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Boolean algebra

(Encyclopedia)Boolean algebra bo͞oˈlēən [key], an abstract mathematical system primarily used in computer science and in expressing the relationships between sets (groups of objects or concepts). The notational...

Wesley, Charles

(Encyclopedia)Wesley, Charles, 1707–88, English Methodist preacher and hymn writer. As a student at Oxford he devoted himself to systematic study and to the regular practice of religious duties; he and companions...

Lao Tzu

(Encyclopedia)Lao Tzu lou dzə [key], fl. 6th cent. b.c., Chinese philosopher, reputedly the founder of Taoism. It is uncertain that Lao Tzu [Ch.,=old person or old philosopher] is historical. His biography in Ssu-...

chaos theory

(Encyclopedia)chaos theory, in mathematics, physics, and other fields, a set of ideas that attempts to reveal structure in aperiodic, unpredictable dynamic systems such as cloud formation or the fluctuation of biol...

Blue Ridge

(Encyclopedia)Blue Ridge, eastern range of the Appalachian Mts., extending south from S Pa. to N Ga.; highest mountains in the E United States. Mt. Mitchell, 6,684 ft (2,037 m) high, is the tallest peak. Beginning ...

Title IX

(Encyclopedia)Title IX, clause of the Educational Amendments of 1972 that reads: “No person in the United States shall, on the basis of sex, be excluded from participation in, be denied the benefits of, or be sub...

Liberal party, former British political party

(Encyclopedia)Liberal party, former British political party, the dominant political party in Great Britain for much of the period from the mid-1800s to World War I. By 1914 the Liberal government had passed subst...

Grierson, Sir George Abraham

(Encyclopedia)Grierson, Sir George Abraham grĭrˈsən [key], 1851–1941, Irish philologist. Besides writing grammars of many modern Indian vernaculars, Grierson directed the compilation of the great Linguistic Su...

Cruikshank, George

(Encyclopedia)Cruikshank, George kro͝okˈshăngk [key], 1792–1878, English caricaturist, illustrator, and etcher; younger son of Isaac Cruikshank (1756–1810), caricaturist. Self-taught, George early gained a r...

Lorimer, George Horace

(Encyclopedia)Lorimer, George Horace lôrˈĭmər [key], 1867–1937, American editor, b. Louisville, Ky. After working for the Armour Packing Company (1887–95) and as a wholesale grocer, he went to work as a new...
 

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