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Author : ellena-manuel | Published Date : 2016-08-08
ThefollowingresultshowsthattheinverseofanelementinHisthesameastheinverseofthatelementinGTheorem72LetGbeagroupwithidentityelementeandHGIfa2Hthena12GIfcistheinverseofainHthenca1ProofLeta2H