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• CFG’s can generate some regular languages.
• CFG’s can generate some nonregular languages.

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12y ago

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What is the relationship between regular expressions and context-free grammars?

Regular expressions and context-free grammars are both formal languages used in computer science to describe patterns in strings. Regular expressions are simpler and more limited in their expressive power, while context-free grammars are more complex and can describe a wider range of patterns. Regular expressions can be converted into context-free grammars, but not all context-free grammars can be represented by regular expressions.


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.


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In general, finite state machines can model regular grammars. Deterministic finite automata can represent deterministic context-free grammars. Non-deterministic finite automata can represent context-free grammars.


What is relation between regular languages finite automaton and regular grammars?

finite automaton is the graphical representation of language and regular grammar is the representation of language in expressions


What copies format of source area but not the contents?

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When did transformational grammars first appear?

1957


How do you say You speak German in German?

Sie sprechen Deutsch. (this is the polite format) or Du sprichst Deutsch. (this is the regular format)


What is Goals that promote satisfying family relationship?

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Where can I find context-free grammars for the following languages?

You can find context-free grammars for specific languages in academic textbooks, research papers, or online resources dedicated to formal language theory and automata theory. These resources typically provide detailed explanations and examples of context-free grammars for various languages.


Sentence for the word syntax?

Syntax- n.- the grammatical arrangement of words in a sentenceExample: When you write a novel, avoid improper format, misspellings, punctuation mistakes, grammar and syntaxmistakes.