Ambiguous grammar is context free?
Question
Ambiguous grammar is context free?
Solution
Yes, ambiguous grammar can be context-free. A context-free grammar is said to be ambiguous if there exists a string that can be derived in more than one leftmost derivation or rightmost derivation. This means that there can be more than one parse tree for some strings. However, not all context-free grammars are ambiguous. The ambiguity of a context-free grammar is undecidable.
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