3. Prove context free (give CFG or describe PDA) or not (Pumping Lemma): ak bi|k>(j-1)² b. wtwR | w,t in (a/b)* and |t|=|w|. Hint: not CF For any grammar that you write, answer if ambiguous or not (or unknown). Explain. a. C. wtwR|w,t in (a/b)*. (Hint: CF)

Q: e following grammar: -> -> p | p -> q r -> t | t use the method to implement a parser which…

A: It is defined as the short form of LOGical PROgramming. It is a logical and declarative programming…

Q: subject : thoery of computer science  Consider the following grammar G = {S, A}, S = {S}, ∑ = {a,…

A: Answer is given below-

Q: 5. Consider the following FIRST and FOLLOW sets, F, where S is the start symbol. a) Create the…

A: Below I have provided handwritten solution to the given question:

Q: 5 The production rules for a grammar G with start symbol S, terminals a, b, and c and non-terminals…

A: Here, we are going to generate the string bacab using given grammar G and also check whether the…

Q: mmar G be: S -> AB | BC A -> BA | a B -> CC | b C -> AB | a Check using CYK algorithm that the…

A: It is defined as a four tuples : G=(V,T,P,S) where : G is a grammar, which consists of a set of…

Q: Consider the details given below. What is the result if Arden's Rule is applied to equation 1? *…

A: Lets talk about  Ardens Rule  Let P and Q be two regular expressions over ∑  If P does not contain a…

Q: Convert this pair of extended productions to conventional productions. Identify, from the list…

A: Given that [C] is optional. So, Basing on this , answer is as follows.

Q: What is meant by the elimination of epsilon (E) productions? Also eliminate E-productions from the…

A: The Answer is in given below step

Q: 2. Let the Following Grammar be S-> S+S| DRT | (S)| A A-> B| al c| MG| e F-> A| TYU|G B-> d| r| e…

A: Given grammar is: S→S+S|DRT|(S)|AA→B|a|c|MG|εF→A|TYU|GB→d|r|εQ→RTY|GHT a. Given string is w=d+(a+r)…

Q: Provide context-free grammars which generate each of the following languages and explain how your…

A: In this task, we are tasked with creating context-free grammars for four different languages, each…

Q: Consider the following grammar G6 from the book: := + | := | = ( cexp> ) lalb|c (a) Draw a…

A: I'm providing the answer to the above question. I hope this will be helpful for you..

Q: Consider the grammar G where the start symbol isSwitha set of non-terminals{S A}, a set of…

A:

Q: . For the following, prove context free by giving CFG or describe PDA. If not context free then…

A: Since the length of any string w ∈ B is odd, w must have a symbol exactly in themiddle position;…

Q: 10 A grammar G(S): S→T-S| a+S | a T →S(T) |ɛ (1) Eliminate left recursion and backtracking; (2)…

A: Given grammar is: S->T-S|a+S|a T->S(T)|ε

Q: Define Backus-Naur Form and Context-Free Grammars.

A: Backus-Naur Form  is used to write a formal representation of a context-free grammar. It is also…

Q: Consider the CFG, G, defined as: (S being the start symbol) S- AB A - aA|a B - bB|b a) Apply the…

A: S ->aAs ->aSbAs A ->SbA a A S ->aabAS S ->a a ->aabbaS A->ba S b A ->aabbaa…

Q: Please explain how you solve the follwing problem:

A: a) CHAIN set for each variable:CHAIN(S) = {B, C, A}CHAIN(A) = {A}CHAIN(B) = {B}CHAIN(C) = {C, A}

Q: n.5 Let G = (V = {S,T},£ = {a,b}, P, S) be a context-free grammar, whose productions P are defined…

A: Context free grammar: It  is a formal grammar which is used to generate all possible strings in a…

Q: Consider the grammar X--> XY | id Y --> id Check whether the given grammar is LL(1) or not. K and Y…

A: to check the above grammar is LL(1) or not is detailed in step 2.

Q: Question 16 The given context-free grammar is ambiguous or unambiguous? Write a sentence to support…

A: Yes the given context free grammar is ambiguous as there exist more than one parse tree for the…

Q: Q1 Consider the following regular grammar with start symbol S. {SaS, SaB, SaA, A→bS, A→ bB, AA, BaS,…

A: A formalism employed by automata theory and formal language theory would be characterized as regular…

Q: Consier a set of simbols E= {a,b}, (1) Find all strings in E* shorter than 3. (2) Let L = {2 , a,…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: b. Begin with the grammar G ({a, b}, {S, A, B, D, E}, 8, S) 8 = {S→ ABb | AB A→ aA | Db | a| ɛ B→…

A: The CFGs into Chomsky Normal Form(CNF)

Q: Prove that each of the following languages is context-free by constructing a context-free grammar…

A: Context Free Grammar: A grammar contain a context free grammar then it must be a context free…

Q: 4) For the grammar with V = {0, 1, A, B, S}, T = {0, 1}, and the productions S → 0A, S → 1B, S → X,…

A: I have given an answer in step 2.

Q: a context free grammar G accepting the same language as FSA

A: Given :- In the above question, a context free grammar G accepting the same language as FSA along…

Q: Given the following DFSM M, the correct statements are: S a,b a,b T (aa Uab Uba U bb)*" is a regular…

A: The acronym DFSM represents "Deterministic Finite State Machine." A DFSM, also called a DFA…

Q: Consider the context-free grammar below that generates mathematical expressions (it uses "a" as a…

A: As given context free grammer  i fill the given placeholders. 1.S->BA [a,*,/]…

Q: 4. Give a direct construction of a pushdown automaton (not via conversion from context-free grammar)…

A:

Q: Let consider the grammar G2 = ({S, P, Q, X, D}, {a, b, c, d}, S, P) where P= {S → PB / X; P→ aPb/ab;…

A:

Q: 10. Let B be the language of all palindromes over {0,1) containing equal numbers of 0s and 1s. Show…

A: Given questions are not interlinked. As per our guidelines, only one question will be answered. So,…

Q: Q 2. Give a CFG G that generates all regular expressions on the alphabet = {a,b}. i) Provide the…

A: i) Grammar : It is a set of Production Rules for Strings in a Formal language         it is denotted…

Q: Qn.5 Let G = (V = {S,T},£ = {a,b}, P, S) be a context-free grammar, whose productions P are defined…

A: Given that, G=(v={S,T}, ∑={a,b}, P,S} is a context free grammar Productions of the grammar are:…

Q: Define the rule echoN(LST0, LST1, CNT). This rule determines when LST1 consists of only CNT…

A: This rule is crafted to determine when LST1 is composed solely of CNT repetitions of the elements in…

Q: S = NB und S → 1 B = SN N = 0

A: i have given an detail answer in step 2.

Q: Using the algorithm discussed in class, ”Big loop algorithm” show the transition diagram for a…

A: We have to show the transition diagram for a pushdown automaton (PDA) to recognize the language…

Q: t copy. Warning:- it's wrong  I need the required one.

A: The answer given as below:·

Q: 2. Given the grammar below, without any modifications, is it LL(1) in its current form and why yes…

A: Answer is given below-

Q: Qn.5 Let G = (V = {S,T},E = {a,b}, P, S) be a context-free grammar, whose productions P are defined…

A: Solution: