Derivation may refer to:
Language
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Morphological derivation
Morphological derivation, in linguistics, is the process of forming a new word from an existing word, often by adding a prefix or suffix, such as For example, ''unhappy'' and ''happiness'' derive from the root word ''happy.''
It is differentia ...
, a word-formation process
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Parse tree
A parse tree or parsing tree (also known as a derivation tree or concrete syntax tree) is an ordered, rooted tree that represents the syntactic structure of a string according to some context-free grammar. The term ''parse tree'' itself is use ...
or concrete syntax tree, representing a string's syntax in formal grammars
Law
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Derivative work
In copyright law, a derivative work is an expressive creation that includes major copyrightable elements of a first, previously created original work (the underlying work). The derivative work becomes a second, separate work independent from ...
, in copyright law
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Derivation proceeding, a proceeding in United States patent law
Music
* The creation of a
derived row
In music using the twelve-tone technique, derivation is the construction of a row through segments. A derived row is a tone row whose entirety of twelve tones is constructed from a segment or portion of the whole, the generator. Anton Webern often ...
, in the twelve-tone musical technique
Science and mathematics
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Derivation (differential algebra), a unary function satisfying the Leibniz product law
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Formal proof
In logic and mathematics, a formal proof or derivation is a finite sequence of sentences (known as well-formed formulas when relating to formal language), each of which is an axiom, an assumption, or follows from the preceding sentences in the s ...
or derivation, a sequence of sentences each of which is an axiom or follows from the preceding sentences in the sequence by a rule of inference
* An after-the-fact justification for an action, in the work of sociologist
Vilfredo Pareto
Vilfredo Federico Damaso Pareto (; ; born Wilfried Fritz Pareto; 15 July 1848 – 19 August 1923) was an Italian polymath, whose areas of interest included sociology, civil engineering, economics, political science, and philosophy. He made severa ...
See also
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Derive (disambiguation), for meanings of "derive" and "derived"
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Derivative
In mathematics, the derivative is a fundamental tool that quantifies the sensitivity to change of a function's output with respect to its input. The derivative of a function of a single variable at a chosen input value, when it exists, is t ...
, in calculus
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Derivative (disambiguation)
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{{disambiguation