WORST_CASE(?,O(n^1)) Solution: --------- 0 :: [] -(0)-> A(0) 0 :: [] -(0)-> A(1) 0 :: [] -(0)-> A(14) 0 :: [] -(0)-> A(2) S :: [A(1)] -(1)-> A(1) S :: [A(0)] -(0)-> A(0) S :: [A(2)] -(2)-> A(2) eq0 :: [A(1) x A(0)] -(5)-> A(0) Cost Free Signatures: --------------------- 0 :: [] -(0)-> A_cf(0) S :: [A_cf(0)] -(0)-> A_cf(0) eq0 :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) Base Constructors: ------------------ 0_A :: [] -(0)-> A(1) S_A :: [A(1)] -(1)-> A(1)