Restriction, restrict or restrictor may refer to:
Science and technology
*
restrict
In the C programming language, restrict is a keyword, introduced by the C99 standard, that can be used in pointer declarations. By adding this type qualifier, a programmer hints to the compiler that for the lifetime of the pointer, no other p ...
, a keyword in the C programming language used in pointer declarations
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Restriction enzyme
A restriction enzyme, restriction endonuclease, REase, ENase or'' restrictase '' is an enzyme that cleaves DNA into fragments at or near specific recognition sites within molecules known as restriction sites. Restriction enzymes are one class o ...
, a type of enzyme that cleaves genetic material
Mathematics and logic
* Restriction, a term in medieval
supposition theory
Supposition theory was a branch of medieval logic that was probably aimed at giving accounts of issues similar to modern accounts of reference, plurality, tense, and modality, within an Aristotelian context. Philosophers such as John Buridan, W ...
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Restriction (mathematics)
In mathematics, the restriction of a function f is a new function, denoted f\vert_A or f , obtained by choosing a smaller domain A for the original function f.
The function f is then said to extend f\vert_A.
Formal definition
Let f : E \to F ...
, an aspect of a mathematical function
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Inflation-restriction exact sequence In mathematics, the inflation-restriction exact sequence is an exact sequence occurring in group cohomology and is a special case of the five-term exact sequence arising from the study of spectral sequences.
Specifically, let ''G'' be a group, ...
in mathematics
Other uses
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Censorship
Censorship is the suppression of speech, public communication, or other information. This may be done on the basis that such material is considered objectionable, harmful, sensitive, or "inconvenient". Censorship can be conducted by governments ...
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Restrictor (linguistics)
Restriction, restrict or restrictor may refer to:
Science and technology
* restrict, a keyword in the C programming language used in pointer declarations
* Restriction enzyme, a type of enzyme that cleaves genetic material
Mathematics and logi ...
, a word or morpheme that specifies the meaning of a quantifier; see
Polarity item In linguistics, a polarity item is a lexical item that is associated with affirmation or negation. An affirmation is a positive polarity item, abbreviated PPI or AFF. A negation is a negative polarity item, abbreviated NPI or NEG.
The linguisti ...
See also
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Restricted (disambiguation)
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