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We have introduced some languages involving DFA/NFA that are decidable. For example, we have introduced EDFA = {(B)| B is a DFA and L(B) = Ø}, which can be decide by a TM DEDFA . We can construct TM DEDFA in this way: given (B), DEDFA will mark the states of B to check whether finally any accept state can be marked. Furthermore, we have used this TM DEDFA to construct a TM decider for another language EQDFA = {(A,B>| A,B are DFAS and L(A) = L(B)}. See the allowed lecture slides for details. Now, follow this idea, use this DEDFA to construct another Turing machine DSUB that decide the language SUBDFA = {(A,B)| A,B are DFAS, L(A) S L(B)}.

We have introduced some languages involving DFA/NFA that are decidable. For example, we have introduced EDFA = {(B)| B is a DFA and L(B) = Ø}, which can be decide by a TM DEDFA . We can construct TM DEDFA in this way: given (B), DEDFA will mark the states of B to check whether finally any accept state can be marked. Furthermore, we have used this TM DEDFA to construct a TM decider for another language EQDFA = {(A,B>| A,B are DFAS and L(A) = L(B)}. See the allowed lecture slides for details. Now, follow this idea, use this DEDFA to construct another Turing machine DSUB that decide the language SUBDFA = {(A,B)| A,B are DFAS, L(A) S L(B)}.

Computer Networking: A Top-Down Approach (7th Edition)
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
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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We have introduced some languages involving DFA/NFA that are decidable. For example, we have introduced EDFA = {{B)|B is a DFA and L(B) = Ø}, which can be decide by a TM DEDFA . We can construct TM DEDFA in this way: given (B), DEDFA will mark the states of B to check whether finally any accept state can be marked. Furthermore, we have used this TM DEDFA to construct a TM decider for another language EQDFA = {{A,B)| A,B are DFAS and L(A) = L(B)}. See the allowed lecture slides for details. Now, follow this idea, use this DEDFA to construct another Turing machine DSUB that decide the language SUBDFA = {(A,B>| A,B are DFAS, L(A) C L(B)}.
Transcribed Image Text:We have introduced some languages involving DFA/NFA that are decidable. For example, we have introduced EDFA = {{B)|B is a DFA and L(B) = Ø}, which can be decide by a TM DEDFA . We can construct TM DEDFA in this way: given (B), DEDFA will mark the states of B to check whether finally any accept state can be marked. Furthermore, we have used this TM DEDFA to construct a TM decider for another language EQDFA = {{A,B)| A,B are DFAS and L(A) = L(B)}. See the allowed lecture slides for details. Now, follow this idea, use this DEDFA to construct another Turing machine DSUB that decide the language SUBDFA = {(A,B>| A,B are DFAS, L(A) C L(B)}.
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