Minimum with cuts

Source: The Art of Prolog

Program source code: min.pl

/*
   minimum(X,Y,Min) :- Min is the minimum of the numbers X and Y.
*/
   minimum(X,Y,X) :- X =< Y, !.
   minimum(X,Y,Y) :- X > Y, !.
 
%  Program 11.3    Minimum with cuts