Great Mathematicians

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Emmanuel Morand Le présent site web a pour objet de mettre à disposition quelques ressources relatives à l'enseignement des Mathématiques. Les documents de cours conçus au moyen du traitement de texte LaTeX sont enregistrés au format pdf et peuvent être lus au moyen du logiciel gratuit Adobe Acrobat Reader. Le site est construit à l'aide des feuilles de style css et il est donc conseillé d'utiliser un navigateur qui respecte les standards du Web pour obtenir un rendu optimal. Emmanuel Morand
One Hundred Interesting Mathematical Calculations, Number 9: Archive Entry From Brad DeLong's Webjournal One Hundred Interesting Mathematical Calculations, Number 9 One Hundred Interesting Mathematical Calculations, Number 9: False Positives Suppose that we have a test for a disease that is 98% accurate: if one has the disease, the test comes back "yes" 98% of the time (and "no" 2% of the time), and if one does not have the disease, the test comes back "no" 98% of the time (and "yes" 2% of the time). Suppose further that 0.5% of people--one out of every two hundred--actually has the disease. Your test comes back "yes." One Hundred Interesting Mathematical Calculations, Number 9: Archive Entry From Brad DeLong's Webjournal

Kurt Gödel

Kurt Gödel Kurt Friedrich Gödel (/ˈkɜrt ɡɜrdəl/; German: [ˈkʊʁt ˈɡøːdəl] ( ); April 28, 1906 – January 14, 1978) was an Austrian, and later American, logician, mathematician, and philosopher. Considered with Aristotle and Gottlob Frege to be one of the most significant logicians in history, Gödel made an immense impact upon scientific and philosophical thinking in the 20th century, a time when others such as Bertrand Russell,[1] A. N. Whitehead,[1] and David Hilbert were pioneering the use of logic and set theory to understand the foundations of mathematics. Gödel published his two incompleteness theorems in 1931 when he was 25 years old, one year after finishing his doctorate at the University of Vienna.
"...considering both the originality and power of his methods, and the importance of his results, we are abundantly justified in ranking Leonardo of Pisa as the greatest genius in the field of number theory who appeared between the time of Diophantus [4th century A.D.] and that of Fermat" [17th century] R.B. McClenon [13]. [Numbers in square brackets refer to REFERENCES at the end of this article.] 1. The world of Fibonacci. FIBONACCI FIBONACCI