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De Morgan's laws
(redirected from De Morgan laws)

   Also found in: Wikipedia 0.01 sec.
De Morgan's laws
pl n
(Philosophy / Logic) (in formal logic and set theory) the principles that conjunction and disjunction, or union and intersection, are dual. Thus the negation of P & Q is equivalent to not-P or not-Q
[named after Augustus De Morgan (1806-71), British mathematician]


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