Ring_polynom : shorter proof for Psub_ok
Ring_polynom : shorter proof for Psub_ok

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@16720 85f007b7-540e-0410-9357-904b9bb8a0f7

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