Practice Definition and Characteristics - 17.5.1 | 17. Irreflexive Relation | Discrete Mathematics - Vol 1
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define an irreflexive relation and provide an example.

💡 Hint: Consider a simple set with two elements.

Question 2

Easy

What describes a symmetric relation?

💡 Hint: Think about a mirror image in relation.

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 characterizes an irreflexive relation?

  • Self-relation exists
  • No self-relation
  • Some self-relations

💡 Hint: Focus on the definitions of reflexive vs irreflexive.

Question 2

True or False: A symmetric relation requires that both (a, b) and (b, a) are always present.

  • True
  • False

💡 Hint: Consider the meaning of 'if'.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a set A with 4 elements and define your own irreflexive relation. Show its matrix representation.

💡 Hint: Remember no self-relating pairs.

Question 2

Can a relation both be symmetric and asymmetric? Justify your answer with a counter-example.

💡 Hint: Analyze the definitions of each.

Challenge and get performance evaluation