Difference between revisions of "Universe of discourse"
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Revision as of 19:05, 29 October 2011
☞ This page belongs to resource collections on Logic and Inquiry.
The term universe of discourse is generally attributed to Augustus De Morgan (1846). George Boole (1854) defines it in the following manner:
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In every discourse, whether of the mind conversing with its own thoughts, or of the individual in his intercourse with others, there is an assumed or expressed limit within which the subjects of its operation are confined. … Now, whatever may be the extent of the field within which all the objects of our discourse are found, that field may properly be termed the universe of discourse. (Boole 1854/1958, p. 42). |
References
- Boole, George (1854/1958), An Investigation of the Laws of Thought on Which are Founded the Mathematical Theories of Logic and Probabilities, Macmillan Publishers, 1854. Reprinted with corrections, Dover Publications, New York, NY, 1958.
- De Morgan, Augustus (1846), Cambridge Philosophical Transactions, viii, p. 380.
Resources
Syllabus
Focal nodes
Template:Col-breakTemplate:Col-breakTemplate:Col-endPeer nodes
- Universe of Discourse @ MyWikiBiz
- Universe of Discourse @ MathWeb Wiki
- Universe of Discourse @ NetKnowledge
- Universe of Discourse @ OER Commons
- Universe of Discourse @ P2P Foundation
- Universe of Discourse @ SemanticWeb
- Universe of Discourse @ Subject Wikis
- Universe of Discourse @ Wikiversity Beta
Logical operators
Related topics
- Propositional calculus
- Sole sufficient operator
- Truth table
- Universe of discourse
- Zeroth order logic
Relational concepts
Information, Inquiry
Related articles
Document history
Portions of the above article were adapted from the following sources under the GNU Free Documentation License, under other applicable licenses, or by permission of the copyright holders.
- Universe of Discourse, MyWikiBiz
- Universe of Discourse, MathWeb Wiki
- Universe of Discourse, NetKnowledge
- Universe of Discourse, OER Commons
- Universe of Discourse, P2P Foundation
- Universe of Discourse, SemanticWeb
- Universe of Discourse, PlanetMath
- Universe of Discourse, Wikiversity Beta
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