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Revision Browser : additive inverse of a sum in a ring
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diff 2006-06-04 18:38:06 - revision [ Version 7 --> (current) ] by rspuzio
Changes for correction #7849 ('proof').

diff 2006-03-09 20:33:52 - revision [ Version 6 --> Version 7 ] by aplant
diff 2006-03-09 20:33:30 - revision [ Version 5 --> Version 6 ] by aplant
Changes for correction #7677 ('typo invese').

diff 2006-03-09 19:15:11 - revision [ Version 4 --> Version 5 ] by aplant
diff 2006-03-09 19:13:11 - revision [ Version 3 --> Version 4 ] by aplant
Changes for correction #7673 ('also commutativity of "+"').

diff 2006-03-09 19:10:08 - revision [ Version 2 --> Version 3 ] by aplant
Changes for correction #7675 ('titles of entries do not include a period at the end').

diff 2006-03-08 21:37:35 - revision [ Version 1 --> Version 2 ] by aplant

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