Euler
The noted mathematician Leonhard Euler (1707–1783) is remembered in logic chiefly for his geometrical illustrations of syllogistic, "Euler's diagrams" or "Euler's circles." Similar devices were used by J. C. Sturm (1661), Leibniz (see Bocheński, History of Formal Logic, plate facing p. 260), Joachim Lange (1712), and Gottfried Ploucquet (1759), and in a very general way the idea of spatial illustration goes back at least to Juan Luis Vives, who used triangles to illustrate the Barbara syllogism ("De Censura Veri," in Opera, Basel, 1555). But because of Euler's fame as a mathematician and the popularity of his charming Lettres à une.....
This is a free excerpt of 100 words. This section contains 406 words.
Euler article
Read the rest of this article.
This article contains 68,831 words
(approx. 229 pages at 300 words per page).
Order our Leonhard Euler Article
