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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1580 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
15 行
583 B
Plaintext
15 行
583 B
Plaintext
=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.27.1
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Copyright (c) 1998-2006 Paulo Moura. All Rights Reserved.
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=================================================================
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To load this example and for sample queries, please see the SCRIPT file.
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In this example we have several types of polygons that can be concentric.
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This is represented by a concentric binary relation ensuring that whenever
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a polygon is moved towards a new position, all polygons likewise concentric
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are moved along with them.
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