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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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CH06EX05.PRO
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Prolog Source
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1988-06-21
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261 b
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16 lines
/*
Turbo Prolog 2.0 Chapter 6, Example Program 5
Copyright (c) 1986, 88 by Borland International, Inc
*/
domains
d = pair(integer, integer) ; single(integer) ; none
predicates
are_equal(d, d)
clauses
are_equal(X, X).