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Prolog program of Parent Tree

Posted By: Milind Mishra     Category: Artificial Intelligence     Views: 7410

Prolog program of Parent Tree

Code for Prolog program of Parent Tree in Artificial Intelligence

predicates
    parent(symbol,symbol)
    male(symbol)
    female(symbol)
    grandparent(symbol,symbol)
    grandfather(symbol,symbol)
    grandmother(symbol,symbol)
    father(symbol,symbol)
    mother(symbol,symbol)
    sister(symbol,symbol)
    brother(symbol,symbol)
    uncle(symbol,symbol)
    aunt(symbol,symbol)
    offspring(symbol,symbol)


clauses    
    parent(pam,bob).
    parent(tom,bob).
    parent(tom,liz).
    parent(bob,ann).
    parent(bob,pat).
    parent(pat,jim).
    male(tom).
    male(bob).
    male(jim).
    female(pam).
    female(liz).
    female(ann).
    female(pat).

offspring(X,Y) :-
        parent(Y,X).

father(X,Y) :-
        parent(X,Y),
        male(X).                       

mother(X,Y) :-
        parent(X,Y),
        female(X).            
        
grandparent(X,Y) :-
        parent(X,Z),
        parent(Z,Y).
        
grandfather(X,Y) :-
        parent(X,Z),
        parent(Z,Y),
        male(X).
        
grandmother(X,Y) :-
        parent(X,Z),
        parent(Z,Y),
        female(X).
                                    
sister(X,Y) :-
        parent(Z,X),
        parent(Z,Y),
        female(X),
        not(X=Y).
        
        
brother(X,Y) :-
        parent(Z,X),
        parent(Z,Y),
        male(X),
        not(X=Y).
        
        
uncle(X,Y) :-
        parent(Z,Y),
        brother(X,Z).                        
        
aunt(X,Y) :-
        parent(Z,Y),
        sister(X,Z).        
  
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Milind Mishra
Milind Mishra author of Prolog program of Parent Tree is from India.
 
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