(STRATEGY
    INNERMOST)

(VAR
    N X XS)
(DATATYPES
    A = µX.< cons(X, X), s(X), 0, nil >)
(SIGNATURES
    from :: [A] -> A
    head :: [A] -> A
    2nd :: [A] -> A
    take :: [A x A] -> A
    sel :: [A x A] -> A)
(RULES
    from(X) -> cons(X,from(s(X)))
    head(cons(X,XS)) -> X
    2nd(cons(X,XS)) -> head(XS)
    take(0(),XS) -> nil()
    take(s(N),cons(X,XS)) -> cons(X
                                 ,take(N,XS))
    sel(0(),cons(X,XS)) -> X
    sel(s(N),cons(X,XS)) -> sel(N
                               ,XS))