WORST_CASE(?,O(n^1)) Solution: --------- "and" :: ["A"(1) x "A"(1) x "A"(0)] -(0)-> "A"(0) "band" :: ["A"(1) x "A"(0)] -(0)-> "A"(1) "not" :: ["A"(1)] -(1)-> "A"(1) "not" :: ["A"(0)] -(0)-> "A"(0) Cost Free Signatures: --------------------- Base Constructors: ------------------