Practice Example of Logical Equivalence Proof - 2.5 | 2. Logical Equivalence | Discrete Mathematics - Vol 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define tautology and provide an example.

💡 Hint: Think of an expression that yields true regardless of p’s value.

Question 2

Easy

What does logical equivalence mean?

💡 Hint: Consider statements with identical outcomes.

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 is the definition of logical equivalence?

💡 Hint: Think about identical outcomes in different expressions.

Question 2

A statement that is always true is called a?

  • Contradiction
  • Tautology
  • Contingency
  • None of these

💡 Hint: Consider an example that never changes its outcome.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Prove that (p ∧ q) → r is logically equivalent to ¬(p ∧ q) ∨ r using logical identities.

💡 Hint: Break down the statement systematically, applying identities.

Question 2

Show that ¬(p ∨ q) is equivalent to ¬p ∧ ¬q, using De Morgan's Law.

💡 Hint: Negation is key in switching from disjunction to conjunction.

Challenge and get performance evaluation