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␈↓ ↓H␈↓␈↓βS␈↓∧ Artificial Intelligence Laboratory, STANFORD UNIVERSITY, Stanford, California 94305

␈↓ ↓H␈↓∧Telephone 415 497-4430␈↓ 	pJanuary 28, 1978 




␈↓ ↓H␈↓Prof. William Honig
␈↓ ↓H␈↓␈↓↓Speculations in Science and Technology␈↓
␈↓ ↓H␈↓Western Australia Institute of Technology
␈↓ ↓H␈↓PERTH SOUTH BENTLEY 6102 W. A.

␈↓ ↓H␈↓Dear Professor Honig:

␈↓ ↓H␈↓        The enclosed is submitted for publication in ␈↓↓Speculations in Science and Technology␈↓.


␈↓ ↓H␈↓Sincerely,



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