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Let S --> aA | Bb C --> a B--> b, A --> aBAD | SBBb

a. Describe which nonterminals are useless?

b. Write down the algorithm for finding useless/productive nonterminals

c. Describe how this gives you the algorithm for whether language generated by grammar is empty.

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Automata & Computation, Computer Science

Category:- Automata & Computation
Reference No.:- M9351785

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