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September 24, 2022
July 13, 2016
June 19, 2011
November 24, 2009
June 13, 2009
November 17, 2008
Avoids the "positive-ness" issue, and still says what it should. Hooray for words!
+1
no edit summary
+9
→Examples
+222
Group moved to Group (mathematics): soon I hope to have a general article on groups, such as boy scout troops, church choirs, political parties, etc.
mmove up clearer example
the Klein four group is going to need more explanation
+4
do we all know what a binary operator is?
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link to set
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