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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...

aesthetics

(Encyclopedia)aesthetics ĕsthĕtˈĭks [key], the branch of philosophy that is concerned with the nature of art and the criteria of artistic judgment. The classical conception of art as the imitation of nature was...

set, in mathematics

(Encyclopedia)CE5 Union and intersection of sets A and B: The union of A and B, A∪B, contains all members belonging to either A or B. The intersection of A and B, A∩B, contains all members common to both A a...

still life

(Encyclopedia)still life, a pictorial representation of inanimate objects. The term derives from the 17th-century Dutch still-leven, meaning a motionless natural object or objects. In East Asia still-life subj...

Ligeti, György

(Encyclopedia)Ligeti, György, 1923–2006, Hungarian composer. He studied music in Romania and Hungary, and was a teacher at the Budapest Academy of Music until he fled to Vienna (1956) after the Soviet invasion o...

Crumb, George Henry

(Encyclopedia)Crumb, George Henry, 1929–, American composer, b. Charleston, W.Va., grad. Mason College of Music, Charleston (B.A. 1950); Univ. of Illinois (M.A. 1953); Univ. of Michigan (D.M.A. 1959). In his comp...

Gissing, George

(Encyclopedia)Gissing, George gĭsˈĭng [key], 1857–1903, English novelist. His promising future as a scholar was curtailed by his expulsion from Owens College (later the Univ. of Manchester) because of his asso...

Anderson, Maxwell

(Encyclopedia)Anderson, Maxwell, 1888–1959, American dramatist, b. Atlantic, Pa., grad. Univ. of North Dakota, 1911. His plays, many of which are written in verse, usually concern social and moral problems. Ander...

Gower, John

(Encyclopedia)Gower, John gouˈər, gôr [key], 1330?–1408, English poet. He was the best-known contemporary and friend of Chaucer, who addressed him as “Moral Gower,” at the end of Troilus and Criseyde. Appa...

Holmes, Oliver Wendell, American author and physician

(Encyclopedia)Holmes, Oliver Wendell, 1809–94, American author and physician, b. Cambridge, Mass., grad. Harvard (B.A., 1829; M.D., 1836); father of Oliver Wendell Holmes, Jr. He began his medical career as a gen...