ATC | 18CS54 |17CS54 |15CS56 | VTU | Chomsky Hierarchy of formal languages - Automata theory

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This video explains classification of formal languages. In Theory of computation, This classification of formal languages is the research outcome of Noam chomsky, a linguist, cognitive scientist, social critic, etc. He said any language of any form(spoken, script, sign) can be fit into any of the four mathematical models. This classification is popularly known as Chomsky Hierarchy.

Type 0 - Unrestricted Grammar - Recursively Enumerable language
Type 1 - Context Sensitive Grammar - Context Sensitive language
Type 2 - Context Free Grammar - Context Free language
Type 3 - Regular Grammar - Regular language

Type 0 is the universal set of all grammars
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Can you provide any concrete examples for each grammar domain you have described?

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Mam explain a problem with instantaneous discription

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