Practice - Set of Integers
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Practice Questions
Test your understanding with targeted questions
What is the cardinality of the set {A, B, C}?
💡 Hint: Count the number of elements in the set.
Is the set of even numbers countable?
💡 Hint: Think about how we can list the even numbers.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a bijection?
💡 Hint: Think about the characteristics that define a bijection.
Is the set of integers countable?
💡 Hint: Consider the way integers can be sequenced.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Prove that the set of all even integers is countable by constructing a bijection.
💡 Hint: Use the definition of bijection you have learned.
Determine whether the set of all subsets of natural numbers is countable or uncountable.
💡 Hint: Think about the implications of matching elements to subsets.
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Reference links
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