(STRATEGY
    INNERMOST)

(VAR
    u v x y z)
(DATATYPES
    A = µX.< g(X) >)
(SIGNATURES
    f :: [A x A x A] -> A)
(RULES
    f(f(x,y,z),u,f(x,y,v)) -> f(x
                               ,y
                               ,f(z,u,v))
    f(x,y,y) -> y
    f(x,y,g(y)) -> x
    f(x,x,y) -> x
    f(g(x),x,y) -> y)