Biography:Isaac ben Moses Eli
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Short description: 15th-century Spanish Jewish mathematician
Isaac ben Moses Eli ha-Sefaradi was a fifteenth century Spanish Jewish mathematician, born at Oriola, Aragon.
According to Steinschneider, he may have been one of the Spanish exiles of 1492, probably leaving to Constantinople. He wrote a mathematical work entitled Meleket ha-Mispar, divided into three parts: (1) a theory of numbers, dealing with the first four rules and the extraction of square roots; (2) proportion, etc.; and (3) elementary geometry. The book is an introduction to Euclid, and begins with a definition of the science of figures.[1]
References
- ↑
Singer, Isidore; Schloessinger, Max (1901–1906). "Isaac ben Moses Eli (ha-Sefaradi)". in Singer, Isidore. The Jewish Encyclopedia. New York: Funk & Wagnalls. http://www.jewishencyclopedia.com/articles/8204-isaac-ben-moses-eli-ha-sefardi.
- Steinschneider, Bibliotheca Mathematica, 1901, p. 74.
- Steinschneider, Jewish Literature, p. 192.
- This article incorporates text from a publication now in the public domain: Isidore Singer and Max Schloessinger (1901–1906). "Isaac ben Moses Eli (ha-Sefaradi)". in Singer, Isidore. The Jewish Encyclopedia. New York: Funk & Wagnalls. http://www.jewishencyclopedia.com/articles/8204-isaac-ben-moses-eli-ha-sefardi.
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