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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the empty set?
💡 Hint: Think of a bag with nothing inside.
Question 2
Easy
Give an example of a singleton set.
💡 Hint: A set with just one item can be a singleton.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the symbol ϕ represent?
- A singleton set
- The empty set
- A proper subset
💡 Hint: Recall what an empty set indicates.
Question 2
True or False: The empty set is equal to {ϕ}.
- True
- False
💡 Hint: Think about the elements each set contains.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Prove that the empty set is a subset of any set A, using logic and definitions.
💡 Hint: Think about how subset definitions work.
Question 2
Create examples of sets A, B, C such that A is a proper subset of B, and both sets include a singleton set.
💡 Hint: What makes one a proper subset.
Challenge and get performance evaluation