Practice Antisymmetric Relations - 17.4 | 17. Irreflexive Relation | Discrete Mathematics - Vol 1
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Practice Questions

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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.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

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.

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Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation