selsXconsYselXZsel1sXconsYsel1XZfirst1sXconsYcons1quotefirst1XZquotesel1XZquote1first1XZsel0consXXfirst0ZnilfirstsXconsYconsYfromXconsXsel10consXquotefirst10Znil1quote01quote1cons1quotequote1quote1nil1quotes1quoteunquote010unquotes1XsunquoteXunquote1nil1nilunquote1cons1XZfconsunquoteXunquote1ZfconsXZconsX2.0
AProVE
cb833845625c1ead9ffe8258c791cc945104daa0 rene 20110429 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe