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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Backus-Naur Form. Originally Backus Normal Form.
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Backus-Naur formAlso known as Backus normal form, it was the first metalanguage to define programming languages. Introduced by John Backus in 1959 to describe the ALGOL 58 language, it was enhanced by Peter Naur and used to define ALGOL 60.
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