(STRATEGY
    INNERMOST)

(VAR
    x)
(DATATYPES
    A = µX.< a, s(X), b >)
(SIGNATURES
    f :: [A] -> A
    g :: [A] -> A)
(RULES
    f(g(a())) -> f(s(g(b())))
    f(f(x)) -> b()
    g(x) -> f(g(x)))