PPT Slide

Using =.. To Construct Dynamic Calls

mother(linda, sylvia) . father(linda, aaron) .

answer_questions :- write('mother or father?') , read(X) , write('of whom?') , read(Y) , Q =.. [X, Y, Who] , call(Q) , write(Who) , nl .

1 ?- answer_question. mother or father? mother . of whom? linda . sylvia Yes

2 ?- answer_question. mother or father? father . of whom? linda. aaron Yes

P.61

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