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Thales of Miletus
Thales of Miletus (l. c. 585 BCE) is regarded as the first Western philosopher and mathematician. He was born and lived in Miletus, a Greek colony in Ionia (modern Turkey) referenced as the birthplace of Greek Philosophy because of his high...
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René Descartes
René Descartes (1596-1650) was a French mathematician, natural scientist, and philosopher, best known by the phrase 'Cogito ergo sum' ('I think therefore I am'). He published works on optics, coordinate geometry, physiology, and cosmology...
Definition
Musonius Rufus
Gaius Musonius Rufus (c. 30 CE - c. 101 CE) was an influential 1st-century CE Stoic philosopher. While in modern times he is best known for being the teacher of Epictetus (c. 50 CE - c. 130 CE), Rufus was a highly respected figure in ancient...
Definition
Social Contract
The social contract is an idea in philosophy that at some real or hypothetical point in the past, humans left the state of nature to join together and form societies by mutually agreeing which rights they would enjoy and how they would be...
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Immanuel Kant
Immanuel Kant (1724-1804) was a German Enlightenment thinker who is widely regarded as one of the most important philosophers of any period. His most famous works of critical philosophy include The Critique of Pure Reason, which challenged...
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Philosophy Presenting the Seven Liberal Arts to Boethius
Anicius Manlius Severinus Boethius (c. 475-525 CE) is depicted on the far left. An allegory of Philosophy presents to him the allegories of the Seven Liberal Arts dressed in 15th century clothing, each holding a symbol of their subject; from...
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The Philosophy of Stoicism - Massimo Pigliucci
View full lesson: http://ed.ted.com/lessons/the-philosophy-of-stoicism-massimo-pigliucci What is the best life we can live? How can we cope with whatever the universe throws at us and keep thriving nonetheless? The ancient Greco-Roman...
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Pyrrho
Pyrrho of Elis (l. c. 360 to c. 270 BCE) was a Greek skeptic philosopher credited with founding the school of Pyrrhonism which taught that one must resist making judgments or stating conclusions because sense perception did not correlate...
Definition
Mo Ti
Mo Ti (l. 470-391 BCE, also known as Mot Tzu, Mozi, and Micius) was a Chinese philosopher of the Warring States Period (c. 481-221 BCE) associated with the Hundred Schools of Thought (different philosophical schools which established themselves...
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Boethius & Lady Philosophy
Boethius and Lady Philosophy, a hand-painted illustration from an early print of Boethius' (c. 477-524/5) Consolation of Philosophy, Ghent, 1485.
Library of Congress, Washington D. C.