a__ca__fgca__fgXgXmarkca__cmarkfXa__fXmarkgXgXa__cca__fXfX2.1xcc'a__ca__c'a__c'xa__fgc'xa__fgXgXmarkc'xa__c'xmarkfXa__fXmarkgXgXa__c'xc'xa__fXfXa__c'xc'ga__fxga__fXgXc'markxa__c'xfmarkXa__fXgmarkXgXa__c'xc'xa__fXfX1a__c'1112c'111g111a__f1111mark1113f111AProVEAProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Statistics for single proof: 100.00 % (3 real / 0 unknown / 0 assumptions / 3 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe