a__andttXmarkXa__plusN0markNa__plusNsMsa__plusmarkNmarkMmarkandX1X2a__andmarkX1X2markplusX1X2a__plusmarkX1markX2markttttmark00marksXsmarkXa__andX1X2andX1X2a__plusX1X2plusX1X22.11tt0010011mark170s121a__and260a__plus240and250plus230AProVEAProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Statistics for single proof: 100.00 % (2 real / 0 unknown / 0 assumptions / 2 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe