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New York Philharmonic
(Encyclopedia)New York Philharmonic, dating from 1842, the oldest symphony orchestra in the United States. The orchestra as it now exists is the result of the merger of the Philharmonic Society of New York with the...symbolic logic
(Encyclopedia)symbolic logic or mathematical logic, formalized system of deductive logic, employing abstract symbols for the various aspects of natural language. Symbolic logic draws on the concepts and techniques ...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...science fiction
(Encyclopedia)science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of the events recou...United Nations
(Encyclopedia)CE5 CE5 United Nations (UN), international organization established immediately after World War II. It replaced the League of Nations. In 1945, when the UN was founded, there were 51 members; 193...children's book illustration
(Encyclopedia)children's book illustration, any type of picture or decorative work produced for books specifically intended for a youthful audience. During the 1960s a number of seldom-used techniques were introd...Bavaria
(Encyclopedia)Bavaria bəvârˈēə [key], Ger. Bayern, state, 27,239 sq mi (70,549 sq km), S Germany. Muni...modern dance
(Encyclopedia)modern dance, serious theatrical dance forms that are distinct from both ballet and the show dancing of the musical comedy or variety stage. By the late 20th cent., distinctions among modern da...Hitler, Adolf
(Encyclopedia)Hitler, Adolf äˈdôlf hĭtˈlər [key], 1889–1945, founder and leader of National Socialism (Nazism), and German dictator, b. Braunau in Upper Austria. By July, 1944, the German military si...psychology
(Encyclopedia)psychology, science or study of the thought processes and behavior of humans and other animals in their interaction with the environment. Psychologists study processes of sense perception, thinking, l...Browse by Subject
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