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

␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 	TDecember 10, 1980 




␈↓ ↓H␈↓Dr. D. E. Rosenheim, Director
␈↓ ↓H␈↓IBM Research Laboratory, San Jose
␈↓ ↓H␈↓5600 Cottle Road
␈↓ ↓H␈↓San Jose, CA 95193

␈↓ ↓H␈↓Dear Dr. Rosenheim:

␈↓ ↓H␈↓        Many␈α
thanks␈α
for␈αyour␈α
invitation␈α
of␈αDecember␈α
1.␈α
 Unfortunately,␈α
I␈α≡nd␈α
I␈α
have␈αto␈α
concentrate
␈↓ ↓H␈↓my␈α⊃attention␈α⊃on␈α⊂my␈α⊃areas␈α⊃of␈α⊃specialization␈α⊂and␈α⊃can't␈α⊃take␈α⊂three␈α⊃days␈α⊃for␈α⊃general␈α⊂educational
␈↓ ↓H␈↓purposes at this time.


␈↓ ↓H␈↓Sincerely,



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