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solve this A grammar is defined as follows: = ({, },{, }, , ) Obtain the languages for the following productions: a) If the productions
solve this
A grammar is defined as follows: = ({, },{, }, , ) Obtain the languages for the following productions:
a) If the productions are: P: S aAa
A bA
A
b) If the productions are: P: S Aa
A bA
A
c) If the productions are: P: S aaA
A bA
A
d) Observe the differences in languages obtained in (a), (b), and (c). Identify which productions ( for example, s aAa versus s Aa ) played what role in generating languages. For example, how do you make sure b can be the first letter of a string?
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