevolence of God in which morality is linked to human conceptions of right and wrong. Paul Copan has argued in favour of the theory from a Christian viewpoint, and Linda Trinkaus Zagzebski's divine motivation theory proposes that God's motivations, rather than commands, are the source of morality. (Full article...)
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Sir William Blackstone (10 July 1723 – 14 February 1780) was an English jurist, justice and Tory politician most noted for his Commentaries on the Laws of England, which became the best-known description of the doctrines of the English common law. Born into a middle-class family in London, Blackstone was educated at Charterhouse School before matriculating at Pembroke College, Oxford, in 1738. After switching to and completing a Bachelor of Civil Law degree, he was made a fellow of All Souls College, Oxford, on 2 November 1743, admitted to Middle Temple, and called to the Bar there in 1746. Following a slow start to his career as a barrister, Blackstone became heavily involved in university administration, becoming accountant, treasurer and bursar on 28 November 1746 and Senior Bursar in 1750. Blackstone is considered responsible for completing the Codrington Library and Warton Building, and simplifying the complex accounting system used by the college. On 3 July 1753 he formally gave up his practice as a barrister and instead embarked on a series of lectures on English law, the first of their kind. These were massively successful, earning him a total of £453 (£75,000 in 2023 terms), and led to the publication of An Analysis of the Laws of England in 1756, which repeatedly sold out and was used to preface his later works.

On 20 October 1759 Blackstone was confirmed as the first Vinerian Professor of English Law, immediately embarking on another series of lectures and publishing a similarly successful second treatise, titled A Discourse on the Study of the Law. With his growing fame, he successfully returned to the bar and maintained a good practice, also securing election as Tory Member of Parliament for the rotten borough of Hindon on 30 March 1761. In November 1765 he published the first of four volumes of Commentaries on the Laws of England, considered his magnum opus; the completed work earned Blackstone £14,000 (£2,071,000 in 2023 terms). After repeated failures, he successfully gained appointment to the judiciary as a Justice of the Court of King's Bench on 16 February 1770, leaving to replace Edward Clive as a Justice of the Common Pleas on 25 June. He remained in this position until his death, on 14 February 1780. (Full article...)
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Title page of first edition; 1889

Siddhantasara (pronounced [sɪd'ðantsar]; transl. The Gist of Principles) is a 1889 Gujarati book on the history of philosophy by Indian writer and philosopher Manilal Dwivedi. It is a historical critique of the world's religious philosophies. The book deals with the evolution of religious sentiment and attempts to establish the superiority of the Advaita philosophy over other religious philosophies.

Siddhantasara received positive reviews and became a landmark in the history of Gujarati literature but was also criticised because of the logical lapses and inconsistencies in the author's arguments. Manishankar Bhatt (known as Kavi Kant) published his review as a book titled Siddhantasaranu Avalokan (Analysis of Siddhantasara). Siddhantasara is considered by critics to be Manilal's most important work, and has been seen as a response to the cultural agenda and reform activities of colonial India at the time. (Full article...)
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Buddhaghosa with three copies of Visuddhimagga, Kelaniya Raja Maha Vihara

Buddhaghosa was a 5th-century Indian Theravada Buddhist commentator, translator and philosopher. He worked in the Great Monastery (Mahāvihāra) at Anurādhapura, Sri Lanka and saw himself as being part of the Vibhajjavāda school and in the lineage of the Sinhalese Mahāvihāra.

His best-known work is the Visuddhimagga ("Path of Purification"), a comprehensive summary of older Sinhala commentaries on Theravada teachings and practices. According to Sarah Shaw, in Theravada this systematic work is "the principal text on the subject of meditation." The interpretations provided by Buddhaghosa have generally constituted the orthodox understanding of Theravada scriptures since at least the 12th century CE. (Full article...)
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Philosophical Essays on Freud is a 1982 anthology of articles about Sigmund Freud and psychoanalysis edited by the philosophers Richard Wollheim and James Hopkins. Published by Cambridge University Press, it includes an introduction from Hopkins and an essay from Wollheim, as well as selections from philosophers such as Ludwig Wittgenstein, Clark Glymour, Adam Morton, Stuart Hampshire, Brian O'Shaughnessy, Jean-Paul Sartre, Thomas Nagel, and Donald Davidson. The essays deal with philosophical questions raised by the work of Freud, including topics such as materialism, intentionality, and theories of the self's structure. They represent a range of different viewpoints, most of them from within the tradition of analytic philosophy. The book received a mixture of positive, mixed, and negative reviews. Commentators found the contributions included in the book to be of uneven value. (Full article...)
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A Jewish woman chased by men and youth during the pogrom

The Lviv pogroms were the consecutive pogroms and massacres of Jews in June and July 1941 in the city of Lwów in German-occupied Eastern Poland/Western Ukraine (now Lviv, Ukraine). The massacres were perpetrated by Ukrainian nationalists (specifically, the OUN), German death squads (Einsatzgruppen), and urban population from 30 June to 2 July, and from 25 to 29 July, during the German invasion of the Soviet Union. Thousands of Jews were killed both in the pogroms and in the Einsatzgruppen killings.

Ukrainian militia as well as Ukrainian residents and to a lower degree Poles targeted Jews in the first pogrom, which was triggered by the discovery of thousands of bodies in three Lviv prisons of victims of the Soviet NKVD prisoner massacre, which were widely blamed on "Jewish Bolsheviks". The subsequent massacres were directed by the Germans in the context of the Holocaust in Eastern Europe. The pogroms have been widely debated in the historiography, including the extent to which Ukrainian nationalists played a central or complicit role. (Full article...)
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Taoism or Daoism (/ˈtaʊɪzəm/ or /ˈdaʊɪzəm/ ) is a diverse tradition indigenous to China, variously characterized as both a philosophy and a religion. Taoism emphasizes living in harmony with what is known as the Tao—generally understood as being the impersonal, enigmatic process of transformation ultimately underlying reality. The Tao is represented in Chinese by the character 道 (pinyin: dào; Wade–Giles: tao4), which has several related meanings; possible English translations for it include 'way', 'road', and 'technique'. Symbols such as the bagua and taijitu are often employed to illustrate various aspects of the Tao, which can never be sufficiently described with words and metaphors alone. Taoist thought has informed the development of various practices and rituals within the Taoist tradition and beyond, including forms of meditation, astrology, qigong, feng shui, and internal alchemy. A common goal of Taoist practice is self-cultivation resulting in a deeper appreciation of the Tao, and thus a more harmonious existence.

Different schools present different formulations of Taoist ethics, but there is generally an emphasis on virtues such as effortless action, naturalness or spontaneity, simplicity, and the three treasures of compassion, frugality, and humility. Due to the terse quality of Classical Chinese as well as the abstract nature of the ideas themselves, many of these concepts defy simple definitions: Taoist terms have been translated into English in numerous different ways, occasionally resulting in divergent interpretations of Taoist ideas. (Full article...)
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"In Praise of Polytheism (On Monomythical and Polymythical Thinking)" (German: Lob des Polytheismus. Über Monomythie und Polymythie) is an essay by the German philosopher Odo Marquard, which was held as a lecture at the Technical University of Berlin in 1978. It was first published in 1979 in an anthology, and was published again in 1981 in Marquard's book Farewell to Matters of Principle (German: Abschied vom Prinzipiellen).

The essay posits that monotheism and the Enlightenment are based on "monomythical thinking", meaning that they only allow one story. It also posits that the separation of powers and the individual have their origin in polytheism, and argues that people should embrace what Marquard calls "enlightened polymythical thinking"—the recognition of several stories in the modern world. Marquard was a professor of philosophy and proponent of scepticism and pluralism. He belonged to a part of German philosophy that viewed the issues of modernity through political theology, which associates modern political concepts with theological concepts. Some of the points in the essay have precursors in the writings of Max Weber, Erik Peterson and Friedrich Nietzsche. (Full article...)
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King in 1964

Martin Luther King Jr. (born Michael King Jr.; January 15, 1929 – April 4, 1968) was an American Baptist minister, activist, and political philosopher who was one of the most prominent leaders in the civil rights movement from 1955 until his assassination in 1968. A Black church leader and a son of early civil rights activist and minister Martin Luther King Sr., King advanced civil rights for people of color in the United States through nonviolence and civil disobedience. Inspired by his Christian beliefs and the nonviolent activism of Mahatma Gandhi, he led targeted, nonviolent resistance against Jim Crow laws and other forms of discrimination in the United States.

King participated in and led marches for the right to vote, desegregation, labor rights, and other civil rights. He oversaw the 1955 Montgomery bus boycott and later became the first president of the Southern Christian Leadership Conference (SCLC). As president of the SCLC, he led the unsuccessful Albany Movement in Albany, Georgia, and helped organize some of the nonviolent 1963 protests in Birmingham, Alabama. King was one of the leaders of the 1963 March on Washington, where he delivered his "I Have a Dream" speech on the steps of the Lincoln Memorial. The civil rights movement achieved pivotal legislative gains in the Civil Rights Act of 1964, Voting Rights Act of 1965, and the Fair Housing Act of 1968. (Full article...)

More good articles

General images - load new batch

The following are images from various philosophy-related articles on Wikipedia.

Image 1Friedrich Nietzsche, photograph by Friedrich Hartmann, c. 1875 (from Western philosophy)
Image 2Four Greek philosophers: Socrates, Antisthenes, Chrysippos, Epicurus; British Museum (from Ancient Greek philosophy)
Image 3Bust of Socrates, Roman copy after a Greek original from the 4th century BCE (from Western philosophy)
Image 4Portrait of Immanuel Kant, c. 1790 (from Western philosophy)
Image 5The Seven Sages of the Bamboo Grove, embroidery, 1860–1880 (from Eastern philosophy)
Image 6Saint Augustine. (from Western philosophy)
Image 7Portrait of David Hume, by Allan Ramsay, 1754 (from Western philosophy)
Image 8Sigmund Freud by Max Halberstadt, c. 1921 (from Western philosophy)
Image 9Pyrrho of Elis, marble head, Roman copy, Archaeological Museum of Corfu (from Western philosophy)
Image 10Bertrand Russell (from Western philosophy)
Image 11Bronze statue of Giordano Bruno by Ettore Ferrari, Campo de' Fiori, Rome (from Western philosophy)
Image 12Avicenna (from Medieval philosophy)
Image 13Confucius (from Eastern philosophy)
Image 14Valluvar, the Tamil philosopher of the post-Sangam era (from Eastern philosophy)
Image 15Edmund Husserl, in the 1910s (from Western philosophy)
Image 16Map of Alexander the Great's empire and the route he and Pyrrho of Elis took to India (from Western philosophy)
Image 17From left to right: Virchand Gandhi, Anagarika Dharmapala, Swami Vivekananda, G. Bonet Maury. Parliament of World Religions, 1893 (from Eastern philosophy)
Image 18Xiong Shili circa 1960 (from Eastern philosophy)
Image 19Søren Kierkegaard, sketch by Niels Christian Kierkegaard, c. 1840 (from Western philosophy)
Image 20Adi Shankara (8th century CE) the main exponent of Advaita Vedānta (from Eastern philosophy)
Image 21Gottlob Frege, c. 1905 (from Western philosophy)
Image 22Erasmus is Credited as the Prince of the Humanists (from Western philosophy)
Image 23Abbo of Fleury (from Medieval philosophy)
Image 24Hu Shih and DT Suzuki during his visit to China in 1934 (from Eastern philosophy)
Image 25Fukuzawa Yukichi (1862) a key civil rights activist and liberal thinker (from Eastern philosophy)
Image 26Aristotle in The School of Athens, by Raphael (from Western philosophy)
Image 27Ionia, source of early Greek philosophy, in western Asia Minor (from Western philosophy)
Image 28Portrait by Philippe de Champaigne, 17th century (from Medieval philosophy)
Image 29Portrait of John Locke, by Sir Godfrey Kneller, 1697 (from Western philosophy)
Image 30Martin Heidegger (from Western philosophy)
Image 31William James in 1906 (from Western philosophy)
Image 32Georg Wilhelm Friedrich Hegel, steel engraving, after 1828 (from Western philosophy)
Image 33Patricia Churchland, 2005 (from Western philosophy)
Image 34Ferdinand de Saussure (from Western philosophy)
Image 35Portrait of René Descartes, after Frans Hals, second half of 17th century (from Western philosophy)
Image 36The Buddhist Nalanda university and monastery was a major center of learning in India from the 5th century CE to c. 1200. (from Eastern philosophy)
Image 37St. Anselm of Canterbury is credited as the founder of scholasticism. (from Western philosophy)
Image 38The philosopher Pyrrho of Elis, in an anecdote taken from Sextus Empiricus' Outlines of Pyrrhonism
(upper)PIRRHO • HELIENSIS •
PLISTARCHI • FILIVS
translation (from Latin): Pyrrho • Greek • Son of Plistarchus

(middle)OPORTERE • SAPIENTEM
HANC ILLIVS IMITARI
SECVRITATEMtranslation (from Latin): It is right wisdom then that all imitate this security (Pyrrho pointing at a peaceful pig munching his food)

(lower)Whoever wants to apply the real wisdom, shall not mind trepidation and misery
(from Ancient Greek philosophy)
Image 39St. Thomas Aquinas, painting by Carlo Crivelli, 1476 (from Western philosophy)

Selected pictures

Image 1Adam Smith (baptised 16 June 1723 – died 17 July 1790 [OS: 5 June 1723 – 17 July 1790]) was a Scottish moral philosopher and a pioneer of political economics. One of the key figures of the Scottish Enlightenment, Smith is the author of The Theory of Moral Sentiments and An Inquiry into the Nature and Causes of the Wealth of Nations. The latter, usually abbreviated as The Wealth of Nations, is considered his magnum opus and the first modern work of economics. Smith is widely cited as the father of modern economics.
Image 2Carl von Linné, Alexander Roslin, 1775 (oil on canvas, Gripsholm Castle). Linnaeus was a Swedish botanist, zoologist, and physician who formalised binomial nomenclature, the modern system of naming organisms. He is known as the "father of modern taxonomy".
Image 3Plato (left) and Aristotle (right), a detail of The School of Athens, a fresco by Raphael. Aristotle gestures to the earth, representing his belief in knowledge through empirical observation and experience, while holding a copy of his Nicomachean Ethics in his hand, whilst Plato gestures to the heavens, representing his belief in The Forms.
Image 4Friedrich Schiller (1759–1805) was a German poet, philosopher, physician, historian and playwright.
Image 5Niels Bohr (1885–1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.
Image 6A statue of peripatetic philosopher and botanist Theophrastus at the Palermo Botanical Gardens.
Image 7The center third of Education (1890), a stained glass window by Louis Comfort Tiffany and Tiffany Studios, located in Linsly-Chittenden Hall at Yale University. It depicts Science (personified by Devotion, Labor, Truth, Research and Intuition) and Religion (personified by Purity, Faith, Hope, Reverence and Inspiration) in harmony, presided over by the central personification of "Light·Love·Life".
Image 8The House Builders (Portraits of Sir W.E. & The Hon. Lady Welby-Gregory), an 1880 painting by Frank Dicksee
Image 9Painting of Gottfried Wilhelm Leibniz by Christoph Bernhard Francke, Braunschweig, Herzog Anton Ulrich Museum, 1700.
Image 10Oscar Wilde reclining with Poems, by Napoleon Sarony, in New York in 1882. Wilde often liked to appear idle, though in fact he worked hard; by the late 1880s he was a father, an editor, and a writer.
Image 11Jane Addams (1860–1935) was an American settlement activist, reformer, social worker, sociologist, public administrator and author. She was a notable figure in the history of social work and women's suffrage in the United States and an advocate for world peace.
Image 12Voltairine de Cleyre (1866–1912) was an American anarchist known for being a prolific writer and speaker who opposed state power, the capitalism she saw as interconnected with it, and marriage, and the domination of religion over sexuality and women's lives. She is often characterized as a major early feminist because of her views.
Image 13Lady Dorothy Browne and Sir Thomas Browne is an oil on panel painting attributed to the English artist Joan Carlile, and probably completed between 1641 and 1650. The painting depicts English physician Thomas Browne and his wife Dorothy.
Image 14Philosophy, an 1896 mural by Robert Lewis Reid in the North Corridor on the Second Floor of the Library of Congress Thomas Jefferson Building, Washington, D.C.. The caption underneath reads: "HOW CHARMING IS DIVINE PHILOSOPHY."
Image 15The statue of Immanuel Kant in front of the Immanuel Kant State University of Russia in Kaliningrad. The statue was made by notable sculptor Christian Daniel Rauch and unveiled in 1864. The statue was destroyed in 1945, but was remoulded in 1992 on the initiative of Marion Dönhoff.
Image 16Umberto Eco (1932–2016) was an Italian novelist, literary critic, philosopher, semiotician, and university professor. He is widely known for his 1980 novel Il nome della rosa (The Name of the Rose), a historical mystery combining semiotics in fiction with biblical analysis, medieval studies, and literary theory.
Image 17Leo Tolstoy in 1897. Count Lev Nikolayevich Tolstoy was a Russian writer who is regarded as one of the greatest authors of all time.

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Academic Branches of Philosophy

Philosophy ponders the most fundamental questions humankind has been able to ask. These are increasingly numerous and over time they have been arranged into the overlapping branches of the philosophy tree:

Aesthetics: What is art? What is beauty? Is there a standard of taste? Is art meaningful? If so, what does it mean? What is good art? Is art for the purpose of an end, or is "art for art's sake?" What connects us to art? How does art affect us? Is some art unethical? Can art corrupt or elevate societies?
Epistemology: What are the nature and limits of knowledge? What is more fundamental to human existence, knowing (epistemology) or being (ontology)? How do we come to know what we know? What are the limits and scope of knowledge? How can we know that there are other minds (if we can)? How can we know that there is an external world (if we can)? How can we prove our answers? What is a true statement?
Ethics: Is there a difference between ethically right and wrong actions (or values, or institutions)? If so, what is that difference? Which actions are right, and which wrong? Do divine commands make right acts right, or is their rightness based on something else? Are there standards of rightness that are absolute, or are all such standards relative to particular cultures? How should I live? What is happiness?
Logic: What makes a good argument? How can I think critically about complicated arguments? What makes for good thinking? When can I say that something just does not make sense? Where is the origin of logic?
Metaphysics: What sorts of things exist? What is the nature of those things? Do some things exist independently of our perception? What is the nature of space and time? What is the relationship of the mind to the body? What is it to be a person? What is it to be conscious? Do gods exist?
Political philosophy: Are political institutions and their exercise of power justified? What is justice? Is there a 'proper' role and scope of government? Is democracy the best form of governance? Is governance ethically justifiable? Should a state be allowed? Should a state be able to promote the norms and values of a certain moral or religious doctrine? Are states allowed to go to war? Do states have duties against inhabitants of other states?