% From the book
% PROLOG PROGRAMMING IN DEPTH
% by Michael A. Covington, Donald Nute, and Andre Vellino
% (Prentice Hall, 1997).
% Copyright 1997 Prentice-Hall, Inc.
% For educational use only

% SAMERICA.PL
%   Geographical data for South America to be used
%   with MAP.PL.

country(antilles).       country(argentina).
country(bolivia).        country(brazil).
country(columbia).       country(chile).
country(ecuador).        country(french_guiana).
country(guyana).         country(paraguay).
country(peru).           country(surinam).
country(uruguay).        country(venezuela).

beside(antilles,venezuela).   beside(argentina,bolivia).
beside(argentina,brazil).     beside(argentina,chile).
beside(argentina,paraguay).   beside(argentina,uruguay).
beside(bolivia,brazil).       beside(bolivia,chile).
beside(bolivia,paraguay).     beside(bolivia,peru).
beside(brazil,columbia).      beside(brazil,french_guiana).
beside(brazil,guyana).        beside(brazil,paraguay).
beside(brazil,peru).          beside(brazil,surinam).
beside(brazil,uruguay).       beside(brazil,venezuela).
beside(chile,peru).           beside(columbia,ecuador).
beside(columbia,peru).        beside(columbia,venezuela).
beside(ecuador,peru).         beside(french_guiana,surinam).
beside(guyana,surinam).       beside(guyana,venezuela).