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␈↓ ↓H␈↓␈↓βS␈↓∧ Department of Computer Science, STANFORD UNIVERSITY, Stanford, California 94305

␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 	nFebruary 3, 1981 




␈↓ ↓H␈↓Mr. Paul Armer
␈↓ ↓H␈↓134 Arthur Ave. S.E.
␈↓ ↓H␈↓Minneapolis, MN 55414

␈↓ ↓H␈↓Dear Paul:

␈↓ ↓H␈↓        Many␈αthanks␈αfor␈αDyson's␈αmagni≡cent␈αreview.␈α I␈αwish␈αI␈αcould␈αwrite␈αlike␈αthat,␈αeven␈αthough␈αI
␈↓ ↓H␈↓wouldn't␈α∞always␈α
do␈α∞so.␈α
 I␈α∞di≠dently␈α
enclose␈α∞a␈α
copy␈α∞of␈α
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 I␈α∞suppose␈α
the␈α∞␈↓↓Washington␈α
Post␈↓
␈↓ ↓H␈↓published␈αit,␈α
since␈αthey␈α
paid␈αme,␈α
but␈αI␈α
don't␈αknow␈α
when.␈α As␈α
you␈αsee,␈α
I␈αhad␈α
a␈αvery␈α
severe␈αspace
␈↓ ↓H␈↓limitation.


␈↓ ↓H␈↓Best regards,



␈↓ ↓H␈↓John McCarthy
␈↓ ↓H␈↓Professor of Computer Science