Practice - Set S Definition
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Practice Questions
Test your understanding with targeted questions
Define the term 'cardinality'.
💡 Hint: Think about how you count objects in a box.
What is an injective mapping?
💡 Hint: Remember, no two inputs should overlap in their outputs.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the term 'cardinality' refer to?
💡 Hint: Consider the number of items in a collection.
If two sets have injective mappings between them, what can we conclude?
💡 Hint: Think about the relationships defined by these mappings.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Create a set of rational numbers between 0 and 1 and prove its cardinality.
💡 Hint: Think about how to list all possible fractions fitting that description.
Prove the intersection of two uncountable sets can be empty.
💡 Hint: Visualize how different sets can share no values.
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