/home/nowonder/forschung/aprove/TPDB05/TRS/secret2005/teparla2.trs

The program

(VAR x y z)
(RULES

  f(y,f(x,f(a,x))) -> f(f(f(a,x),f(x,a)),f(a,y))
  f(x,f(x,y)) -> f(f(f(x,a),a),a)
)

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