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Kubla Khan. Samuel Taylor Coleridge wrote Kubla Khan (completed in 1797 and published in 1816) upon awakening from an opium-influenced dream. In a preface to the work, he described having the poem come to him, fully formed, in his dream. When he woke, he immediately set to writing it down, but was interrupted by a visitor and could not remember ...
Archimedes was born c. 287 BC in the seaport city of Syracuse, Sicily, at that time a self-governing colony in Magna Graecia. The date of birth is based on a statement by the Byzantine Greek scholar John Tzetzes that Archimedes lived for 75 years before his death in 212 BC. [8] In the Sand-Reckoner, Archimedes gives his father's name as Phidias ...
Bellum omnium contra omnes. Signature. Thomas Hobbes ( / hɒbz / HOBZ; 5 April 1588 – 4 December 1679) was an English philosopher. Hobbes is best known for his 1651 book Leviathan, in which he expounds an influential formulation of social contract theory. [4] He is considered to be one of the founders of modern political philosophy.
People. v. t. e. Cartesian doubt is a form of methodological skepticism associated with the writings and methodology of René Descartes (March 31, 1596–February 11, 1650). [1] [2] : 88 Cartesian doubt is also known as Cartesian skepticism, methodic doubt, methodological skepticism, universal doubt, systematic doubt, or hyperbolic doubt .
An ontological argument is a philosophical argument, made from an ontological basis, that is advanced in support of the existence of God. Such arguments tend to refer to the state of being or existing. More specifically, ontological arguments are commonly conceived a priori in regard to the organization of the universe, whereby, if such ...
The evil demon, also known as Deus deceptor, [1] malicious demon, [2] and evil genius, [1] [3] is an epistemological concept that features prominently in Cartesian philosophy. [1] In the first of his 1641 Meditations on First Philosophy, Descartes imagines that a malevolent God [1] or an evil demon, of "utmost power and cunning has employed all ...
Gottfried Wilhelm Leibniz [a] (1 July 1646 [ O.S. 21 June] – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat who invented calculus in addition to many other branches of mathematics and statistics. Leibniz has been called the "last universal genius" due to his knowledge and skills in ...
Descartes' rule of signs. In mathematics, Descartes' rule of signs, first described by René Descartes in his work La Géométrie, is a technique for getting information on the number of positive real roots of a polynomial. It asserts that the number of positive roots is at most the number of sign changes in the sequence of polynomial's ...