minusx0xminussxsyminusxyquot0sy0quotsxsysquotminusxysy2.1minussxsyminusxyquotsxsyquotminusxysyquotsxsyminusxytruequotsxsyquotminusxysytrue12000s11minus2100s11minusx0xminussxsyminusxyquotsxsyquotminusxysy1true12false2quotsxsyminusxyfalse1minussxsyminusxytrues10s11minussxsyminusxy1true12true2
AProVE
3d3b40ebf1f1cc0cfb76e51606fb79299fd7ea19 rene 20120105 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe