Practice - Relations
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Practice Questions
Test your understanding with targeted questions
Define what a relation is in your own words.
💡 Hint: Think about pairs coming from two different sets.
Give an example of a binary relation.
💡 Hint: Consider relationships in terms of pairs from two sets.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is a relation?
💡 Hint: Think about pairs from two different sets.
True or False: A reflexive relation must have at least one element in a set.
💡 Hint: Consider the case when no elements are present.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given sets A = {x, y, z} and B = {1, 2}, create three different binary relations and discuss their properties.
💡 Hint: Think about how each relation captures different aspects of interaction.
If set A = {a, b} and set B = {1, 2} are given, can you represent a reflexive relation in a matrix that also shows one additional non-reflexive pair?
💡 Hint: Be creative with your definitions, but keep reflexivity in mind!
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