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New page: The '''empty set''' is the unique set that contains no element and is a subset of every other set. Its existence is postulated by the Axiom of empty set in the axioms of [[Zermelo–F...
The '''empty set''' is the unique set that contains no element and is a subset of every other set. Its existence is postulated by the [[Axiom of empty set]] in the axioms of [[Zermelo–Fraenkel set theory]].
[[Category: Mathematics]]
[[Category: Mathematics]]