Science Fair Project Encyclopedia
Derivation
There are several meanings of derivation:
- A derivation in abstract algebra is a linear map that satisfies Leibniz' law.
- A derivation in computer science is a parse tree representing one possible way to parse a string using a context-free grammar.
- A derivation in logic may also be used as a synonym for proof, particularly for formulae.
- A derivation in linguistics is the process of changing the meaning and/or lexical class of a lexeme by adding a morpheme.
- A derivation in music, using the twelve tone technique, refers to the creation of a derived row, or a tone row whose entirety of twelve tones is constructed from a segment or portion of the whole, the generator.
09-23-2007 01:00:40
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details