Question
4. Useless Symbols. Consider the following grammar S A C | C B | C D A a A | EPSILON B b C C
4. Useless Symbols. Consider the following grammar
S A C | C B | C D
A a A | EPSILON
B b C
C c B
D d D | A | C
(a) What are the generating symbols?
(b) What are the reachable symbols?
(c) What are the useless symbols?
Explain your answer!
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Intelligent Information And Database Systems 12th Asian Conference ACIIDS 2020 Phuket Thailand March 23 26 2020 Proceedings
Authors: Pawel Sitek ,Marcin Pietranik ,Marek Krotkiewicz ,Chutimet Srinilta
1st Edition
9811533792, 978-9811533792
