Practice Tutorial 3 (21.1.2) - Lecture -20 - Discrete Mathematics - Vol 1
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Tutorial 3

Practice - Tutorial 3

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Is {2} a subset of {1, 2, 3}?

💡 Hint: Check if all elements of the first set are in the second set.

Question 2 Easy

What is the definition of a symmetric relation?

💡 Hint: Consider the pairs involved in a symmetric relation.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

If (A ∩ C) ⊆ (B ∩ C), can we conclude A ⊆ B?

True
False

💡 Hint: Think about how intersections dictate membership.

Question 2

Does an anti-symmetric relation allow both (a, b) and (b, a) if a ≠ b?

True
False

💡 Hint: Recall the definition carefully.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Demonstrate with a concrete example how a relation can be both symmetric and irreflexive.

💡 Hint: Ensure no self-pairs are included for irreflexivity.

Challenge 2 Hard

Create a scenario where a non-empty set contains both reflexive and irreflexive relations, detailing how this is possible.

💡 Hint: Reflect on the definitions carefully for overlaps.

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