Practice Definition and Characteristics - 17.4.1 | 17. Irreflexive Relation | Discrete Mathematics - Vol 1
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Practice Questions

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Question 1

Easy

Define an irreflexive relation.

💡 Hint: Think about self-connections.

Question 2

Easy

What is a symmetric relation?

💡 Hint: Focus on mutual relationships.

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 defines an irreflexive relation?

  • Every element relates to itself
  • No element relates to itself
  • Only some elements relate to themselves

💡 Hint: Consider pairs of the form (a,a).

Question 2

True or False: A symmetric relation must have (a,b) and (b,a) for every element.

  • True
  • False

💡 Hint: Look at the definition's implications.

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Challenge Problems

Push your limits with challenges.

Question 1

Create a set A and define four different relations on it, identifying which are reflexive, irreflexive, symmetric, antisymmetric, or transitive.

💡 Hint: Write down each definition and check if each relation meets the criteria.

Question 2

Discuss the implications of having a relation that is both symmetric and antisymmetric. Give an example if possible.

💡 Hint: Consider the conditions that must hold for each type of relation.

Challenge and get performance evaluation