Russell's paradox

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Related to Russel paradox: Bertrand Russell

Russell's paradox

n
(Logic) logic the paradox discovered by Bertrand Russell in the work of Gottlob Frege, that the class of all classes that are not members of themselves is a member of itself only if it is not, and is not only if it is. This undermines the notion of an all-inclusive universal class
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The next time you touch a Nettle, grasp it boldly, and it will be soft as silk to your hand, and not in the least hurt you.