/home/nowonder/forschung/aprove/TPDB05/TRS/various/26.trs

The program

(VAR x y z)
(RULES
f(f(x)) -> f(g(f(x),x))
f(f(x)) -> f(h(f(x),f(x)))
g(x,y) -> y
h(x,x) -> g(x,0)
)
(COMMENT Example 5.3.27 in \cite{K00})

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