diff	2010-02-14 14:39:41 - revision [ Version = 4 --> (current) ] by bloftin

diff	2010-02-14 14:23:43 - revision [ Version = 3 --> Version 4 ] by bloftin within article it defines the terms commutator and commute

diff	2009-03-14 00:34:42 - revision [ Version = 2 --> Version 3 ] by bloftin Changes for correction #54 ('notation').

diff	2009-03-11 23:30:37 - revision [ Version = 1 --> Version 2 ] by bloftin