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Special CSLI Lecture, Monday, 13 November 1989, 1:15



			 SPECIAL CSLI LECTURE
	     Monday, 13 November 1989, 1:15, Cordura 100

       FLUID CONCEPTS, CREATIVE ANALOGIES, AND PARADIGM SHIFTS

			   Doug Hofstadter
		     Department of Philosophy and
	   Department of History and Philosophy of Science
 Director of the Center for Research on Concepts and Cognition (CRCC)
		   Indiana University, Bloomington
		    presently visiting scholar at
		    San Francisco State University

The Copycat Project is a model of analogy-making in an idealized
microdomain.  The talk concerns, first, the Copycat architecture,
which involves a type of asynchronous parallelism inspired by the
processing inside a biological cell; second, the Slipnet, a structure
in which concepts are represented in the model; and third, the way in
which the Slipnet and processing agents interact to bring about subtle
and insightful analogies, sometimes involving significant shifts in
perception.  The relationship of this research to so-called paradigm
shifts in science will be discussed.