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Thursday, 14 March 2019

AI :Introduction (Questions And Answers)

Assignment 1



1. Who said the following - “Thoughts themselves are symbolic representations”?

2. What is true about the Physical Symbol System Hypothesis (PSSH)?

Accepted Answers:

3. Can(Should) natural language be used for knowledge representation in intelligent agents? Why/why not?

4. Which of the following is(are) true about knowledge representation using formal logics?



5. A sentence (in formal logic) is a statement that can in principle have a truth value of True or False. Which of the following statements  is a sentence?

6. What do we mean when we say that “a knowledge base entails a sentence
"?




7. Given a system made up of a logic L with a proof system that can produce ONLY true sentences expressible in L,
          which of the following is (necessarily) true?


8. Given a system made up of a logic L with a proof system that can produce ALL true sentences expressible in L,
         which of the following is (necessarily) true?


9. Which of the following formulas could be a representation of the sentence 'If Sally came for the dance class then she has finished her
          homework or she has a holiday today'
, where;

        P stands for 'Sally comes for the dance class'        Q stands for 'Sally has finished her homework'        R stands for 'Sally has a holiday today'


10. Which of the following statement is/are a Contingency in propositional logic?




11. Which of the following statement is/are a Tautology in propositional logic? ( represents Top)


12. Which of the following statement is/are a Contradiction in propositional logic? ( represents Bottom)

13.



14. Which of the following can be mapped to formulas in propositional logic? Consider ‘John has X’ as one atomic sentence, and a compound sentence can be broken into equivalent simple sentences.


15. What can you say about the truth value of an atomic sentence in propositional logic?


16. Which of the following is not a formula in propositional logic?

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