2. [10 marks Give a context-free grammar that generates the language of properly

Question

2. [10 marks Give a context-free grammar that generates the language of properly nested parentheses and braces. Le, for each open open parenthese/brace there is a closing one, and a closing brace/parenthese cannot occur until all open braces/parentheses within are closed Le., ? = { "(,''),'Y',')') and words such as ((){}) and ( () ()){()} are in the language, but words such as {()), )(, and ) are not 3· [10 marks] Give a context-free grammar that generates the language Note: The notation lola means the number of as in ?

Explanation / Answer

2. Context Free Grammar

S -> SS | {S} | [S] | epsilon

Explanation

Note: One question at a time please -- Policy of Chegg

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