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Which of the following statements is correct: Every CFL has a CFG in Chomsky normal form by but not every CFL is regular, The language

Which of the following statements is correct:

Every CFL has a CFG in Chomsky normal form by but not every CFL is regular,

The language

{a^{n} b^{n} | n 0}

has a CFG in Chomsky normal form and it is

regular.

A

is a language generated by a context

-

free grammar in Chomsky normal

form, then A must be regular.

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