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A.4.1 Multiple Solutions

If you hit ; (semicolon) following the retrieval of a solution, the system will attempt to resatisfy your goal:

|?X = NIL
|?Y = (1 2);
|
|?X = (1)
|?Y = (2);
|
|?X = (1 2)
|?Y = NIL;
|
|NO.
|
|==>

When no more solutions remain, NO. is displayed and you are back at the top level.


KnowledgeWorks and Prolog User Guide (Macintosh version) - 29 Feb 2008

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