The following sections of this BookRags Literature Study Guide is offprint from Gale's For Students Series: Presenting Analysis, Context, and Criticism on Commonly Studied Works: Introduction, Author Biography, Plot Summary, Characters, Themes, Style, Historical Context, Critical Overview, Criticism and Critical Essays, Media Adaptations, Topics for Further Study, Compare & Contrast, What Do I Read Next?, For Further Study, and Sources.
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The following sections, if they exist, are offprint from Beacham's Encyclopedia of Popular Fiction: "Social Concerns", "Thematic Overview", "Techniques", "Literary Precedents", "Key Questions", "Related Titles", "Adaptations", "Related Web Sites". (c)1994-2005, by Walton Beacham.
The following sections, if they exist, are offprint from Beacham's Guide to Literature for Young Adults: "About the Author", "Overview", "Setting", "Literary Qualities", "Social Sensitivity", "Topics for Discussion", "Ideas for Reports and Papers". (c)1994-2005, by Walton Beacham.
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1100-1160
Arab mathematician and astronomer whose Islah al-majisti (Correction of the Almagest) proved to be a strong influence on scholars throughout the Mediterranean and Europe. A native of Seville, Aflah knew Moses ben Maimon (Maimonides, 1135-1204). He developed a theorem in spherical trigonometry that bears his name, and created an instrument called the torquentum for making transformations between spherical coordinates. His critique of Ptolemy's (c. 100-170) Almagest exerted an impact on a number of thinkers, among them Ibn Rushd (Averroës, 1126-1198).