If L is a regular language, then any subset of L is a regular language. If L is a regular language, then L can be accepted by a PDA. Turning machine can accept regular languages, context free languages, recursive languages.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Indicate true or false of the following statements and briefly justify your answer.
a) If L is a regular language, then any subset of L is a regular language.
b) If L is a regular language, then L can be accepted by a PDA.
c) Turning machine can accept regular languages, context free languages,
recursive languages.
d) If L1 L2 is a regular language, then L1 and L2 are regular languages.
e) The regular expressions cab(ab)* and c(aba) *b denotes the same language.
f) The regular expressions c(ab) and ca(ba) *b denotes the same language.
Transcribed Image Text:Indicate true or false of the following statements and briefly justify your answer. a) If L is a regular language, then any subset of L is a regular language. b) If L is a regular language, then L can be accepted by a PDA. c) Turning machine can accept regular languages, context free languages, recursive languages. d) If L1 L2 is a regular language, then L1 and L2 are regular languages. e) The regular expressions cab(ab)* and c(aba) *b denotes the same language. f) The regular expressions c(ab) and ca(ba) *b denotes the same language.
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