# Context Free Languages Formal Language Theory Theoretical Computer Science

Lecture notes defining context free grammars and closure and decidability properties of context free languages. There is a short section showing that natural languages are not context free.

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**Context Free Languages**

See Also:

- Context-free Grammar - A Wikipedia article that defines context free grammars theoretical and uses context free languages them to generate context free languages.
- Formal Grammars and Languages - A survey article on formal systems that define context free languages families of formal languages arising in many computer context free languages science applications with primary focus on context-free languages.
- Context-Free Grammars and Parsing - An article defining the grammar and how Binary theoretical Normal Form (BNF) is used to parse words theoretical in a context free language. An example shows theoretical how operator precedence is preserved in a context theoretical free grammar.
- Formal Languages and Compilers - Course notes on the definition of formal languages theoretical and the theoretical use of context free languages in theoretical compiler construction.
- Push-Down Automata and Context-Free Grammars - Lecture notes defining context free grammars and closure and decidability properties of context free languages. There is a short section showing that natural languages are not context free.

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