| 1. | The statements are not context free.
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| 2. | Is there an algorithm for determining whether or not a context free grammar is inherently ambiguous?
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| 3. | Therefore, our initial assumption that " L " is context free must be false.
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| 4. | The phrase structure rules of context free grammar, for instance, were generating sentence structure top down.
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| 5. | The text patterns conform to the rules provided in a formal language and include many context free languages.
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| 6. | A context free grammar can be defined by its terminals, variables, start variable and substitution rules.
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| 7. | The canonical example of a context free grammar is parenthesis matching, which is representative of the general case.
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| 8. | In fact, by building on preexisting representations, representations become increasingly context bound ( rather than context free ).
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| 9. | The global index languages are a subset of the context sensitive languages, and a superset of the context free languages.
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| 10. | One example, " SpamMimic ", uses a context free grammar to model the structure of a typical spam email message.
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