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Questions about the set of languages (equivalently) described by context-free grammars or accepted by (non-deterministic) pushdown automata.

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How to prove that Ambiguity is still present in Resolved Production of Dangling Else Problem?

To prove some Grammar is Ambiguous You have find Atleast 2 or more $LMD or RMD$(Left or right most derivative tree) for a string $w$ which belongs to the grammar. There is small catch here, it is not …
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