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␈↓ ↓H␈↓␈↓βS␈↓∧ Artificial Intelligence Laboratory, STANFORD UNIVERSITY, Stanford, California 94305
␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 	nFebruary 9, 1977




␈↓ ↓H␈↓Prof.dr. J. Kulikowski
␈↓ ↓H␈↓Institute of Mathematics
␈↓ ↓H␈↓Polish Academy of Sciences
␈↓ ↓H␈↓Stefan Banach International Mathematical Center
␈↓ ↓H␈↓P.O. Box 137
␈↓ ↓H␈↓00-950 Warsaw, Poland

␈↓ ↓H␈↓Dear Professor Kulikowski:

␈↓ ↓H␈↓Regretfully,␈α∞I␈α∞cannot␈α∞take␈α
part␈α∞in␈α∞your␈α∞Semester␈α
"Discrete␈α∞Mathematics␈α∞and␈α∞its␈α∞Applications"␈α
in
␈↓ ↓H␈↓Warsaw.␈α⊂ A␈α∂su≠cient␈α⊂reason␈α∂is␈α⊂that␈α⊂you,␈α∂regretfully,␈α⊂cannot␈α∂pay␈α⊂travel␈α∂expenses␈α⊂to␈α⊂Poland.␈α∂ I
␈↓ ↓H␈↓cannot␈α
justify␈α
asking␈α
the␈α
U.S.␈α
 Government␈α
to␈α
pay␈α
for␈α
my␈α
lecturing␈α
in␈α
your␈α
courses.␈α
 Why␈α
can't
␈↓ ↓H␈↓"socialist" countries pay their own way?


␈↓ ↓H␈↓Sincerely,



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