/home/nowonder/forschung/aprove/TPDB05/TRS/SK90/2.48.trs

The program

(VAR x y z)
(RULES
d(x) -> e(u(x))
d(u(x)) -> c(x)
c(u(x)) -> b(x)
v(e(x)) -> x
b(u(x)) -> a(e(x))
)
(COMMENT Example 2.48 in \cite{SK90})