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15, , 16.1 16.2, Prolog Prolog.


16.



 


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2. ( Prolog), - . , . , , . , .

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Question, please: peter isa tiger. Is it true: peter has hair? yes.

Is it true: peter eats meat? no.

Is it true: peter has pointed teeth? ӫ-

Is it true; peter has claws?

why. 4 , investigate, by rule3, peter isa carnivore To investigate, by rule3, peter isa tiger This was your question Is it true: peter has claws? yes.

Is it true: peter has forward pointing eyes? yee.

Is it true: peter has tawny colour? yes.

Is it true: peter has black stripes? yes.

(peter isa tiger) is true Would you like to see how? yes. peter isa tiger

was derived by tuleS from peter isa carnivore

was derived by rule3 from peter isa mm m al

was derived by rulel from peter has hair was told and peter has pointed teeth

was told and peter has claws

was told and peter has forward pointing eyes

was told and



II. Prolog


peter has tawny colour was told

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and peter has black stripes was told

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Is it true: peter eats meat? % , ?

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"Why?").

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Prolog. , , , , . Prolog Prolog, . .





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