Practice Discrete Mathematics (1) - Introduction to Tutorial 4: Part I
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Discrete Mathematics

Practice - Discrete Mathematics

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What properties must a relation have to be classified as an equivalence relation?

💡 Hint: Remember the three core properties.

Question 2 Easy

Define the intersection of two relations.

💡 Hint: Think about common elements shared by both relations.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following must a relation possess to be an equivalence relation?

Reflexive
Associative
Symmetric

💡 Hint: Think about the definition of equivalence relations.

Question 2

True or False: The intersection of two equivalence relations is always an equivalence relation.

True
False

💡 Hint: Remember to evaluate the three main properties.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Prove that the union of two equivalence relations cannot form an equivalence relation if their compositions do not hold.

💡 Hint: Refer to the definitions of each property and highlight the failure.

Challenge 2 Hard

Construct a unique example of two equivalence relations on a set that illustrates both the union being not transitive and intersection being transitive.

💡 Hint: Investigate examples systematically and focus on distinct pairs.

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