selsXconsYselXZsel1sXconsYsel1XZfirst1sXconsYcons1quotefirst1XZquotesel1XZquote1first1XZsel0consXXfirst0ZnilfirstsXconsYconsYfromXconsXsel10consXquotefirst10Znil1quote01quote1cons1quotequote1quote1nil1quotes1quoteunquote010unquotes1XsunquoteXunquote1nil1nilunquote1cons1XZfconsunquoteXunquote1ZfconsXZconsX2.1
AProVE
30c4685dac1f9efc56544a9a1f70f53689c698fa rene 20120209 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe