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René Descartes

Portrait after [[Frans Hals]]{{NoteTag|Although the uncertain authorship of this most iconic portrait of Descartes was traditionally attributed to Frans Hals, there is no record of their meeting. During the 20th century the assumption was widely challenged.<ref>[[Steven Nadler|Nadler, Steven]], [https://books.google.com/books?id=a2yYDwAAQBAJ ''The Philosopher, The Priest, and The Painter: A Portrait of Descartes''] {{Webarchive|url=https://web.archive.org/web/20201115073610/https://books.google.com/books?id=a2yYDwAAQBAJ&printsec=frontcover |date=15 November 2020 }} (Princeton, NJ: [[Princeton University Press]], 2013), pp. 174–198.</ref>}}

René Descartes ( , ; 31 March 1596 – 11 February 1650) was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and science. Mathematics was paramount to his method of inquiry, and he connected the previously separate fields of geometry and algebra into analytic geometry.

Refusing to accept the authority of previous philosophers, Descartes frequently set his views apart from the philosophers who preceded him. In the opening section of the ''Passions of the Soul'', an early modern treatise on emotions, Descartes goes so far as to assert that he will write on this topic "as if no one had written on these matters before." His best known philosophical statement is "" ("I think, therefore I am," ).

Descartes has often been called the father of modern philosophy, and he is largely seen as responsible for the increased attention given to epistemology in the 17th century. He was one of the key figures in the Scientific Revolution, and his ''Meditations on First Philosophy'' and other philosophical works continue to be studied. His influence in mathematics is equally apparent, being the namesake of the Cartesian coordinate system. Descartes is also credited as the father of analytic geometry, which facilitated the discovery of infinitesimal calculus and analysis. Provided by Wikipedia

Over de methode inleiding over de methode: om zijn rede goed te leiden en de waarheid te achterhalen in de wetenschappen

by Descartes, René 1596-1650, Verbeek, Theodorus Hendrikus Maria 1945-
Published 2002

Boek

De passies van de ziel

by Descartes, René 1596-1650, Verbeek, Theodorus Hendrikus Maria 1945-
Published 2008

Boek

Bibliotheek Descartes /. Bd. 2 / red. en annotatie Erik-Jan Bos, Han van Ruler ; inl. Erik-Jan Bos ; vert. [uit het Frans] Jeanne Holierhoek

by Descartes, René 1596-1650, Bos, Jan Jacobus Frederik Maria 1969-, Ruler, Johan Arie 1963-, Holierhoek, Jeanne
Published 2011

Boek

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* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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René Descartes

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