Practice - Definitions in the Context of Sets
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Practice Questions
Test your understanding with targeted questions
What is a null set?
💡 Hint: Think of an empty box.
Give an example of a singleton set.
💡 Hint: Just one item inside the braces.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the symbol ϕ represent?
💡 Hint: Think of it as an empty box.
Is {1} a proper subset of {1, 2}?
💡 Hint: Consider whether both sets are identical.
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Challenge Problems
Push your limits with advanced challenges
Given the set A = {a, b, c}, determine the power set P(A) and its cardinality.
💡 Hint: Consider all combinations of including or excluding each element.
If we have sets A = {1, 2, 3} and B = {2, 3, 4}, determine A ∩ B and A - B.
💡 Hint: Remember to identify common elements for intersection and only elements in A for set difference.
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Reference links
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