(STRATEGY
    INNERMOST)

(VAR
    X)
(DATATYPES
    A = µX.< a, c(X), n__f(X), g(X) >)
(SIGNATURES
    f :: [A] -> A
    activate :: [A] -> A)
(RULES
    f(f(a())) -> c(n__f(g(f(a()))))
    f(X) -> n__f(X)
    activate(n__f(X)) -> f(X)
    activate(X) -> X)