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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 ...

broadcasting

(Encyclopedia)broadcasting, transmission, usually using radio frequencies, of sound or images to a large number of radio or television receivers. In the United States the first regularly scheduled radio broadcasts ...

radioactivity

(Encyclopedia)CE5 Effects of a magnetic field on the products of radioactivity CE5 Disintegration series: Radioactive decay of radium-226 into lead-206 radioactivity, spontaneous disintegration or decay of t...

athlete's heart

(Encyclopedia)athlete's heart, common term for an enlarged heart associated with repeated strenuous exercise. As a result of the increased workload required of it, the heart will increase physiologically by enlargi...

Mundell, Robert A.

(Encyclopedia)Mundell, Robert A., 1932–2021, Canadian economist, b. Kingston, Ont., Massachusetts Institute of Technology (Ph.D. , 1956). He taught at a number of u...

McFadden, Daniel Little

(Encyclopedia)McFadden, Daniel Little, 1937–, American economist, b. Raleigh, N.C., Ph.D. Univ. of Minnesota, 1962. McFadden has taught at the Univ. of California, Berkeley (1963–79, 1990–) and the Massachuse...

Malden

(Encyclopedia)Malden môlˈdən [key], city (1990 pop. 53,884), Middlesex co., E Mass., a suburb of Boston, in the Mystic valley; settled 1640, inc. 1882. Among its varied manufactures are electronic parts, metal c...

Massenet, Jules

(Encyclopedia)Massenet, Jules zhül mäsənāˈ [key], 1842–1912, French composer. He studied at the Paris Conservatory, where he taught from 1878 to 1896. In addition to many songs, several oratorios, and a numb...

Rowton, Montagu William Lowry Corry, 1st Baron

(Encyclopedia)Rowton, Montagu William Lowry Corry, 1st Baron rôtˈən, rouˈ– [key], 1838–1903, English philanthropist. He was called to the bar in 1863. From 1866 until 1881 he served as private secretary to ...

Santa Fe Opera

(Encyclopedia)Santa Fe Opera, summer opera festival held outside Santa Fe, N. Mex., founded 1957. Featuring outstanding young singers and musicians, it presents a wide variety of operas from the standard repertory ...