Practice Antisymmetric Relations (17.4) - Irreflexive Relation - Discrete Mathematics - Vol 1
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Antisymmetric Relations

Practice - Antisymmetric Relations

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What defines an antisymmetric relation?

💡 Hint: Think about the conditions for having both pairs.

Question 2 Easy

True or False: All diagonal entries in an antisymmetric relation matrix must be 0.

💡 Hint: Consider what self-relating pairs would mean in terms of antisymmetry.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What condition defines an antisymmetric relation?

a) Both (a
b) and (b
a) must be present.
b) If (a
b) and (b
a) are present
then a must equal b.
c) They may contain any pairs without restrictions.

💡 Hint: Think about the implications of having both pairs.

Question 2

True or False: An empty relation can be classified as antisymmetric.

True
False

💡 Hint: Consider what absence of pairs implies for the properties.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the relation R = {(1, 1), (2, 2), (1, 2)}, determine if R is antisymmetric and explain your reasoning.

💡 Hint: Look for pairs that contradict antisymmetry.

Challenge 2 Hard

Create an antisymmetric relation involving the numbers 1 to 4. Provide its matrix and justify your pairs.

💡 Hint: Remember to ensure no pairs conflict with the conditions set by antisymmetry.

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