Math Forum http://mathforum.org/kb List of forum topics en fom - 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 AM Dec 7, 2012 4:32:26 AM fomJUNK@nyms.net 0