universe of discourse
| Dictionary: universe of discourse |
n. Logic
A class containing all the entities referred to in a discourse or an argument. Also called universe.
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| Philosophy Dictionary: universe of discourse |
The things across which the quantifiers of a formal theory may range: as it might be, the points on a line, or sets, or physical objects, or whatever else we are treating. The universe of discourse may, but also may not, form a set: for instance, the universe of discourse of set theory includes any set, but there is no set of all sets.
| WordNet: universe of discourse |
Note: click on a word meaning below to see its connections and related words.
The noun has one meaning:
Meaning #1:
everything stated or assumed in a given discussion
Synonym: universe
| Wikipedia: Domain of discourse |
The domain of discourse, sometimes called the universe of discourse, logical discourse, or simply discourse, is an analytic tool used in deductive logic, especially predicate logic. It indicates the relevant set of entities that are being dealt with by quantifiers.
For example, in an interpretation of first-order logic, the domain of discourse is the set of individuals that the quantifiers range over. In one interpretation, the domain of discourse could be the set of all real numbers; in another interpretation, it could be the set of natural numbers.
The term "universe of discourse" generally refers to the entire set of terms used in a specific discourse, i.e. the family of linguistic or semantic terms that are specific to any one area of interest. In model-theoretical semantics, the term "universe of discourse" refers to the set of entities that a model is based on.
A database is a model of some aspect of the reality of an organisation. It is conventional to call this reality the "universe of discourse" or "domain of discourse".
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Philosophy Dictionary. The Oxford Dictionary of Philosophy. Copyright © 1994, 1996, 2005 by Oxford University Press. All rights reserved. Read more |
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| WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Domain of discourse". Read more |
Related answers
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- Encyclopedias (American history)
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