cc4531cd1e
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@53 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
15 lines
139 B
Plaintext
15 lines
139 B
Plaintext
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:- object(duck,
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imports(descriptors),
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extends(waterfowl)).
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family(duck).
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feed(on_water_surface).
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flight(agile).
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:- end_object.
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