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Questions and Answers
What is the cardinality of a null set?
What is the cardinality of a null set?
- Undefined
- 1
- 0 (correct)
- Infinite
What does the union of two sets represent?
What does the union of two sets represent?
- The combination of all elements from both sets (correct)
- The elements unique to the first set
- The elements unique to the second set
- The common elements between the two sets
In set theory, what does the complement of a set refer to?
In set theory, what does the complement of a set refer to?
- The subset of the set
- The elements not in the set but in the universal set (correct)
- The union of the set with the universal set
- The intersection of the set with the universal set
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Study Notes
Set Theory Basics
- The cardinality of a null set (or empty set) is 0, as it has no elements.
Set Operations
- The union of two sets represents all elements that are in either set or in both sets.
Set Complement
- The complement of a set refers to all elements that are not in the set, often denoted as A' (A-prime).
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