bac%Mitre-Bedford@sri-unix.UUCP (08/07/84)
It seems to me that there was a bug either in the statement of the Zebra puzzle, or its following solution. Constraint #6 in the problem stated that "The green house is immediately to the RIGHT (your right) of the ivory house." However, the "solution" was worked on the basis of the green house being to the LEFT of the ivory house. Note that this did not change the ultimate solution; the Norwegian still drank the water, and the Japanese had the zebra. However, if the problem was worked as stated, eventually one reached a point requiring a binary decision: house 3 could be either red or ***Sender closed connection*** === Network Mail from host sri-ai.arpa on Fri Aug 10 00:49:41 ===