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List of forum topicsenfom - 06 - involutions on the connectivity algebra
http://mathforum.org/kb/thread.jspa?messageID=7933635&tstart=0#7933635
Given truth tables, it becomes possible to represent the three collineations of the 21-point projective plane as involutions on the 16]]>Dec 7, 2012 4:32:26 AMDec 7, 2012 4:32:26 AMfomJUNK@nyms.net0