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Definition of universe of discourse - 4 dictionary results

u⋅ni⋅verse

  [yoo-nuh-vurs]
Use universe of discourse in a Sentence
–noun
1. the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm.
2. the whole world, esp. with reference to humanity: a truth known throughout the universe.
3. a world or sphere in which something exists or prevails: his private universe.
4. Also called universe of discourse. Logic. the aggregate of all the objects, attributes, and relations assumed or implied in a given discussion.
5. Also called universal set. Mathematics. the set of all elements under discussion for a given problem.
6. Statistics. the entire population under study.
Origin:
1325–75; ME < OF univers < L ūniversum, n. use of neut. of ūniversus entire, all, lit., turned into one, equiv. to ūni- uni- + versus (ptp. of vertere to turn)
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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universe of discourse  
n.   Logic
A class containing all the entities referred to in a discourse or an argument. Also called universe.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

universe 
1589, "the whole world, cosmos," from O.Fr. univers (12c.), from L. universum "the universe," noun use of neut. of adj. universus "all together," lit. "turned into one," from unus "one" (see one) + versus, pp. of vertere "to turn" (see versus). Properly a loan-translation of Gk. to holon "the universe," noun use of neut. of adj. holos "whole" (see safe (adj.)).
Online Etymology Dictionary, © 2001 Douglas Harper
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Computing Dictionary

universe of discourse ontology
In ontology, the set of all entities that can be represented in some declarative language or other formal system.
Each entity is represented by a name and may have some human-readable description of its meaning. Formal axioms constrain the interpretation and well-formed use of these names.
(2005-07-29)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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