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logic

(Encyclopedia)logic, the systematic study of valid inference. A distinction is drawn between logical validity and truth. Validity merely refers to formal properties of the process of inference. Thus, a conclusion w...

Diana, princess of Wales

(Encyclopedia)Diana, princess of Wales, 1961–97, wife of Charles, prince of Wales, heir to the British throne. The daughter of the 8th Earl Spencer, Lady Diana Frances Spencer was a kindergarten teacher in London...

Colfax, Schuyler

(Encyclopedia)Colfax, Schuyler skīˈlər kōlˈfăks [key], 1823–85, Vice President of the United States (1869–73), b. New York City. He moved in boyhood to Indiana. First a Whig editor, he later helped to org...

Harrington, James

(Encyclopedia)Harrington, James, 1611–77, English political writer. His Commonwealth of Oceana (1656) pictured a utopian society in which political authority rested entirely with the landed gentry. Harrington adv...

Hale, Benjamin

(Encyclopedia)Hale, Benjamin, 1797–1863, American educator, b. Newburyport, Mass., grad. Bowdoin, 1818. He served as tutor at Bowdoin and in 1823 founded and became principal of Gardiner Lyceum, Gardiner, Maine, ...

Angell, James Burrill

(Encyclopedia)Angell, James Burrill jāmz bûrˈəl ānˈjəl [key], 1829–1916, American educator, editor, and diplomat, b. Scituate, R.I., grad. Brown, 1849, and studied abroad. He became professor of modern lan...

Mun, Thomas

(Encyclopedia)Mun, Thomas mŭn [key], 1571–1641, English writer on economics. A merchant in Italy and the Levant, he became (1615) a director in the East India Company. In his Discourse of Trade from England unto...

Murphy, Charles Francis

(Encyclopedia)Murphy, Charles Francis, 1858–1924, American political boss, b. New York City. He was the owner of many saloons in New York City and took a keen interest in Democratic politics. His services to Tamm...

Sheeler, Charles

(Encyclopedia)Sheeler, Charles, 1883–1965, American painter and photographer, b. Philadelphia, studied at the School of Industrial Art there and later at the Pennsylvania Academy of the Fine Arts under William M....

home economics

(Encyclopedia)home economics, study of homemaking and the relation of the home to the community. Formerly limited to problems of food (nutrition and cookery), clothing, sewing, textiles, household equipment, housec...