Recent questions tagged ambiguous

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31
Ques. S Aa/bAc/dc A d Isn't this grammar Ambiguous?If First(S) has more than one production giving the same first value, isn't it ambiguous?
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35
By seeing a grammar I can say it is ambiguous or not. But How can I say it is inherently ambiguous or not.?
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Consider the following context-free grammarS → SS + | SS*| a for the string aa + a*. Is the grammar ambiguous ?
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65 votes
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