True/False) If A is regular, and A = A, then B must be not regular. True/False)...
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(i)TRUE
(ii) FALSE
(iii)TRUE
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True/False)
If
A is regular, and A
= A,
then B must be not regular.
True/False)...
Prove that the following are not regular languages. Just B and F please Prove that the...
Prove that the following are not regular languages. Just B and F
please
Prove that the following are not regular languages. {0^n1^n | n Greaterthanorequalto 1}. This language, consisting of a string of 0's followed by an equal-length string of l's, is the language L_01 we considered informally at the beginning of the section. Here, you should apply the pumping lemma in the proof. The set of strings of balanced parentheses. These are the strings of characters "(" and ")"...
6.[15 points] Recall the pumping lemma for regular languages: Theorem: For every regular language L, there...
6.[15 points] Recall the pumping lemma for regular languages: Theorem: For every regular language L, there exists a pumping length p such that, if s€Lwith s 2 p, then we can write s xyz with (i) xy'z E L for each i 2 0, (ii) ly > 0, and (iii) kyl Sp. Prove that A ={a3"b"c?" | n 2 0 } is not a regular language. S=
6.[15 points] Recall the pumping lemma for regular languages: Theorem: For every regular...
UueSLIORS! 1. Find the error in logic in the following statement: We know that a b'...
UueSLIORS! 1. Find the error in logic in the following statement: We know that a b' is a context-free, not regular language. The class of context-free languages are not closed under complement, so its complement is not context free. But we know that its complement is context-free. 2. We have proved that the regular languages are closed under string reversal. Prove here that the context-free languages are closed under string reversal. 3. Part 1: Find an NFA with 3 states...
Question 1: Every language is regular T/F Question 2: There exists a DFA that has only...
Question 1: Every language is regular T/F Question 2: There exists a DFA that has only one final state T/F Question 3: Let M be a DFA, and define flip(M) as the DFA which is identical to M except you flip that final state. Then for every M, the language L(M)^c (complement) = L( flip (M)). T/F Question 4: Let G be a right linear grammar, and reverse(G)=reverse of G, i.e. if G has a rule A -> w B...
If L1 and L2 are Regular Languages, then L1 ∪ L2 is a CFL. Group of answer choices...
If L1 and L2 are Regular Languages, then L1 ∪ L2 is a CFL. Group of answer choices True False Flag this Question Question 61 pts If L1 and L2 are CFLs, then L1 ∩ L2 and L1 ∪ L2 are CFLs. Group of answer choices True False Flag this Question Question 71 pts The regular expression ((ac*)a*)* = ((aa*)c*)*. Group of answer choices True False Flag this Question Question 81 pts Some context free languages are regular. Group of answer choices True...
True or False The following two regular expressions represent different languages (a+aa)(a+b)* and a(a+b)*
True or False
The following two regular expressions represent different languages (a+aa)(a+b)* and a(a+b)*
3. (20 pt.) Prove that the following language is not regular using the closure properties of...
3. (20 pt.) Prove that the following language is not regular using the closure properties of regular languages. C = {0"1"|m,n0 and mon} Hint: find a regular language L such that CNL is not regular and use the closure properties of regular languages to show that this means that C is not regular.
Suppose that both A, B ⊆ {0, 1}* are regular languages. Show that the language A...
Suppose that both A, B ⊆ {0, 1}* are regular languages. Show that the language A \ B = { x | x ∈ A, x ∉ B} is regular. Please explain your reasoning so I can understand and use it for future problems!
Exercise 4.1.1: Prove that the following are not regular languages a) (0"1n|n 2 1). This language,...
Exercise 4.1.1: Prove that the following are not regular languages a) (0"1n|n 2 1). This language, consisting of a string of 0's followed by an cqual-length string of 1's, is the language Loi we considered informally at the beginning of the scction. Here, you should apply the pumping lemma in the proof. b) The set of strings of balanced parentheses. These are the strings of char- acters "(" and " that can appear in a well-formed arithmetic expression *c) O"IO"...
Give English descriptions of the languages represented by the following regular expressions. The descriptions should be...
Give English descriptions of the languages represented by the following regular expressions. The descriptions should be simple, similar to how we have been defining languages in class(e.g., “languages of binary strings containing 0 in even positions. . .”). Note: While describing your language, you don’t want to simply spell out the conditions in your regular expressions. E.g., if the regular expression is 0(0 + 1)∗, an answer of the sort “language of all binary strings that start with a 0”...
Prove that the following are not regular languages. Just B and F
please
Prove that the following are not regular languages. {0^n1^n | n Greaterthanorequalto 1}. This language, consisting of a string of 0's followed by an equal-length string of l's, is the language L_01 we considered informally at the beginning of the section. Here, you should apply the pumping lemma in the proof. The set of strings of balanced parentheses. These are the strings of characters "(" and ")"...
6.[15 points] Recall the pumping lemma for regular languages: Theorem: For every regular language L, there exists a pumping length p such that, if s€Lwith s 2 p, then we can write s xyz with (i) xy'z E L for each i 2 0, (ii) ly > 0, and (iii) kyl Sp. Prove that A ={a3"b"c?" | n 2 0 } is not a regular language. S=
6.[15 points] Recall the pumping lemma for regular languages: Theorem: For every regular...
UueSLIORS! 1. Find the error in logic in the following statement: We know that a b' is a context-free, not regular language. The class of context-free languages are not closed under complement, so its complement is not context free. But we know that its complement is context-free. 2. We have proved that the regular languages are closed under string reversal. Prove here that the context-free languages are closed under string reversal. 3. Part 1: Find an NFA with 3 states...
True or False
The following two regular expressions represent different languages (a+aa)(a+b)* and a(a+b)*
3. (20 pt.) Prove that the following language is not regular using the closure properties of regular languages. C = {0"1"|m,n0 and mon} Hint: find a regular language L such that CNL is not regular and use the closure properties of regular languages to show that this means that C is not regular.
Exercise 4.1.1: Prove that the following are not regular languages a) (0"1n|n 2 1). This language, consisting of a string of 0's followed by an cqual-length string of 1's, is the language Loi we considered informally at the beginning of the scction. Here, you should apply the pumping lemma in the proof. b) The set of strings of balanced parentheses. These are the strings of char- acters "(" and " that can appear in a well-formed arithmetic expression *c) O"IO"...
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