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Which of the following is a tautology?
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What is the purpose of inference rules in propositional logic?
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A statement s2 is a logical consequence of s1 if _______.
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Two statements s1 and s2 are equivalent if _________.
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A statement having at least one interpretation for which it is true is called ___.
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A statement that is true for all values of inputs or for every interpretation is called a ___.
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Which of the following represents "It is raining if and only if Mary is sick"?::
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What is the correct representation for "If it is raining, then Mary is sick"?
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Which of the following represents "It is raining or Mary is sick"?
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Which of the following is NOT a type of uninformed search?
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