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BoolQ / is the empty set an element of the set containing the empty set

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is the empty set an element of the set containing the empty set
passage · full text (392 characters)
In mathematics, and more specifically set theory, the empty set or null set is the unique set having no elements; its size or cardinality (count of elements in a set) is zero. Some axiomatic set theories ensure that the empty set exists by including an axiom of empty set; in other theories, its existence can be deduced. Many possible properties of sets are vacuously true for the empty set.

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task_id
4b87945f-d479-5627-ba81-ad1e5019bfea
task_key
default--validation--4b87945f-d479-5627-ba81-ad1e5019bfea
task_revision_id
1
config / split
default / validation

Official source

initial import