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PLAYTEXT.PRO
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Text File
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1986-07-20
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384b
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16 lines
/*
Text substitution game.
Ask: ?-alter( [you, are, a, computer], Z ).
*/
alter( [], [] ).
alter( [H|T], [X|Y] ) :- change( H, X ), alter( T, Y ).
change( you, i ).
change( are, [am, not ] ).
change( french, german ).
change( do, no ).
change( X, X ).