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\address 
Lieutenant Colonel Robert Simpson
Defense Advanced Research Projects Agency
ISTO
1400 Wilson Boulevard
Arlington, VA  22209

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Dear Colonel Simpson:

	Enclosed is a new draft of our proposal, which I hope meets
the needs.  You may find the section on motivation useful in explaining
its relevance to your management.  The official proposal follows.

	There will later be a supplement from Mike Buckley of Rockwell
that will probably involve doing a common sense database on space
information, perhaps some common sense reasoning about spacecraft and
and a non-monotonic reasoning testbed.

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Sincerely,       

John McCarthy    
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JMC/ra 
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