WORST_CASE(?,O(n^1)) Solution: --------- 2nd :: [A(15)] -(7)-> A(0) activate :: [A(15)] -(3)-> A(1) cons :: [A(0) x A(0)] -(0)-> A(0) cons :: [A(0) x A(15)] -(15)-> A(15) cons :: [A(0) x A(2)] -(2)-> A(2) cons1 :: [A(0) x A(0)] -(0)-> A(15) from :: [A(14)] -(14)-> A(1) n__from :: [A(15)] -(15)-> A(15) n__from :: [A(2)] -(2)-> A(2) n__from :: [A(7)] -(7)-> A(7) s :: [A(0)] -(0)-> A(10) Cost Free Signatures: --------------------- 2nd :: [A_cf(0)] -(0)-> A_cf(0) activate :: [A_cf(0)] -(0)-> A_cf(0) cons :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) cons1 :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) from :: [A_cf(0)] -(0)-> A_cf(0) n__from :: [A_cf(0)] -(0)-> A_cf(0) s :: [A_cf(0)] -(0)-> A_cf(0) Base Constructors: ------------------ cons1_A :: [A(0) x A(0)] -(0)-> A(1) cons_A :: [A(0) x A(1)] -(1)-> A(1) n__from_A :: [A(0)] -(1)-> A(1) s_A :: [A(0)] -(0)-> A(1)