Practice Examples of Antisymmetric Relations - 17.4.2 | 17. Irreflexive Relation | Discrete Mathematics - Vol 1
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Practice Questions

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Question 1

Easy

Define an antisymmetric relation.

💡 Hint: Think about the implication of pairs in a relation.

Question 2

Easy

Is the relation R = {(1, 2)} antisymmetric?

💡 Hint: Look for the reverse pair.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

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Question 1

What defines an antisymmetric relation?

  • If a relates to b and b to a
  • a must equal b
  • If a relates to b
  • then b relates to a
  • None of the above

💡 Hint: Think about the implications of pairs being equal.

Question 2

Is the relation R = {(1, 1), (1, 2)} antisymmetric?

  • True
  • False

💡 Hint: Identify if both pairs exist.

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Challenge Problems

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Question 1

Define whether R = {(1, 1), (2, 2), (3, 3), (1, 2)} is antisymmetric. Explain your reasoning.

💡 Hint: Look for pairs that might contradict.

Question 2

Create a set of relations R on {a, b, c} such that R is antisymmetric but contains both (a, b) and (b, a). Can this be done? Discuss why or why not.

💡 Hint: Reflect on properties governing antisymmetry.

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