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Logtalk - Object oriented extension to Prolog
Release 2.29.3

Copyright (c) 1998-2007 Paulo Moura.  All Rights Reserved.
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To load this example and for sample queries, please see the SCRIPT file.

This folder contains an example of a bird identification expert system 
adopted with permission from the book "Adventure in Prolog" by Amzi! inc. 
The book is available on-line in HTML format at the URL:

	http://www.amzi.com

Please refer to the book for more information on the original example.


The bird identification hierarchy is organized as a prototype hierarchy
as follows:

	<order>
		<family>
			<bird>

order
	falconiforms
		falcon
			peregrine_falcon
			sparrow_hawk
		vulture
			california_condor
			turkey_vulture
	passerformes
		flycatcher
			ash_throated_flycatcher
			great_crested_flycatcher
		swallow
			barn_swallow
			cliff_swallow
			purple_martin
	tubenose
		fulmar
		albatross
			black_footed_albatross
			laysan_albatross
	waterfowl
		duck
			female_mallard
			male_mallard
			pintail
		goose
			canada_goose
			snow_goose
		swan
			trumpeter_swan
			whistling_swan