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3 cards from this section. Quick, good the night before a test.
Define the resolution rule.
Think of it in terms of eliminating opposite literals.
What is a resolvent?
It's what you get after resolving two clauses.
What does the resolution rule achieve?
Focus on what action the rule facilitates.
Resolution refutation demonstrates an argument is valid when it leads to the ___ clause.
Think about the nature of contradictions in logic.
Prove the argument validity for the premises P → Q, Q → R, and premise P, conclude R using resolution refutation.
Focus on how each clause plays a role in resolution.
Given a set of clauses: A ∨ B, ¬A ∨ C, ¬C, determine the validity of the argument A ∨ B implies C.
Analyze the interactions between the clauses effectively.
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