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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
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the negation of p = 'It is sunny' mean?
💡 Hint: Think about what it means to negate a statement.
Question 2
Easy
Translate the statement 'If it rains, then the ground is wet' into logical notation.
💡 Hint: Identify the 'if' and 'then' parts in your 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 logical connective indicates if-then relationships?
- And
- Or
- Implies
- Negates
💡 Hint: Think about what happens in an if-then statement.
Question 2
Is the contrapositive of p → q logically equivalent to p → q?
- True
- False
💡 Hint: Think about the structure of contrapositives.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Prove that if p ↔ q and ¬q → r, then p → r is also valid.
💡 Hint: Start with p ↔ q as two implications.
Question 2
If p is true, q as false, and r as true, determine the truth values for p → q, p ∨ r, and their implications.
💡 Hint: Use truth assignments and verify for each operation.
Challenge and get performance evaluation