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Liren Large Software Subsidy 9
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1.ddi
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EXAMPLES.ARC
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CH05EX13.PRO
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Prolog Source
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1988-06-21
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274 b
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14 lines
/*
Turbo Prolog 2.0 Chapter 5, Example Program 15
Copyright (c) 1986, 88 by Borland International, Inc
*/
predicates
classify(integer, symbol)
clauses
classify(0, zero).
classify(X, negative) :- X < 0.
classify(X, positive) :- X > 0.