Problem arising in CFG (Context Free Grammar) due to ambiguity can be trace to 1962. Even now there is no general method or procedure introduced to detect ambiguity in CFG. In parser generation and in language design, ambiguity in context free grammar, is a frequent problem as well as in application where it is used for the representation of physical structure. For creating a language it should be necessary that it is unambiguous. Ambiguity has some advantages as well as disadvantages. The aim of this study is to analyze different methods dealing with the ambiguity detection in Context Free Grammars. In this study, we will observe usefulness of Ambiguity Detection Method (ADM) in CFG with respect to ambiguity detection, assurance of termination of the process and accuracy.
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