YES 0##+#xx+0x0y0+xy+0x1y1+xy+1x1y0+1#+xy*#x#*0xy0*xy*1xy+0*xyy*+yzx+*xy*xzUemptybbsumempty0#sumsinglxxsumUxy+sumxsumyprodempty1#prodsinglxxprodUxy*prodxprody*+U*+U2.12*222221112+221211U2222211120111#0111311empty03sum1211singl1211311prod1111+#xx*#x#*1xy+0*xyyUemptybbsumempty0#sumsinglxxsumUxy+sumxsumyprodempty1#prodsinglxxprodUxy*prodxprody2*223231312+221211U2232313120111#0011211*+yzx+*xy*xz2*21211+212221212U2232313120111#0011331+0x1y1+xy+1x1y0+1#+xy2*212221212+233231212U22323131201221#030##+0x0y0+xy*0xy0*xyAProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (5 real / 0 unknown / 0 assumptions / 5 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe