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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a tautology?
💡 Hint: Think of statements that cannot be false.
Question 2
Easy
What does a contradiction mean?
💡 Hint: Reflect on statements that oppose each other.
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: Look for a definition that confirms 'always'.
Question 2
True or False: A contradiction is always true.
- True
- False
💡 Hint: Reflect on what contradiction means.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Prove that 'P ∨ ¬P' is a tautology using a truth table.
💡 Hint: Fill in for P being true and false systematically.
Question 2
Show that 'P → (Q ∨ R)' can be false by providing a specific situation.
💡 Hint: Consider scenarios where implications can fail.
Challenge and get performance evaluation