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Results tagged with ambiguity
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user 1594
Questions about ambiguity in context-free grammars.
34
votes
4
answers
33k
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How to prove that a grammar is unambiguous?
My problem is how can I prove that a grammar is unambiguous?
I have the following grammar:
$$S
→ statement
∣ \mbox{if } expression \mbox{ then } S
∣ \mbox{if } expression \mbox{ then } S \mbox{ else } …
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