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The Philosophy Portal

A portal for Wikipedia's philosophy resources • 18,428 articles in English
The Thinker, a statue by Auguste Rodin, is often used to represent philosophy.

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, such as physics and psychology, formed part of philosophy. However, they are considered separate academic disciplines in the modern sense of the term. Influential 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 principally 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 subfields are aesthetics, philosophy of language, philosophy of mind, philosophy of religion, philosophy of science, philosophy of mathematics, philosophy of history, and political philosophy. Within each branch, there are competing schools of philosophy that promote different principles, theories, or methods.

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, including the sciences, mathematics, business, law, and journalism. It provides an interdisciplinary perspective and studies the scope and fundamental concepts of these fields. It also investigates their methods and ethical implications. (Full article...)

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Selected philosopher of the week

John Locke
John Locke

John Locke (August 29, 1632 – October 28, 1704) was an influential English philosopher. In epistemology, Locke has often been classified as a British Empiricist, along with David Hume and George Berkeley. He is equally important as a social contract theorist, as he developed an alternative to the Hobbesian state of nature and argued a government could only be legitimate if it received the consent of the governed through a social contract and protected the natural rights of life, liberty, and estate. If such consent was not given, argued Locke, citizens had a right of rebellion. Locke is one of the few major philosophers who became a minister of government.

Locke's ideas had an enormous influence on the development of political philosophy, and he is widely regarded as one of the most influential Enlightenment thinkers and contributors to liberal theory. His writings, along with those of many Scottish Enlightenment thinkers, influenced the American revolutionaries as reflected in the American Declaration of Independence.


Selected article of the week

Transhumanism (sometimes abbreviated >H or H+) is an international intellectual and cultural movement supporting the use of new sciences and technologies to enhance human cognitive and physical abilities and ameliorate what it regards as undesirable and unnecessary aspects of the human condition, such as disease, aging, and death. Transhumanist thinkers study the possibilities and consequences of developing and using human enhancement techniques and other emerging technologies for these purposes. Possible dangers, as well as benefits, of powerful new technologies that might radically change the conditions of human life are also of concern to the transhumanist movement.

Although the first known use of the term "transhumanism" dates from 1957, the contemporary meaning is a product of the 1980s, when a group of scientists, artists, and futurists based in the United States began to organize what has since grown into the transhumanist movement. Transhumanist thinkers postulate that human beings will eventually be transformed into beings with such greatly expanded abilities as to merit the label "posthuman".

The transhumanist vision of a profoundly transformed future humanity has attracted many supporters as well as critics from a wide range of perspectives. Transhumanism has been described by a proponent as the "movement that epitomizes the most daring, courageous, imaginative, and idealistic aspirations of humanity," while according to a prominent critic, it is the world's most dangerous idea.


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  • Image 1 Florian Witold Znaniecki (15 January 1882 – 23 March 1958) was a Polish and American philosopher and sociologist who taught and wrote in Poland and in the United States. Over the course of his work, he shifted his focus from philosophy to sociology. He remains a major figure in the history of Polish and American sociology; the founder of Polish academic sociology, and of an entire school of thought in sociology. He won international renown as co-author, with William I. Thomas, of the study, The Polish Peasant in Europe and America (1918–1920), which is considered the foundation of modern empirical sociology. He also made major contributions to sociological theory, introducing terms such as "humanistic coefficient" and "culturalism". (Full article...)

    Florian Witold Znaniecki (15 January 1882 – 23 March 1958) was a Polish and American philosopher and sociologist who taught and wrote in Poland and in the United States. Over the course of his work, he shifted his focus from philosophy to sociology. He remains a major figure in the history of Polish and American sociology; the founder of Polish academic sociology, and of an entire school of thought in sociology.

    He won international renown as co-author, with William I. Thomas, of the study, The Polish Peasant in Europe and America (1918–1920), which is considered the foundation of modern empirical sociology. He also made major contributions to sociological theory, introducing terms such as "humanistic coefficient" and "culturalism". (Full article...)
  • Image 2 Wilde in 1882 Oscar Fingal O'Fflahertie Wills Wilde (16 October 1854 – 30 November 1900) was an Irish poet and playwright. After writing in different forms throughout the 1880s, he became one of the most popular playwrights in London in the early 1890s. He is best remembered for his epigrams and plays, his novel The Picture of Dorian Gray, and his criminal conviction for gross indecency for homosexual acts. Wilde's parents were Anglo-Irish intellectuals in Dublin. In his youth, Wilde learned to speak fluent French and German. At university, he read Greats; he demonstrated himself to be an exceptional classicist, first at Trinity College Dublin, then at Magdalen College, Oxford. He became associated with the emerging philosophy of aestheticism, led by two of his tutors, Walter Pater and John Ruskin. After university, Wilde moved to London into fashionable cultural and social circles. (Full article...)

    Wilde in 1882

    Oscar Fingal O'Fflahertie Wills Wilde (16 October 1854 – 30 November 1900) was an Irish poet and playwright. After writing in different forms throughout the 1880s, he became one of the most popular playwrights in London in the early 1890s. He is best remembered for his epigrams and plays, his novel The Picture of Dorian Gray, and his criminal conviction for gross indecency for homosexual acts.

    Wilde's parents were Anglo-Irish intellectuals in Dublin. In his youth, Wilde learned to speak fluent French and German. At university, he read Greats; he demonstrated himself to be an exceptional classicist, first at Trinity College Dublin, then at Magdalen College, Oxford. He became associated with the emerging philosophy of aestheticism, led by two of his tutors, Walter Pater and John Ruskin. After university, Wilde moved to London into fashionable cultural and social circles. (Full article...)
  • Image 3 Clare Palmer (born 1967) is a British philosopher, theologian and scholar of environmental and religious studies. She is known for her work on environmental and animal ethics. She was appointed as a professor in the Department of Philosophy at Texas A&M University in 2010. She had previously held academic appointments at the Universities of Greenwich, Stirling, and Lancaster in the United Kingdom, and Washington University in St. Louis in the United States, among others. She has published three sole-authored books: Environmental Ethics (ABC-CLIO, 1997), Environmental Ethics and Process Thinking (Oxford University Press, 1998) and Animal Ethics in Context (Columbia University Press, 2010). She has also published two co-authored books and has edited (or co-edited) seven collections or anthologies. She is a former editor of the religious studies journal Worldviews: Environment, Culture, Religion, and a former president of the International Society for Environmental Ethics. (Full article...)
    Clare Palmer (born 1967) is a British philosopher, theologian and scholar of environmental and religious studies. She is known for her work on environmental and animal ethics. She was appointed as a professor in the Department of Philosophy at Texas A&M University in 2010. She had previously held academic appointments at the Universities of Greenwich, Stirling, and Lancaster in the United Kingdom, and Washington University in St. Louis in the United States, among others.

    She has published three sole-authored books: Environmental Ethics (ABC-CLIO, 1997), Environmental Ethics and Process Thinking (Oxford University Press, 1998) and Animal Ethics in Context (Columbia University Press, 2010). She has also published two co-authored books and has edited (or co-edited) seven collections or anthologies. She is a former editor of the religious studies journal Worldviews: Environment, Culture, Religion, and a former president of the International Society for Environmental Ethics. (Full article...)
  • Image 4 A diagram demonstrating mutation and selection Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations. Charles Darwin popularised the term "natural selection", contrasting it with artificial selection, which is intentional, whereas natural selection is not. Variation of traits, both genotypic and phenotypic, exists within all populations of organisms. However, some traits are more likely to facilitate survival and reproductive success. Thus, these traits are passed onto the next generation. These traits can also become more common within a population if the environment that favours these traits remains fixed. If new traits become more favored due to changes in a specific niche, microevolution occurs. If new traits become more favored due to changes in the broader environment, macroevolution occurs. Sometimes, new species can arise especially if these new traits are radically different from the traits possessed by their predecessors. (Full article...)
    A diagram demonstrating mutation and selection

    Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations. Charles Darwin popularised the term "natural selection", contrasting it with artificial selection, which is intentional, whereas natural selection is not.

    Variation of traits, both genotypic and phenotypic, exists within all populations of organisms. However, some traits are more likely to facilitate survival and reproductive success. Thus, these traits are passed onto the next generation. These traits can also become more common within a population if the environment that favours these traits remains fixed. If new traits become more favored due to changes in a specific niche, microevolution occurs. If new traits become more favored due to changes in the broader environment, macroevolution occurs. Sometimes, new species can arise especially if these new traits are radically different from the traits possessed by their predecessors. (Full article...)
  • Image 5 The Iranian Enlightenment (Persian: روشنگری ایرانی), sometimes called the first generation of intellectual movements in Iran (Persian: نسل اول جنبش های روشنفکری در ایران), brought new ideas into traditional Iranian society from the mid-nineteenth to the early twentieth century. During the rule of the Qajar dynasty, and especially after the defeat of Iran in its war with the Russian Empire, cultural exchanges led to the formation of new ideas among the educated class of Iran.The establishment of Dar ul-Fonun, the first modern university in Iran and the arrival of foreign professors, caused the thoughts of European thinkers to enter Iran, followed by the first signs of enlightenment and intellectual movements in Iran. During this period, intellectual groups were formed in secret societies and secret associations. These secret societies included Mirza Malkam Khan's Faramosh Khaneh (based on Masonic lodges), Anjoman-e Okhovat, Society of Humanity and Mokhadarat Vatan Association. These groups spread their ideas by distributing leaflets and newspapers. These secret societies stressed the need to reform the land and administrative system and reduce the role of the clergy in society, as well as to limit the rulers within the framework of the law. (Full article...)
    The Iranian Enlightenment (Persian: روشنگری ایرانی), sometimes called the first generation of intellectual movements in Iran (Persian: نسل اول جنبش های روشنفکری در ایران), brought new ideas into traditional Iranian society from the mid-nineteenth to the early twentieth century. During the rule of the Qajar dynasty, and especially after the defeat of Iran in its war with the Russian Empire, cultural exchanges led to the formation of new ideas among the educated class of Iran.The establishment of Dar ul-Fonun, the first modern university in Iran and the arrival of foreign professors, caused the thoughts of European thinkers to enter Iran, followed by the first signs of enlightenment and intellectual movements in Iran.

    During this period, intellectual groups were formed in secret societies and secret associations. These secret societies included Mirza Malkam Khan's Faramosh Khaneh (based on Masonic lodges), Anjoman-e Okhovat, Society of Humanity and Mokhadarat Vatan Association. These groups spread their ideas by distributing leaflets and newspapers. These secret societies stressed the need to reform the land and administrative system and reduce the role of the clergy in society, as well as to limit the rulers within the framework of the law. (Full article...)
  • Image 6 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. This Renaissance work, now known as the pseudo-Ciceronian Consolatio, does survive. (Full article...)
    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. This Renaissance work, now known as the pseudo-Ciceronian Consolatio, does survive. (Full article...)
  • Image 7 Title page from the first edition (1848) Eureka (1848) is a lengthy non-fiction work by the American author Edgar Allan Poe (1809–1849) which he subtitled "A Prose Poem", though it has also been subtitled "An Essay on the Material and Spiritual Universe". Adapted from a lecture he had presented, Eureka describes Poe's intuitive conception of the nature of the universe, with no antecedent scientific work done to reach his conclusions. He also discusses man's relationship with God, whom he compares to an author. Eureka is dedicated to the German naturalist and explorer Alexander von Humboldt (1769–1859). Though Eureka is generally considered a literary work, some of Poe's ideas anticipate 20th-century scientific discoveries and theories. Analysis of Eureka's scientific content shows congruities with modern cosmology, stemming from Poe's assumption of an evolving Universe. (Full article...)
    A simple book cover.
    Title page from the first edition (1848)

    Eureka (1848) is a lengthy non-fiction work by the American author Edgar Allan Poe (1809–1849) which he subtitled "A Prose Poem", though it has also been subtitled "An Essay on the Material and Spiritual Universe". Adapted from a lecture he had presented, Eureka describes Poe's intuitive conception of the nature of the universe, with no antecedent scientific work done to reach his conclusions. He also discusses man's relationship with God, whom he compares to an author. Eureka is dedicated to the German naturalist and explorer Alexander von Humboldt (1769–1859).

    Though Eureka is generally considered a literary work, some of Poe's ideas anticipate 20th-century scientific discoveries and theories. Analysis of Eureka's scientific content shows congruities with modern cosmology, stemming from Poe's assumption of an evolving Universe. (Full article...)
  • Image 8 From Bakunin to Lacan: Anti-Authoritarianism and the Dislocation of Power is a book on political philosophy by Saul Newman, published in 2001. It investigates the essential characteristics of anarchist theory, which holds that government and hierarchy are undesirable forms of social organisation. Newman seeks to move beyond the limitations these characteristics imposed on classical anarchism by using concepts from post-structuralist thought. By applying post-structuralist theory to anarchism, Newman presents an account of post-anarchism. His post-anarchism is more substantive than that of earlier thinkers, and has influenced later approaches to the philosophy. Released in a climate of an anarchist movement hostile to postmodern philosophy, From Bakunin to Lacan was criticised for its poor understanding of and engagement with contemporary anarchism. (Full article...)
    From Bakunin to Lacan: Anti-Authoritarianism and the Dislocation of Power is a book on political philosophy by Saul Newman, published in 2001. It investigates the essential characteristics of anarchist theory, which holds that government and hierarchy are undesirable forms of social organisation. Newman seeks to move beyond the limitations these characteristics imposed on classical anarchism by using concepts from post-structuralist thought.

    By applying post-structuralist theory to anarchism, Newman presents an account of post-anarchism. His post-anarchism is more substantive than that of earlier thinkers, and has influenced later approaches to the philosophy. Released in a climate of an anarchist movement hostile to postmodern philosophy, From Bakunin to Lacan was criticised for its poor understanding of and engagement with contemporary anarchism. (Full article...)
  • Image 9 Eliminative materialism (also called eliminativism) is a materialist position in the philosophy of mind. It is the idea that the majority of mental states in folk psychology do not exist. Some supporters of eliminativism argue that no coherent neural basis will be found for many everyday psychological concepts such as belief or desire, since they are poorly defined. The argument is that psychological concepts of behavior and experience should be judged by how well they reduce to the biological level. Other versions entail the nonexistence of conscious mental states such as pain and visual perceptions. Eliminativism about a class of entities is the view that the class of entities does not exist. For example, materialism tends to be eliminativist about the soul; modern chemists are eliminativist about phlogiston; modern biologists are eliminativist about élan vital; and modern physicists are eliminativist about luminiferous ether. Eliminative materialism is the relatively new (1960s–70s) idea that certain classes of mental entities that common sense takes for granted, such as beliefs, desires, and the subjective sensation of pain, do not exist. The most common versions are eliminativism about propositional attitudes, as expressed by Paul and Patricia Churchland, and eliminativism about qualia (subjective interpretations about particular instances of subjective experience), as expressed by Daniel Dennett, Georges Rey, and Jacy Reese Anthis. (Full article...)
    Eliminative materialism (also called eliminativism) is a materialist position in the philosophy of mind. It is the idea that the majority of mental states in folk psychology do not exist. Some supporters of eliminativism argue that no coherent neural basis will be found for many everyday psychological concepts such as belief or desire, since they are poorly defined. The argument is that psychological concepts of behavior and experience should be judged by how well they reduce to the biological level. Other versions entail the nonexistence of conscious mental states such as pain and visual perceptions.

    Eliminativism about a class of entities is the view that the class of entities does not exist. For example, materialism tends to be eliminativist about the soul; modern chemists are eliminativist about phlogiston; modern biologists are eliminativist about élan vital; and modern physicists are eliminativist about luminiferous ether. Eliminative materialism is the relatively new (1960s–70s) idea that certain classes of mental entities that common sense takes for granted, such as beliefs, desires, and the subjective sensation of pain, do not exist. The most common versions are eliminativism about propositional attitudes, as expressed by Paul and Patricia Churchland, and eliminativism about qualia (subjective interpretations about particular instances of subjective experience), as expressed by Daniel Dennett, Georges Rey, and Jacy Reese Anthis. (Full article...)
  • Image 10 Broad classification of Karmas as per Jain philosophy Karma is the basic principle within an overarching psycho-cosmology in Jainism. Human moral actions form the basis of the transmigration of the soul (jīva). The soul is constrained to a cycle of rebirth, trapped within the temporal world (saṃsāra), until it finally achieves liberation (mokṣa). Liberation is achieved by following a path of purification. Jains believe that karma is a physical substance that is everywhere in the universe. Karma particles are attracted to the soul by the actions of that soul. Karma particles are attracted when we do, think, or say things, when we kill something, when we lie, when we steal and so on. Karma not only encompasses the causality of transmigration, but is also conceived of as an extremely subtle matter, which infiltrates the soul—obscuring its natural, transparent and pure qualities. Karma is thought of as a kind of pollution, that taints the soul with various colours (leśyā). Based on its karma, a soul undergoes transmigration and reincarnates in various states of existence—like heavens or hells, or as humans or animals. (Full article...)
    Broad classification of Karmas as per Jain philosophy

    Karma is the basic principle within an overarching psycho-cosmology in Jainism. Human moral actions form the basis of the transmigration of the soul (jīva). The soul is constrained to a cycle of rebirth, trapped within the temporal world (saṃsāra), until it finally achieves liberation (mokṣa). Liberation is achieved by following a path of purification.

    Jains believe that karma is a physical substance that is everywhere in the universe. Karma particles are attracted to the soul by the actions of that soul. Karma particles are attracted when we do, think, or say things, when we kill something, when we lie, when we steal and so on. Karma not only encompasses the causality of transmigration, but is also conceived of as an extremely subtle matter, which infiltrates the soul—obscuring its natural, transparent and pure qualities. Karma is thought of as a kind of pollution, that taints the soul with various colours (leśyā). Based on its karma, a soul undergoes transmigration and reincarnates in various states of existence—like heavens or hells, or as humans or animals. (Full article...)
  • Image 11 Five uses of "think of the children" before the United States Congress "Think of the children" (also "What about the children?") is a cliché that evolved into a rhetorical tactic. In the literal sense, it refers to children's rights (as in discussions of child labor). In debate, it is a plea for pity that is used as an appeal to emotion, and therefore may become a logical fallacy. (Full article...)
    Typed statements with different sizes and fonts on a white background. The statements all include the phrase "think of the children"
    Five uses of "think of the children" before the United States Congress

    "Think of the children" (also "What about the children?") is a cliché that evolved into a rhetorical tactic. In the literal sense, it refers to children's rights (as in discussions of child labor). In debate, it is a plea for pity that is used as an appeal to emotion, and therefore may become a logical fallacy. (Full article...)
  • Image 12 Keynes in 1933 John Maynard Keynes, 1st Baron Keynes CB, FBA (/keɪnz/ KAYNZ; 5 June 1883 – 21 April 1946), was an English economist and philosopher whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments. Originally trained in mathematics, he built on and greatly refined earlier work on the causes of business cycles. One of the most influential economists of the 20th century, he produced writings that are the basis for the school of thought known as Keynesian economics, and its various offshoots. His ideas, reformulated as New Keynesianism, are fundamental to mainstream macroeconomics. He is known as the "father of macroeconomics". During the Great Depression of the 1930s, Keynes spearheaded a revolution in economic thinking, challenging the ideas of neoclassical economics that held that free markets would, in the short to medium term, automatically provide full employment, as long as workers were flexible in their wage demands. He argued that aggregate demand (total spending in the economy) determined the overall level of economic activity, and that inadequate aggregate demand could lead to prolonged periods of high unemployment, and since wages and labour costs are rigid downwards the economy will not automatically rebound to full employment. Keynes advocated the use of fiscal and monetary policies to mitigate the adverse effects of economic recessions and depressions. After the 1929 crisis, Keynes also turned away from a fundamental pillar of neoclassical economics: free trade. He criticized Ricardian comparative advantage theory (the foundation of free trade), considering the theory's initial assumptions unrealistic, and became definitively protectionist. He detailed these ideas in his magnum opus, The General Theory of Employment, Interest and Money, published in early 1936. By the late 1930s, leading Western economies had begun adopting Keynes's policy recommendations. Almost all capitalist governments had done so by the end of the two decades following Keynes's death in 1946. As a leader of the British delegation, Keynes participated in the design of the international economic institutions established after the end of World War II but was overruled by the American delegation on several aspects. (Full article...)

    Keynes in 1933

    John Maynard Keynes, 1st Baron Keynes CB, FBA (/keɪnz/ KAYNZ; 5 June 1883 – 21 April 1946), was an English economist and philosopher whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments. Originally trained in mathematics, he built on and greatly refined earlier work on the causes of business cycles. One of the most influential economists of the 20th century, he produced writings that are the basis for the school of thought known as Keynesian economics, and its various offshoots. His ideas, reformulated as New Keynesianism, are fundamental to mainstream macroeconomics. He is known as the "father of macroeconomics".

    During the Great Depression of the 1930s, Keynes spearheaded a revolution in economic thinking, challenging the ideas of neoclassical economics that held that free markets would, in the short to medium term, automatically provide full employment, as long as workers were flexible in their wage demands. He argued that aggregate demand (total spending in the economy) determined the overall level of economic activity, and that inadequate aggregate demand could lead to prolonged periods of high unemployment, and since wages and labour costs are rigid downwards the economy will not automatically rebound to full employment. Keynes advocated the use of fiscal and monetary policies to mitigate the adverse effects of economic recessions and depressions. After the 1929 crisis, Keynes also turned away from a fundamental pillar of neoclassical economics: free trade. He criticized Ricardian comparative advantage theory (the foundation of free trade), considering the theory's initial assumptions unrealistic, and became definitively protectionist. He detailed these ideas in his magnum opus, The General Theory of Employment, Interest and Money, published in early 1936. By the late 1930s, leading Western economies had begun adopting Keynes's policy recommendations. Almost all capitalist governments had done so by the end of the two decades following Keynes's death in 1946. As a leader of the British delegation, Keynes participated in the design of the international economic institutions established after the end of World War II but was overruled by the American delegation on several aspects. (Full article...)
  • Image 13 Roman marble bust of Epicurus Epicurus (/ˌɛpɪˈkjʊərəs/, EH-pih-KURE-əs; Ancient Greek: Ἐπίκουρος Epikouros; 341–270 BC) was an ancient Greek philosopher and sage who founded Epicureanism, a highly influential school of philosophy. He was born on the Greek island of Samos to Athenian parents. Influenced by Democritus, Aristippus, Pyrrho, and possibly the Cynics, he turned against the Platonism of his day and established his own school, known as "the Garden", in Athens. Epicurus and his followers were known for eating simple meals and discussing a wide range of philosophical subjects. He openly allowed women and slaves to join the school as a matter of policy. Of the over 300 works said to have been written by Epicurus about various subjects, the vast majority have been lost. Only three letters written by him—the letters to Menoeceus, Pythocles, and Herodotus—and two collections of quotes—the Principal Doctrines and the Vatican Sayings—have survived intact, along with a few fragments of his other writings. As a result of his work's destruction, most knowledge about his philosophy is due to later authors, particularly the biographer Diogenes Laërtius, the Epicurean Roman poet Lucretius and the Epicurean philosopher Philodemus, as well as the hostile but largely accurate accounts by the Pyrrhonist philosopher Sextus Empiricus, and the Academic Skeptic and statesman Cicero. Epicurus asserted that philosophy's purpose is to attain as well as to help others attain happy (eudaimonic), tranquil lives characterized by ataraxia (peace and freedom from fear) and aponia (the absence of pain). He advocated that people were best able to pursue philosophy by living a self-sufficient life surrounded by friends. He taught that the root of all human neuroses is denial of death and the tendency for human beings to assume that death will be horrific and painful, which he claimed causes unnecessary anxiety, selfish self-protective behaviors, and hypocrisy. According to Epicurus, death is the end of both the body and the soul and therefore should not be feared. Epicurus taught that although the gods exist, they have no involvement in human affairs. He taught that people should act ethically not because the gods punish or reward them for their actions but because, due to the power of guilt, amoral behavior would inevitably lead to remorse weighing on their consciences and as a result, they would be prevented from attaining ataraxia. (Full article...)

    Roman marble bust of Epicurus

    Epicurus (/ˌɛpɪˈkjʊərəs/, EH-pih-KURE-əs; Ancient Greek: Ἐπίκουρος Epikouros; 341–270 BC) was an ancient Greek philosopher and sage who founded Epicureanism, a highly influential school of philosophy. He was born on the Greek island of Samos to Athenian parents. Influenced by Democritus, Aristippus, Pyrrho, and possibly the Cynics, he turned against the Platonism of his day and established his own school, known as "the Garden", in Athens. Epicurus and his followers were known for eating simple meals and discussing a wide range of philosophical subjects. He openly allowed women and slaves to join the school as a matter of policy. Of the over 300 works said to have been written by Epicurus about various subjects, the vast majority have been lost. Only three letters written by him—the letters to Menoeceus, Pythocles, and Herodotus—and two collections of quotes—the Principal Doctrines and the Vatican Sayings—have survived intact, along with a few fragments of his other writings. As a result of his work's destruction, most knowledge about his philosophy is due to later authors, particularly the biographer Diogenes Laërtius, the Epicurean Roman poet Lucretius and the Epicurean philosopher Philodemus, as well as the hostile but largely accurate accounts by the Pyrrhonist philosopher Sextus Empiricus, and the Academic Skeptic and statesman Cicero.

    Epicurus asserted that philosophy's purpose is to attain as well as to help others attain happy (eudaimonic), tranquil lives characterized by ataraxia (peace and freedom from fear) and aponia (the absence of pain). He advocated that people were best able to pursue philosophy by living a self-sufficient life surrounded by friends. He taught that the root of all human neuroses is denial of death and the tendency for human beings to assume that death will be horrific and painful, which he claimed causes unnecessary anxiety, selfish self-protective behaviors, and hypocrisy. According to Epicurus, death is the end of both the body and the soul and therefore should not be feared. Epicurus taught that although the gods exist, they have no involvement in human affairs. He taught that people should act ethically not because the gods punish or reward them for their actions but because, due to the power of guilt, amoral behavior would inevitably lead to remorse weighing on their consciences and as a result, they would be prevented from attaining ataraxia. (Full article...)
  • Image 14 Philosophy of science is the branch of philosophy concerned with the foundations, methods, and implications of science. Amongst its central questions are the difference between science and non-science, the reliability of scientific theories, and the ultimate purpose and meaning of science as a human endeavour. Philosophy of science focuses on metaphysical, epistemic and semantic aspects of scientific practice, and overlaps with metaphysics, ontology, logic, and epistemology, for example, when it explores the relationship between science and the concept of truth. Philosophy of science is both a theoretical and empirical discipline, relying on philosophical theorising as well as meta-studies of scientific practice. Ethical issues such as bioethics and scientific misconduct are often considered ethics or science studies rather than the philosophy of science. Many of the central problems concerned with the philosophy of science lack contemporary consensus, including whether science can infer truth about unobservable entities and whether inductive reasoning can be justified as yielding definite scientific knowledge. Philosophers of science also consider philosophical problems within particular sciences (such as biology, physics and social sciences such as economics and psychology). Some philosophers of science also use contemporary results in science to reach conclusions about philosophy itself. (Full article...)
    Philosophy of science is the branch of philosophy concerned with the foundations, methods, and implications of science. Amongst its central questions are the difference between science and non-science, the reliability of scientific theories, and the ultimate purpose and meaning of science as a human endeavour. Philosophy of science focuses on metaphysical, epistemic and semantic aspects of scientific practice, and overlaps with metaphysics, ontology, logic, and epistemology, for example, when it explores the relationship between science and the concept of truth. Philosophy of science is both a theoretical and empirical discipline, relying on philosophical theorising as well as meta-studies of scientific practice. Ethical issues such as bioethics and scientific misconduct are often considered ethics or science studies rather than the philosophy of science.

    Many of the central problems concerned with the philosophy of science lack contemporary consensus, including whether science can infer truth about unobservable entities and whether inductive reasoning can be justified as yielding definite scientific knowledge. Philosophers of science also consider philosophical problems within particular sciences (such as biology, physics and social sciences such as economics and psychology). Some philosophers of science also use contemporary results in science to reach conclusions about philosophy itself. (Full article...)
  • Image 15 Winkler County, Texas The Winkler County nurse whistleblower case was a series of legal proceedings in West Texas concerning the retaliation against two nurses who submitted an anonymous state medical board complaint against a physician in 2009. The case attracted national attention for its implications on whistleblowing by nurses. After witnessing what they believed to be unsafe medical care, nurses Anne Mitchell and Vicki Galle submitted an anonymous complaint against Dr. Rolando Arafiles to the Texas Medical Board (TMB). When he learned of the complaint, Arafiles spoke with the sheriff of Winkler County, alleging that the nurses' reports to the medical board constituted harassment. The sheriff investigated and obtained the TMB complaint, which provided enough information that Galle and Mitchell could be identified as the sources of the complaint. Galle and Mitchell were terminated from the hospital and faced criminal charges of misuse of official information. Galle's charges were dropped before trial and Mitchell was acquitted by a jury. In the aftermath of Mitchell's trial, Arafiles, several county officials and a hospital administrator all faced jail time for their roles in the retaliation against the nurses. (Full article...)
    Winkler County, Texas

    The Winkler County nurse whistleblower case was a series of legal proceedings in West Texas concerning the retaliation against two nurses who submitted an anonymous state medical board complaint against a physician in 2009. The case attracted national attention for its implications on whistleblowing by nurses.

    After witnessing what they believed to be unsafe medical care, nurses Anne Mitchell and Vicki Galle submitted an anonymous complaint against Dr. Rolando Arafiles to the Texas Medical Board (TMB). When he learned of the complaint, Arafiles spoke with the sheriff of Winkler County, alleging that the nurses' reports to the medical board constituted harassment. The sheriff investigated and obtained the TMB complaint, which provided enough information that Galle and Mitchell could be identified as the sources of the complaint. Galle and Mitchell were terminated from the hospital and faced criminal charges of misuse of official information. Galle's charges were dropped before trial and Mitchell was acquitted by a jury. In the aftermath of Mitchell's trial, Arafiles, several county officials and a hospital administrator all faced jail time for their roles in the retaliation against the nurses. (Full article...)
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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?

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