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negation
(redirected from Negatory)

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia 0.03 sec.
negation
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, p or ¬p, where p is the given sentence, and is false when the given sentence is true, and true when it is false

negation [nə′gā·shən]
(mathematics)
The negation of a proposition P is a proposition which is true if and only if P is false; this is often written ∼ P. Also known as denial.


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