Derivation

Encyclopedia : D : DE : DER : Derivation

There are several meanings of derivation:

A derivation in abstract algebra is a linear map that satisfies Leibniz' law.
A derivation in calculus is defined as the instantaneous rate of change of a function.
A derivation in computer science is a parse tree representing one possible way to parse a string.
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.
A derivation in sociology was introduced by Vilfredo Pareto to describe illogical motives for human actions

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