A biblical family database.

Source: The Art of Prolog

Program source code: family.pl

father(terach,abraham).
 
father(terach,nachor).			
 
father(terach,haran).			
 
father(abraham,isaac).			
 
father(haran,lot).			
 
father(haran,milcah).			
 
father(haran,yiscah).
 
 
 
male(terach).
 
male(abraham).
 
male(nachor).
 
male(haran).
 
male(isaac).
 
male(lot).
 
 
 
female(sarah).
 
female(milcah).
 
female(yiscah).
 
 
 
mother(sarah,isaac).			
 
 
 
%Program 1.1: A biblical fa
mily database