Added group properties of eq_refl, eq_sym, eq_trans
Added group properties of eq_refl, eq_sym, eq_trans

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@16413 85f007b7-540e-0410-9357-904b9bb8a0f7

coq/coq,Lionel-Rieg/coq,maximedenes/coq,Zimmi48/coq,herbelin/github-coq,silene/coq,william-lawvere/coq,letouzey/coq-wip,gmalecha/coq,silene/coq,Ptival/coq,gmalecha/coq,aspiwack/coq,ale-f/coq,JasonGross/coq,Matafou/coq,aspiwack/coq,Ptival/coq,coq/coq,SkySkimmer/coq,jpdeplaix/coq,amintimany/coq,8l/coq,mlasson/coq,TOSPIO/coq,Zimmi48/coq,pirapira/coq2rust,barras/coq,silene/coq,maximedenes/coq,mlasson/coq,JasonGross/coq,asr/coq,ppedrot/coq,JasonGross/coq,TheTypoMaster/coq,ejgallego/coq,Lionel-Rieg/coq,Lionel-Rieg/coq,asr/coq,pirbo/coq,8l/coq,herbelin/github-coq,TOSPIO/coq,jpdeplaix/coq,TOSPIO/coq,Ptival/coq,gares/coq,gares/coq,ppedrot/coq,8l/coq,TheTypoMaster/coq,Zimmi48/coq,aspiwack/coq,asr/coq,letouzey/coq-wip,amintimany/coq,pirapira/coq2rust,ppedrot/coq,gares/coq,mattam82/coq,jpdeplaix/coq,mattam82/coq,mattam82/coq,pirbo/coq,mlasson/coq,william-lawvere/coq,Matafou/coq,SkySkimmer/coq,coq/coq,gmalecha/coq,gares/coq,barras/coq,pirapira/coq2rust,letouzey/coq-wip,ale-f/coq,SkySkimmer/coq,gares/coq,SkySkimmer/coq,amintimany/coq,herbelin/github-coq,maximedenes/coq,pirbo/coq,shindere/coq,shindere/coq,maximedenes/coq,ppedrot/coq,Zimmi48/coq,Matafou/coq,ejgallego/coq,ejgallego/coq,TheTypoMaster/coq,ppedrot/coq,letouzey/coq-wip,william-lawvere/coq,coq/coq,shindere/coq,ale-f/coq,ejgallego/coq,JasonGross/coq,letouzey/coq-wip,barras/coq,maximedenes/coq