/home/nowonder/forschung/aprove/TPDB05/TRS/SK90/2.09.trs

The program

(VAR x y z)
(RULES
+(0,y) -> y
+(s(x),y) -> s(+(x,y))
+(s(x),y) -> +(x,s(y))
)
(COMMENT Example 2.9 in \cite{SK90})