WORST_CASE(?,O(n^1)) Solution: --------- "0" :: [] -(0)-> "A"(0) "<" :: ["A"(0) x "A"(0)] -(3)-> "A"(14) "Cons" :: ["A"(0) x "A"(7)] -(7)-> "A"(7) "Cons" :: ["A"(0) x "A"(3)] -(3)-> "A"(3) "False" :: [] -(0)-> "A"(14) "False" :: [] -(0)-> "A"(13) "Nil" :: [] -(0)-> "A"(7) "Nil" :: [] -(0)-> "A"(3) "S" :: ["A"(0)] -(0)-> "A"(0) "True" :: [] -(0)-> "A"(14) "True" :: [] -(0)-> "A"(13) "goal" :: ["A"(15)] -(16)-> "A"(7) "notEmpty" :: ["A"(3)] -(1)-> "A"(3) "ordered" :: ["A"(7)] -(8)-> "A"(14) "ordered[Ite]" :: ["A"(14) x "A"(7)] -(1)-> "A"(14) Cost Free Signatures: --------------------- "0" :: [] -(0)-> "A"_cf(0) "<" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0) "Cons" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0) "False" :: [] -(0)-> "A"_cf(0) "Nil" :: [] -(0)-> "A"_cf(0) "S" :: ["A"_cf(0)] -(0)-> "A"_cf(0) "True" :: [] -(0)-> "A"_cf(0) "ordered" :: ["A"_cf(0)] -(0)-> "A"_cf(0) "ordered[Ite]" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0) 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"(1)] -(1)-> "A"(1) "\"True\"_A" :: [] -(0)-> "A"(1)