Practice Question 3 - 13.4 | 13. Lecture - 13 | Discrete Mathematics - Vol 1
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Practice Questions

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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.

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 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.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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

💡 Hint: Identify odd numbers that break the rule!

Challenge and get performance evaluation