WORST_CASE(?,O(n^1)) Solution: --------- "!EQ" :: ["A"(0) x "A"(0)] -(0)-> "A"(12) "0" :: [] -(0)-> "A"(0) "Cons" :: ["A"(0) x "A"(11)] -(11)-> "A"(11) "Cons" :: ["A"(0) x "A"(2)] -(2)-> "A"(2) "False" :: [] -(0)-> "A"(2) "False" :: [] -(0)-> "A"(14) "False" :: [] -(0)-> "A"(12) "Nil" :: [] -(0)-> "A"(11) "Nil" :: [] -(0)-> "A"(2) "S" :: ["A"(0)] -(0)-> "A"(0) "True" :: [] -(0)-> "A"(2) "True" :: [] -(0)-> "A"(9) "True" :: [] -(0)-> "A"(12) "True" :: [] -(0)-> "A"(14) "goal" :: ["A"(15) x "A"(14)] -(16)-> "A"(6) "member" :: ["A"(15) x "A"(11)] -(15)-> "A"(14) "member[Ite][True][Ite]" :: ["A"(2) x "A"(15) x "A"(11)] -(9)-> "A"(14) "notEmpty" :: ["A"(2)] -(6)-> "A"(1) 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)] -(1)-> "A"(1) "\"True\"_A" :: [] -(0)-> "A"(1)