Thinking and learning to think, by Nathan C. Schaeffer 60893 [Editor: Martin G. Brumbaugh] [Link: http://www.gutenberg.org/6/0/8/9/60893 ] [Files: ; 60893-0.txt; 60893-h.htm] Thanks to Turgut Dincer and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al