Q.4: Consider the following grammar G, over alphabet {a,b,c}: S→ aAB b | AE D → AAB E CA A → aAbE& B→ a bB F→ FA a C ABC c Identify the useful/useless symbols, &-productions and unit productions. Purify the grammar G and then convert it into CNF.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Q.4: Consider the following grammar G, over alphabet {a,b,c}:
SaAB b | AE
D→ AAB
A → aAbE | &
B→ a bB
C→ ABC | C
F→ FA a
Identify the useful/useless symbols, &-productions and unit
productions. Purify the grammar G and then convert it into
CNF.
E CA
Transcribed Image Text:Q.4: Consider the following grammar G, over alphabet {a,b,c}: SaAB b | AE D→ AAB A → aAbE | & B→ a bB C→ ABC | C F→ FA a Identify the useful/useless symbols, &-productions and unit productions. Purify the grammar G and then convert it into CNF. E CA
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