(STRATEGY INNERMOST) (VAR N X XS) (DATATYPES A = µX.< cons(X, X), n__from(X), s(X), 0 >) (SIGNATURES from :: [A] -> A after :: [A x A] -> A activate :: [A] -> A) (RULES from(X) -> cons(X,n__from(s(X))) after(0(),XS) -> XS after(s(N),cons(X,XS)) -> after(N,activate(XS)) from(X) -> n__from(X) activate(n__from(X)) -> from(X) activate(X) -> X)