Let language B ={w|wcan be written as c#d#c®#e with c, d, e e {a, b}* }. | Show that B is not regular. p. a. Show that B is context-free.

Q: Eliminate all useless productions from the grammar                                           S→aS/AB…

A: Given:-             Eliminate all useless productions from the grammar…

Q: te are members, and 10% of the members participate in the survey. What is the obability that the…

A: Here Given  Probability of viewers are site members =P(M)=0.3 Probability that MEMBER is…

Q: There were 600 students who answered a transportaion survey. Of those surveyed, 159 said that they…

A: Let U be the set of total students who answered a transportation survey. A be the set of students…

Q: 3. Give an example of two languages A and B that are not regular such that their union AUB is…

A: The union of two not regular languages is regular.

Q: In oH, ZJHK E LHM. Select all the statements that must be true. O A. ALHKEAJHK M B. ML = JK H O C.…

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Q: What property is symbolized in the image below? * If * then Reflexive Associative Symmetric…

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Q: Using the symbolization key given, translate each English-Language sentence into SL. M: Those…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: e: AABE ACDE.

A: Statement Reason Angle AEB = Angle DEC Vertically opposite angles AB = DC AB is congurent to DC…

Q: B_C* UI

A: Given A = {2, 3, 4, 5, 6, 7}, B = {2, 4, 7, 8}, C = {2, 4}. Fill in the blanks by ⊆ or ⊈ to make the…

Q: Which steps are the Negation laws, Absorption laws, Disjunctive form, De Morgan's law and…

A: Find the laws used in each step as shown below.

Q: The final result of a translation is called a pre-image. O True O False

A: We know that the image is the final appearance of a figure after a transformation operation and…

Q: If an animal has whiskers, then it is a cat. What is the converse, inverse and contrapositive

A: Converse: If an Animal Has Whiskers, Then It Is A Cat. For Inverse: If An Animal Is Not A Cat, Then…

Q: Use appropriate de Morgan’s theorem to transform the following clauses into horn clauses ¬P∧¬Q…

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Q: Determine the line and the reason for the entry on line 5 given the following part of a formal proof…

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Q: Here is a model M: Domain:{1,2,3,4,5} P:{1,3,5},Q:{2,4,5}, R:∅,S:{3,4}a: 3,b: 4 Is the…

A: To check if ∀xPx∧Qx→Sx∨Rb-Pa is true or false.

Q: On Z*, a + b = a b =Dc

A: Solution

Q: 1. Insert either E or C in the blanks in the following sentences (in order to produce true…

A: Set: A set is a collection of elements. Let A be a set of all vowels among the alphabets. Therefore,…

Q: 5. Given R ={(1,1), (1, 3), (2, 1), (2,2), (2, 3), (3, 1)} on {1,2,3,4}. Thus, R is reflexive. A.…

A: Given problem :- Given R = {(1,1), (1, 3), (2, 1), (2,2), (2, 3), (3, 1)) on {1,2,3,4). Thus, R is…

Q: Let S, represent the statement n3 – n is divisible by 3. State a) S1, b) Sk, and c) Sk+1.

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Q: C_A*

A: Follow the procedure given below.

Q: Show that ADFA ∈ L, where ADFA = { |B is a DFA that accepts input string w}.

A: Consider the equation

Q: Suppose proposition g is TRUE and propostion d is FALSE. Select all the TRUE statements. OgA ¬d OdAg…

A: Given, g is true and d is false . To find the true statement . Since g is true and d is false so…

Q: Suppose we have the following grammar, where a and b are terminal symbols, and S is a nonterminal…

A: Explanation - S-> aaSbb ->aabbSaabb   {S->bbSaa}                        = aabbaabb…

Q: Indicate whether the statement is true or false. If MP ≅ NP in ∆MNP, then ∠M ≅ ∠P.

A: If MP ≅ NP in ∆MNP, then ∠M ≅ ∠P

Q: Is the following argument valid or not? If you can sign up for fall classes then you have a panther…

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Q: 4. Write each of the following statements as an English sentence that does not use the symbols for…

A: We have to write the part b.) as an English sentence that doesn't use the symbols.

Q: In the argument "P(QV¬RAS)" which symbol is the "major connective" (the one from which the validity…

A: given argument ¬P→Q∨¬R∧S

Q: Which of the following statements below is not correct a.b ∈ {a,b,c,d,e,f} b.h ∈ {a,b,c,d,e,f}…

A: In the set theory, the elements (or members) are collected on the basis of one or more common…

Q: の B* UI O O

A:

Q: 8) Do deMorgan's laws hold for n propositions? Show this equivalence: - (a, A d2 A... A a,) = ( ~ a,…

A: To show :  ~a1∧a2∧...∧an≡~a1∨~a2∨...∨~an , or                  ~∧i=1nai≡∨i=1n~ai

Q: Verify by constructing truth tables that the following wffs are tautologies. Note that the…

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Q: Consider the statement: If tomorrow is a Saturday, then we do not have classes. Write converse,…

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Q: Given the following statement: London is bigger than the capital of France Then the predicate part…

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Q: O Civen the drte poirts : (e.1), (3,5),(5,1),(4 ,1 ) ond (7,0) 'weticarte y= C, tx C2+x 2 ue the…

A: This problem is based on topics Lagrange interpretation polynomial.

Q: Is the following grammar ambiguous? Justify your answer. S → aSb|bSa|SS|A

A: Given- S→aSb|bSa|SS|λ To find - Is the following grammar ambiguous and to justify the answer. Here…

Q: Prove that the following grammar is ambiguous- V:{S} ∑:{id,+,*} P: S->S+S/S*S/id S:{S}

A: Here we draw two different purshe tree both of them producing same terminal.

Q: Every compound statement is equivalent to a statement using only the connectives of conjunction and…

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Q: A OTT provider is interested to know that how its content is preferred by various regional groups.…

A: Given, Observed Frequency (O) Table : number of rows  = 4 ,number of column  = 3 1) Answer : true…

Q: Consider the following statement. If n is divisible by 6, then n is divisible by 2 and n is…

A: Consider the following statement If n is divisible by 6 , then n is divisible by 2 and n is…

Q: 30. Use Venn Diagram to answer the following problem Mrs. Cruz asked her 30 students who among their…

A: Here the total number of students is 30 Let M represents the mother Let F represents the father Let…

Q: Which is the main connective of the following sentence: [[-(AB) v CJ-DIVE A. - B. C. V

A: given sentence ~A→B∨C↔~D∨E

Q: Suppose we have the following grammar, where a and b are terminal symbols, and S is a nonterminal…

A: Explanation - only one production rule for S so can't generate  aaabbb. It always generate even…

Q: Consider the following CFG S → SS+ | SS* | a Check whether the grammar is ambiguous. If so,…

A: Answer: For the given data,

Q: Which APA sentence below is formatted correctly with no mistakes? t(.8128) = 7.0, p = α, tobt =…

A: Solution A APA format contain the df,t value ,p value compared with alpha and effect size.

Q: Let E (a,b, c). Design an NFA that accepts the language L = {a}, which consists of exactly one word…

A: Solution

Q: Construct the semantic tableaux for each wff to determine whether an equivalent wff exists that…

A: According to the given information, first it is required to make the semantic tableaux for the given…

Q: If R is reflexive, then R is reflexive. O True O False

A:

Q: If the given string is an element of the language L = (b*a)* answer T, otherwise, answer F. 1. baba

A: Given string (b*a)*

Q: Here is a model M:      Domain:{1,2,3,4,5}      P:{1,3,5},Q:{2,4,5},R:∅,S:{3,4}      a: 3, b: 4…

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Q: C_B* O UI

A: