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Logtalk - Object oriented extension to Prolog
Release 2.22.5

Copyright (c) 1998-2005 Paulo Moura.  All Rights Reserved.
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This directory contains two versions, one prototype-based and the 
other one class-based, of a very simple geometric shapes hierarchy.

ph
	prototype-based version

ch
	class-based version

Both versions define the following hierarchy of objects:

	shape
		polygon
			regular_polygon
				square
					q1
					q2