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10 questions
Null set
Singleton set
Empty set
Unit set
Infinite set
Unit set
Singleton set
Empty set
Null set
Infinite set
The set of natural numbers
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Unit set
Finite set
Infinite set
The set of letters in the English alphabet
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Finite set
Infinite set
The set of whole numbers less than 2
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Finite set
Infinite set
The set of airplanes in the sky right now
Null set
Unit set
Finite set
Infinite set
The set of the student with the top score in class
Null set
Unit set
Finite set
Infinite set
The set of airplanes actually made of air
Null set
Unit set
Finite set
Infinite set
The set of airplanes that are actually a 2D plane, mathematically
Null set
Unit set
Finite set
Infinite set
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