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<Text-field style="Heading 1" layout="Normal">Descartes, Ren<Font encoding="UTF-8">\303\251</Font></Text-field>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">(1596-1650), cientista franc\303\252s, fil\303\263sofo, e matem\303\241tico que fundou a </Font><Hyperlink linktarget="Dictionary:Definition/analyticgeometry" hyperlink="true"><Font style="Dictionary Hyperlink" family="Times New Roman" encoding="UTF-8">geometria anal\303\255tica</Font></Hyperlink>, e introduziu a <Hyperlink linktarget="Dictionary:Definition/exponentialnotation" hyperlink="true"><Font style="Dictionary Hyperlink" family="Times New Roman" encoding="UTF-8">nota\303\247\303\243o exponencial</Font></Hyperlink>, <Hyperlink linktarget="Dictionary:Definition/Cartesiancoordinates" hyperlink="true"><Font style="Dictionary Hyperlink" family="Times New Roman">coordenadas Cartesianas</Font></Hyperlink><Font encoding="UTF-8">, e m\303\251todos de resolver </Font><Hyperlink linktarget="Dictionary:Definition/polynomial" hyperlink="true"><Font style="Dictionary Hyperlink" family="Times New Roman" encoding="UTF-8">equa\303\247\303\265es polinomiais</Font></Hyperlink><Hyperlink linktarget="Dictionary:Definition/equation" hyperlink="true"></Hyperlink><Font encoding="UTF-8"> \303\240 matem\303\241tica. Seu trabalho de modo geral foi regido pelo desejo de sistematizar todo conhecimento at\303\251 restar somente o que \303\251 evidente, no modelo axiom\303\241tico da geometria de Euclides, e atrav\303\251s disso alcan\303\247ar certeza. Seu m\303\251todo envolvia a suspens\303\243o da cren\303\247a em algo que poderia ser de modo conceb\303\255vel duvidado, e ele ent\303\243o fundou seu edif\303\255cio no argumento que, enquanto duvidando, </Font> His method involved the suspension of belief in anything that could conceivably be doubted, and he then founded his edifice on the argument that, while doubting, one cannot doubt that one doubts, and therefore thinks; he expressed this single self-justifying proposition in his famous Latin phrase `Cogito, ergo sum' (`Penso,logo existo'). O adjetivo <Font italic="true">Cartesiano</Font><Font encoding="UTF-8"> \303\251 derivado da pron\303\272ncia arcaica </Font><Font italic="true">Des Cartes</Font>.</Text-field>
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