iftruexyxiffalsexyyifxyyyififxyzuvifxifyuvifzuv2.11if3212223true02false02u00v00ifxyyyififxyzuvifxifyuvifzuv1if31211213u00v00ififxyzuvifxifyuvifzuvif30u01v01if3123u0v0AProVEAProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Statistics for single proof: 100.00 % (4 real / 0 unknown / 0 assumptions / 4 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe