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How can one determine if a language is context-free?
A language is considered context-free if its grammar can be described using context-free grammar rules, which involve production rules that only have a single non-terminal symbol on the left-hand side. To determine if a language is context-free, one can analyze its grammar and see if it can be generated by a context-free grammar.
Is the problem of determining whether a given context-free grammar (CFG) is undecidable?
Yes, the problem of determining whether a given context-free grammar (CFG) is undecidable.
What is the regular expression for a context-free grammar that generates the keyword "keyword"?
The regular expression for a context-free grammar that generates the keyword "keyword" is simply the word "keyword" itself.
What is the context-free grammar for the language L an bm n, m 0?
The context-free grammar for the language L an bm n, m 0 can be represented as S - aSb .
Types of grammar in theory of computation?
1. type(0) Unrestricted Grammar 2. type(1) Context Sensitive Grammar 3 type(2) Context Free Grammar 4. type(3) Regular Grammar
How can one determine if a language is context-free?
A language is considered context-free if its grammar can be described using context-free grammar rules, which involve production rules that only have a single non-terminal symbol on the left-hand side. To determine if a language is context-free, one can analyze its grammar and see if it can be generated by a context-free grammar.
Is the problem of determining whether a given context-free grammar (CFG) is undecidable?
Yes, the problem of determining whether a given context-free grammar (CFG) is undecidable.
What is the regular expression for a context-free grammar that generates the keyword "keyword"?
The regular expression for a context-free grammar that generates the keyword "keyword" is simply the word "keyword" itself.
What is the context-free grammar for the language L an bm n, m 0?
The context-free grammar for the language L an bm n, m 0 can be represented as S - aSb .
Types of grammar in theory of computation?
1. type(0) Unrestricted Grammar 2. type(1) Context Sensitive Grammar 3 type(2) Context Free Grammar 4. type(3) Regular Grammar
How can one demonstrate that a language is not context-free?
One can demonstrate that a language is not context-free by showing that it requires more complex rules or context to properly describe its structure and patterns, beyond what a context-free grammar can handle. This can be done through formal methods such as the pumping lemma or by providing examples that cannot be generated by a context-free grammar.
What is the difference between Regular Expresion and Context Free Grammar?
regular language is easy to understand than context free language
Difference between Context-free grammar and regular expression?
almost same
What is the context-free grammar for the language anbn?
The context-free grammar for the language anbn is S - aSb , where S is the start symbol, a and b are terminals representing characters, and represents an empty string. This grammar generates strings with an equal number of 'a's and 'b's in the form of an bn.
Want context free grammar for c language compiler?
we use context free grammer in compiler consctrtion to cheack the validati of input in parsing.
How can one demonstrate that a language is context-free?
One can demonstrate that a language is context-free by showing that it can be generated by a context-free grammar, which consists of rules that define how the language's sentences can be constructed without needing to consider the surrounding context.
What is the difference between context free grammar and regular grammar?
A context-free grammar can generate languages that regular grammars cannot, as it allows for the use of non-terminal symbols in productions. Regular grammars, on the other hand, are less powerful and can only generate regular languages, which are a subset of context-free languages. Context-free grammars are more expressive and have more flexibility in rule definitions compared to regular grammars.
