sel0consXselsconsselXZdbl1ss1s1dbl1Xsel10consXsel1sconssel1XZquotess1quoteXdbl00dblssdblsnilnildblsconsconsindxnilnilindxconsconsfromconsdbl1001quote001quotedblXdbl1XquoteselXYsel1XY2.1AProVEunknownStatistics for single proof: 100,00 % (1 real / 0 unknown / 0 assumptions / 1 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe