Practice Question 3 (13.4) - Lecture - 13 - Discrete Mathematics - Vol 1
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Question 3

Practice - Question 3

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a predicate? Provide an example.

💡 Hint: Think about how the truth of the statement changes with different values of n.

Question 2 Easy

Explain what a counterexample is.

💡 Hint: Consider how one instance can contradict an entire statement.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What defines a predicate in logic?

A statement about logical variables
A method of counting

💡 Hint: Consider what a statement needs to evaluate to be true.

Question 2

True or False: A single counterexample can invalidate a universal claim.

True
False

💡 Hint: Think about how one instance can affect the whole.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Construct a compound predicate involving both universal and existential quantification, then illustrate its truth with examples.

💡 Hint: Start with easy numbers and build up to see both predicates interact.

Challenge 2 Hard

Using a counterexample, prove how one proposition can invalidate a universal claim about odd numbers.

💡 Hint: Identify odd numbers that break the rule!

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