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∂AIL Dr. Joel L. Lebowitz↓New York Academy of Sciences
↓2 E. 63rd St.↓New York, N.Y. 10021∞

Dear Dr. Lebowitz:

	This is to accept your invitation to be part of the American
Organizing Commitee of the 4th International Conference on Collective
Phenomena.  I could also attend the conference if there was a source
to travel funds.  I would then give a paper entitled, %2Circumscription -
A Form of Non-Monotonic Reasoning%1.

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