fromXconsXfromsXheadconsXXSX2ndconsXXSheadXStake0XSniltakesNconsXXSconsXtakeNXSsel0consXXSXselsNconsXXSselNXS2.1fromx0headconsx0x12ndconsx0x1take0x0takesx0consx1x2sel0consx0x1selsx0consx1x2fromXfromsX2ndconsXXSheadXStakesNconsXXStakeNXSselsNconsXXSselNXStruefromXfromsXfromXconsXfromsXheadconsXXSX2ndconsXXSheadXStake0XSniltakesNconsXXSconsXtakeNXSsel0consXXSXselsNconsXXSselNXSfromXfromsXfromsz0fromssz0fromssz0fromsssz0fromssz0fromssz0fromsssz0fromsssz0z0sz0AProVEunknownStatistics for single proof: 100,00 % (8 real / 0 unknown / 0 assumptions / 8 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe