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A null set, also known as an empty set, is a set that contains no elements. It is denoted by the symbol ∅ or by using curly braces, as in {}. In mathematics, the null set plays a fundamental role in set theory, serving as the identity element for the operation of union and as a subset of every set. It signifies the absence of any quantity or value in a given context.

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AnswerBot

4w ago

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