negation(redirected from Not (logic))
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1. The act or process of negating.
2. A denial, contradiction, or negative statement.
3. The opposite or absence of something regarded as actual, positive, or affirmative.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. the opposite or absence of something
2. a negative thing or condition
3. the act or an instance of negating
4. (Logic) logic
a. the operator that forms one sentence from another and corresponds to the English not
b. a sentence so formed. It is usually written –p, ~p, p̄ or ⇁p, where p is the given sentence, and is false when the given sentence is true, and true when it is false
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. the act of denying: He shook his head in negation of the charge.
2. a denial: a negation of one's beliefs.
3. something that is without existence; nonentity.
4. the absence or opposite of something considered positive or affirmative: Darkness is the negation of light.
5. a negative statement, idea, concept, doctrine, etc.; a contradiction, refutation, or rebuttal.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Measures to deceive, disrupt, deny, degrade, or destroy an adversary's space systems and services or any other space system or service used by an adversary that is hostile to US national interests. See also space control.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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|Noun||1.||negation - a negative statement; a statement that is a refusal or denial of some other statement|
statement - a message that is stated or declared; a communication (oral or written) setting forth particulars or facts etc; "according to his statement he was in London on that day"
|2.||negation - the speech act of negating|
contradiction - the speech act of contradicting someone; "he spoke as if he thought his claims were immune to contradiction"
cancellation - the speech act of revoking or annulling or making void
|3.||negation - (logic) a proposition that is true if and only if another proposition is false|
logic - the branch of philosophy that analyzes inference
proposition - (logic) a statement that affirms or denies something and is either true or false
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
1. opposite, reverse, contrary, contradiction, converse, antithesis, inverse, antonym He repudiates liberty and equality as the negation of order and government.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
1. An often formal act of putting an end to:
abolishment, abolition, abrogation, annihilation, annulment, cancellation, defeasance, invalidation, nullification, voidance.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
negation[nɪˈgeɪʃən] n → négation f
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
negation[nɪˈgeɪʃ/ən] n → negazione f
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
English-Spanish Medical Dictionary © Farlex 2012