COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	\input jmclet
C00003 ENDMK
C⊗;
\input jmclet
\jmclet
\address
Mr. Jean-Marc Pugin
P.C 58A16
BULL Research Center
68 Route de Versailles
78430 Louveciennes
France
\body
Dear Mr. Pugin

	Thanks for your letter and papers.  The idea of a logical
spreadsheet seems interesting.  My immediate reaction is that
a spreadsheet seems to imply a single preferred model at each time
with this model being updated as the user adds information.  If
going beyond the introduction generates  further reactions, I'll
write again.

\closing
Sincerely,
John McCarthy
Professor
\endletter
\end