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\F2\CSTANFORD ARTIFICIAL INTELLIGENCE LABORATORY
\CDEPARTMENT OF COMPUTER SCIENCE
\CSTANFORD UNIVERSITY
\CSTANFORD, CALIFORNIA 94305
\F0





							October 1, 1974

Dr. Ted Friedman
Dr. Lance Hoffman
Department of Computer Science
University of California
Berkeley, California 94720

Dear Lance and Ted:

\J	Here is the revised version of my letter to the \F1Communications\F0.
In accordance with your suggestion, I have replaced "strongly adequate" by
a more informative name.  I have nothing new to say on scales of difficulty.

	The last part suggests an improved degree of technical security for
partially dealing with the Trojan Horse.
It was a bit of an after thought, so if you want counter-play, there's where
you should look for an error.

	I have made my grumble about your mentioning the cipher more precise
and softened the language.\.


							Best Regards,



							John McCarthy


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