Practice Cardinality Of A Set (15.5) - Sets - Discrete Mathematics

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6 sample questions

Question 1.
What is the cardinality of the set E = {x, y, z}?
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Count the elements in the set.
Question 2.
Is the empty set ∅ finite or infinite?
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Remember, it has no elements.
3Question 3.
What is the cardinality of the set G = {a, b, c, d}?
- 2
- 4
- 3
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Count the distinct elements.
4Question 4.
Is the cardinality of the power set of {m, n} equal to 3?
- True
- False
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Use the formula 2^n.
Question 5.
Given a set of prime numbers less than 20, find its cardinality, the power set, and the cardinality of that power set.
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Identify the primes and apply the power set formula.
Question 6.
Analyze the set T = {a, b, c, d}. If you take away one element, what will be the new power set and its cardinality?
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Calculate based on the reduced number of elements.

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