WORST_CASE(?,O(n^1)) Solution: --------- "0" :: [] -(0)-> "A"(0) "Cons" :: ["A"(0) x "A"(15)] -(15)-> "A"(15) "Cons" :: ["A"(0) x "A"(14)] -(14)-> "A"(14) "Cons" :: ["A"(0) x "A"(8)] -(8)-> "A"(8) "Cons" :: ["A"(0) x "A"(0)] -(0)-> "A"(0) "False" :: [] -(0)-> "A"(14) "Nil" :: [] -(0)-> "A"(15) "Nil" :: [] -(0)-> "A"(8) "Nil" :: [] -(0)-> "A"(0) "S" :: ["A"(0)] -(0)-> "A"(0) "S" :: ["A"(0)] -(0)-> "A"(12) "S" :: ["A"(0)] -(0)-> "A"(14) "True" :: [] -(0)-> "A"(14) "addlist" :: ["A"(15) x "A"(14)] -(11)-> "A"(0) "goal" :: ["A"(15) x "A"(14)] -(15)-> "A"(0) "notEmpty" :: ["A"(8)] -(6)-> "A"(0) Cost Free Signatures: --------------------- Base Constructors: ------------------ "\"0\"_A" :: [] -(0)-> "A"(1) "\"Cons\"_A" :: ["A"(0) x "A"(1)] -(1)-> "A"(1) "\"False\"_A" :: [] -(0)-> "A"(1) "\"Nil\"_A" :: [] -(0)-> "A"(1) "\"S\"_A" :: ["A"(0)] -(0)-> "A"(1) "\"True\"_A" :: [] -(0)-> "A"(1)