(STRATEGY INNERMOST) (VAR N X X1 X2 XS) (DATATYPES A = µX.< cons(X, X), n__from(X), s(X), 0, nil, n__take(X, X) >) (SIGNATURES from :: [A] -> A head :: [A] -> A 2nd :: [A] -> A take :: [A x A] -> A sel :: [A x A] -> A activate :: [A] -> A) (RULES from(X) -> cons(X,n__from(s(X))) head(cons(X,XS)) -> X 2nd(cons(X,XS)) -> head(activate(XS)) take(0(),XS) -> nil() take(s(N),cons(X,XS)) -> cons(X ,n__take(N,activate(XS))) sel(0(),cons(X,XS)) -> X sel(s(N),cons(X,XS)) -> sel(N ,activate(XS)) from(X) -> n__from(X) take(X1,X2) -> n__take(X1,X2) activate(n__from(X)) -> from(X) activate(n__take(X1,X2)) -> take(X1,X2) activate(X) -> X)