Practice Symmetric Relations (17.2) - Irreflexive Relation - Discrete Mathematics - Vol 1
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Symmetric Relations

Practice - Symmetric Relations

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a symmetric relation in your own words.

💡 Hint: Think about bilateral relationships.

Question 2 Easy

Is the relation {(1, 1), (1, 2)} symmetric?

💡 Hint: Check to see if the opposite pairs exist.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What defines a symmetric relation?

If (a
b) implies (b
a)
If (a
b) implies (a
c)
If (a
a) is always present

💡 Hint: Consider the pairs and their relationships.

Question 2

True or False: A reflexive relation is always symmetric.

True
False

💡 Hint: Remember an example where reflexive does not mean symmetric.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Construct a symmetric relation for a set A = {1, 2, 3} and explain its properties.

💡 Hint: Ensure all necessary reciprocate pairs are included.

Challenge 2 Hard

Prove whether a relation defined as R = {(1, 2), (2, 3), (1, 3)} can be symmetric.

💡 Hint: Check for reciprocal relationships.

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