YES plusx0xplusxsysplusxytimesx00timesxsyplusxtimesxypowerx0s0powerxsytimesxpowerxyplustimesplustimes2.1plusxyplusyxtimesxytimesyxplusplusxyzplusxplusyztimestimesxyztimesxtimesyzplusxyplusyxtimesxytimesyxplusplusxyzplusxplusyztimestimesxyztimesxtimesyzplusplusxyzplusyztimestimesxyztimesyzplusxsyplusxytimesxsyplusxtimesxytimesxsytimesxypowerxsytimesxpowerxypowerxsypowerxyplusplusx0extplusxextplusplusxsyextplussplusxyextplusplusxsyextplusxytimestimesx0exttimes0exttimestimesxsyexttimesplusxtimesxyexttimestimesxsyextplusxtimesxytimestimesxsyexttimesxyplusplusx0extplusxextplusplusxsyextplussplusxyexttimestimesx0exttimes0exttimestimesxsyexttimesplusxtimesxyextpowerxsypowerxytrue1power21132s131powerxsypowerxyplusx0xplusxsysplusxytimesx00timesxsyplusxtimesxypowerx0s0powerxsytimesxpowerxyplusplusx0extplusxextplusplusxsyextplussplusxyexttimestimesx0exttimes0exttimestimesxsyexttimesplusxtimesxyextpowerxsytimesxpowerxyfalsetimestimesx0exttimes0exttimesxsytimesxytimestimesxsyexttimesplusxtimesxyexttimestimesxsyexttimesxytimestimesxyztimesyztimesxytimesyxtimestimesxyztimesxtimesyztrue2times21211112times21211112s1111plus21211000timestimesxsyexttimesplusxtimesxyexttimestimesxsyexttimesxytimesxsytimesxytimesxsyplusxtimesxytimestimesxsyexttimesplusxtimesxyexttimestimesx0exttimes0exttimesx00plusxsysplusxyplusplusxsyextplussplusxyextplusx0xplusplusx0extplusxexttimesxytimesyxtimestimesxyztimesxtimesyzplusplusxyzplusxplusyzplusxyplusyx2times22221112times222221112000s1111plus21211timestimesxyztimesyztimestimesx0exttimes0exttimesxsyplusxtimesxytimestimesxsyexttimesplusxtimesxyexttimestimesx0exttimes0exttimesx00plusxsysplusxyplusplusxsyextplussplusxyextplusx0xplusplusx0extplusxexttimesxytimesyxtimestimesxyztimesxtimesyzplusplusxyzplusxplusyzplusxyplusyxtimesxsyplusxtimesxyfalsetimestimesxsyextplusxtimesxyfalseplusplusx0extplusxextplusxsyplusxyplusplusxsyextplussplusxyextplusplusxsyextplusxyplusplusxyzplusyzplusxyplusyxplusplusxyzplusxplusyztrue1plus22122plus21112s111000plusplusx0extplusxextplusx0xtimesx00timesxsyplusxtimesxypowerx0s0powerxsytimesxpowerxyplusplusx0extplusxexttimestimesx0exttimes0exttimestimesxsyexttimesplusxtimesxyextplusxsysplusxyplusplusxsyextplussplusxyextplusx0xplusplusx0extplusxextplusplusxyzplusxplusyzplusxyplusyx1plus21112plus21112times21112s1111plusplusxsyextplusxyplusxsyplusxyplusxsysplusxyplusplusxsyextplussplusxyextplusxyplusyxtimesxytimesyxplusplusxyzplusxplusyztimestimesxyztimesxtimesyz1plus21112plus221112times21112s111plusplusxyzplusyzplusxsysplusxyplusplusxsyextplussplusxyextplusxyplusyxtimesxytimesyxplusplusxyzplusxplusyztimestimesxyztimesxtimesyz1plus21112plus211112s10plusplusxsyextplussplusxyextplusxsysplusxyplusplusxsyextplussplusxyextplusplusxyzplusxplusyzplusxyplusyxAProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (12 real / 0 unknown / 0 assumptions / 12 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe