A Note on the Complement of Inherently Ambiguous Context-Free Languages CACM March, 1970 Maurer, H. A. ambiguity, inherent ambiguity, complement, context-free language, Chomsky-language, phrase structure language, production system, type 2 language, bounded language 5.22 5.24 CA700314 JB February 13, 1978 3:37 PM 2084 5 2084 2084 5 2084 2084 5 2084