Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a tautology? Provide an example.
💡 Hint: Consider statements that encompass all truth values.
Question 2
Easy
What does it mean for two statements to be logically equivalent?
💡 Hint: Think about when two statements yield the same outcome.
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 a tautology?
- A statement that is always false
- A statement that is sometimes true
- A statement that is always true
💡 Hint: Remember that it consistently holds no matter what.
Question 2
True or False: A contradiction can ever be true in some cases.
- True
- False
💡 Hint: Think about the definition of contradiction.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Prove using logical identities that 'not(p or q)' is equivalent to 'not p and not q'.
💡 Hint: Utilize the relevant identity confidently.
Question 2
Show how to deduce a complex expression using standard logical identities.
💡 Hint: Decide which identities apply to your transformation.
Challenge and get performance evaluation