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2 cards from this section. Quick, good the night before a test.
Define satisfiability in propositional logic.
Think about how truth values can affect logical expressions.
What is a clause in CNF?
Remember the structure of CNF.
What is the defining characteristic of a satisfiable proposition?
Think about definitions discussed.
True or False: An unsatisfiable proposition has its negation as a tautology.
Recall the definitions of satisfiability.
Given the proposition (p OR q) AND (¬p OR r), convert it to CNF and determine if it is satisfiable.
Consider different values for p, q, and r.
Formulate a propositional statement for a simple Sudoku row that contains numbers 1, 2, and 3 in any order in columns 1, 2, and 3.
You need to ensure each number appears once in the row.
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