Practice - Encoding Sudoku with Propositional Variables
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Practice Questions
Test your understanding with targeted questions
Define the SAT problem in your own words.
💡 Hint: Focus on what it means for a formula to be 'true'.
What does it mean for a proposition to be satisfiable?
💡 Hint: Think of it as finding at least 1 condition for truth.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the SAT problem determine?
💡 Hint: Think about the essence of logical expressions.
True or False: A tautology is sometimes false.
💡 Hint: Recall the definition of tautology.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Given a non-CNF formula, derive its CNF equivalent by step-wise application of logic laws.
💡 Hint: Divide and conquer the formula step by step.
Construct a logical expression to represent that no two adjacent cells in a Sudoku can hold the same number.
💡 Hint: Consider all pairs of adjacent cells when formulating your expressions.
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