1. A truth table constructed for the knowledge base given in the text cannot decide propositional entailment True False 2. Knowledge agents uses knowledge base and inference engine to decide what actions to take True False 3. Logics formal languages for representing information such that conclusions can be drawn its syntax defines the sentences in the language its semantics define the "meaning" of sentences Knowledge base entails sentence α if and only if α is true in all worlds
1. A truth table constructed for the knowledge base given in the text cannot decide propositional entailment
True
False
2. Knowledge agents uses knowledge base and inference engine to decide what actions to take
True
False
3. Logics
formal languages for representing information such that conclusions can be drawn
its syntax defines the sentences in the language
its semantics define the "meaning" of sentences
Knowledge base entails sentence α if and only if α is true in all worlds where KB is true
all above
4. Define predicts In(x,y) â place x is within y. The English sentence: â Dobbs and Bronx are both in NYâ can be represented by the logic expression___
In(Dobbsâ §Bronx, NY)
In(Dobbsâ ¨Bronx, NY)
In(Dobbs, NY)â ¨In(Bronx, NY)
In(Dobbs, NY)â §In(Bronx, NY)
5. First-order logic is the same as propositional logic in terms of language expressive power.
True
False
6. Sentences in the first-order logic are true with respect to a model and an interpretation where model contains objects and relations among them
True
False
7. Suppose you have triumphed over the other competitors in a television game show. The host now offers you a choice: either you can take the $1,000,000 prize or you can gamble it on the flip of a coin. If the coin comes up heads, you end up with nothing, but if it comes up tails, you get $2,500,000. You will always accept the gamble since its expected value is $1,250,000.
True
False
8. To determine n possible state utilities, we must solve n Bellman equations. It is easy to solve them simultaneously rather than using value iteration.
True
False
9. Decision theory deals with choosing among actions based on the desirability of their immediate outcomes in the environment. Agentâ s preferences are captured by a utility function that is based exclusively on what it wants not what is believes.
True
False
10. The information gain from an attribute A is how much classifier accuracy improves when attribute A is added to the example feature vectors in the training set.
True
False
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