WORST_CASE(?,O(n^1)) Solution: --------- Cons :: [A(1) x A(1)] -(1)-> A(1) False :: [] -(0)-> A(14) Nil :: [] -(0)-> A(1) True :: [] -(0)-> A(14) even :: [A(1)] -(7)-> A(14) evenodd :: [A(15)] -(14)-> A(0) notEmpty :: [A(1)] -(8)-> A(0) odd :: [A(1)] -(7)-> A(14) Cost Free Signatures: --------------------- Cons :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) False :: [] -(0)-> A_cf(0) Nil :: [] -(0)-> A_cf(0) True :: [] -(0)-> A_cf(0) even :: [A_cf(0)] -(0)-> A_cf(0) odd :: [A_cf(0)] -(0)-> A_cf(0) Base Constructors: ------------------ Cons_A :: [A(1) x A(1)] -(1)-> A(1) False_A :: [] -(0)-> A(1) Nil_A :: [] -(0)-> A(1) True_A :: [] -(0)-> A(1)