WORST_CASE(?,O(n^1)) Solution: --------- "0" :: [] -(0)-> "A"(0) "<" :: ["A"(0) x "A"(0)] -(0)-> "A"(13) "Cons" :: ["A"(7) x "A"(7)] -(7)-> "A"(7) "Cons" :: ["A"(14) x "A"(14)] -(14)-> "A"(14) "False" :: [] -(0)-> "A"(1) "False" :: [] -(0)-> "A"(12) "False" :: [] -(0)-> "A"(14) "Nil" :: [] -(0)-> "A"(7) "Nil" :: [] -(0)-> "A"(14) "S" :: ["A"(0)] -(0)-> "A"(0) "True" :: [] -(0)-> "A"(1) "True" :: [] -(0)-> "A"(12) "True" :: [] -(0)-> "A"(14) "goal" :: ["A"(15)] -(15)-> "A"(5) "notEmpty" :: ["A"(14)] -(3)-> "A"(2) "ordered" :: ["A"(7)] -(14)-> "A"(10) "ordered[Ite]" :: ["A"(1) x "A"(7)] -(7)-> "A"(10) Cost Free Signatures: --------------------- Base Constructors: ------------------ "\"0\"_A" :: [] -(0)-> "A"(1) "\"Cons\"_A" :: ["A"(1) x "A"(1)] -(1)-> "A"(1) "\"False\"_A" :: [] -(0)-> "A"(1) "\"Nil\"_A" :: [] -(0)-> "A"(1) "\"S\"_A" :: ["A"(1)] -(1)-> "A"(1) "\"True\"_A" :: [] -(0)-> "A"(1)