Write a grammar for the language consisting of strings built only of theletters aand b. The strings may have any number of these letters, but the letter combinationsbabmust be in each stringsomewhere, and each stringmust startwithabb. For example, the strings bbababbbaa, bbbaaaababaa, and bbbabare in the language, whilea, aabb, baaa, and bbba are not.

Q: For the grammar G with the productions: S -> a S b | c | S S Give a CNF G' such that L(G') = L(G)…

A: Solution:

Q: Consider the following grammar, → a b → b | b → a | a Find out any five sentences that are in…

A: The answer is as follows

Q: Consider the following grammar: S➞ ACB/CbB/Ba A➞ da/BC B➞ g/∈ C➞ h/∈ What is the follow of B?

A: To compute First(A) for all nonterminals A, apply following rules until nothing can be added to any…

Q: Consider the context-free grammar G = ({S, R, T}, {a,b}, P, S'), where P contains: • S → R|T, • R→…

A: Note: The solution of the first subpart is shown below. Please repost the question with the…

Q: Let E = {a, b}. For each of the folowing languages, find a grammar that generates it. (a) L1 = {a"b™…

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Q: Give a simple example of a grammar G that does not have useless productions, such that when the…

A: Introduction : The meaning of context free grammars (CFGs) permits us to build up a wide assortment…

Q: Give a context-free grammar for the following language L {a"b"+mc : n > 0, m 2 0}.

A: Below is the answer to above question. I hope this will be helpful for you..

Q: Build a context-free grammar (CFG) for the following language: {a'b'a*W | i#l and j = k}

A: Answer: Given Language ={aibjakbl | i≠l and j=k} and we have to find context -free grammar

Q: Context Free Grammar: S' → S # S→IB = e B → AB|E A → [ e C]|.i C> eC|E a) Construct First and Follow…

A: As per our guidelines only three sub parts will be answered. So, please repost the remaining…

Q: Consider the language L of all strings made of the symbols a, b that have at least length of three…

A: As per our guidelines we are suppose to answer 3 subparts of a question, kindly repost other…

Q: Eliminate the variable B from the grammar S→ aSB | bB, B→ aA | b

A: This can be done by remove the one of the rules from the grammar.

Q: Find grammars for E = {a, b} that generate the sets of (a) all strings with exactly two a's. (b) all…

A: The, given grammar is:   = {a,b}

Q: Find a grammar that recognizes the following language: The language of the strings a^i b^j c^k with…

A: Defined a grammar that recognizes the given language

Q: Eliminate all useless productions from the grammar S → aS|AB|λ, A → bA, B → AA. What language does…

A: A useless production is basically a production which can never participate in the derivation of any…

Q: What set of strings is generated by the following grammar? S bS I Sa I aSb I ∈ Give proof.

A: Given: grammar is S bS I Sa I aSb I ∈

Q: Problem 1: Write a regular expression that recognizes the following language over the alphabet…

A: for solving this type of problem, we do four-step: STEP-1 first, write a regular expression for…

Q: This is a question from my first Theory of Computing practice homework assignment included as an…

A: b.)Let G be the grammar,G = (V, Σ, R, S) with set of variables V = {S, X}, where S is the start…

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Q: For EVEN-numbered students Write a Lex generated lexical analyzer that returns an INT or a FLOAT…

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Q: c) Consider the following is context free grammar. >s >A| aB | C | a A →Ab |a B > A C> Ab | aA What…

A: A Unit Production is of the form X --> Y, where X and Y both are non-terminal. To remove a unit…

Q: Find a context-free grammar for the following languages: a) L = {a"b™where n = m -1 and n 2 0 and m…

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Q: Write a grammar for the language consisting of strings that have n copies of the letter a followed…

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Q: Consider a context-free grammar G with the following productions, S → ASA B В > аСЬ | bСа C'→ ACA |…

A: Question :-

Q: let E = {a, b, c}. Give a context-free grammar for the language L3 = {a'b°c* | i, j,k e N and i + j…

A: A grammar contain a context free grammar then it must be a context free language. Context free…

Q: a) The grammar G is described by its vocabulary V = {a, b, c, A}, Production P = {A - ab, A - abc, A…

A: Actually, given question regarding grammar.

Q: Consider the ambiguous grammar S → ABS | AB A → aA | λ B → bB | λ What is the shortest string in…

A: Basically, there is not any standard rules for find out  ambiguity in  grammar.ambiguous grammar is…

Q: Design a Context-free grammar for the following language. L = {0*1$2* : i = 2k and i, j, k > 0}…

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Q: Consider the language L=(a*+b)*. Which of the following grammar depicts the language L? a) S aS | bS…

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Q: Reduce the following grammar such that there are no unit productions?

A: the following answer is below

Q: Give a context-free grammar for a context-free language. Let L be the language of all algebraic…

A: Precedence:- Operator with highest precedence is written on lowest level in grammar it means…

Q: Consider the language L=(a*+b)*. Which of the following grammar depicts the language L? a) S → aS…

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Q: a context free grammar

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Q: Implement a parser which recognizes the sentences generated by this grammar. Use Prolog

A: ANSWER:-

Q: Give a simple description of the language generated by the grammar with productions S aA, bS, S → A.…

A: The language generate by the given productions

Q: Find context-free grammars for the following languages (with n ≥ 0, m ≥ 0). (a) L = {anbm : n ≤ m +…

A: Context free grammar is utilized to create all potential strings in a given proper language. It can…

Q: Write a grammar for the language consisting of strings that have n copies of the letter "a" followed…

A: In this question, we have a language which contain strings that have n copies of the letter "a"…

Q: Hence the grammar:         G: ({S, A, B}, {a, b}, S, { S →bbAbabB,  A → aA|B| λ  , B → bB|A| λ})…

A: Derive the string bbaababaa with the given grammar using either leftmost or right most…

Q: Consider the grammar bexpr or bterm| bterm bterm and bfactor | bfactor bfactor - not bfactor | (…

A: Consider the grammar

Q: Give an unambiguous regular grammar for the regular expression: a(b∗d(c|a)∗)∗

A: Given answer as below:

Q: In this problem you are provided with a CFG/BNF and you are to determine which of the following…

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Q: Obtain GNF equivalent to the grammar E E+TIT T T FIF F>(E)la

A: The Answer is in below Steps

Q: 1. Find a context-free grammar that doesn't use lambda that accepts the same language as the…

A: The complete answer is given below .

Q: Consider the following grammar: S- A А— аВА' A'→ dA'/E B→ b C→g What is the follow of C?

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Q: 3. Write a program in C++ to check whether a string belongs to a grammar or not for the following…

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A: According to the information given:- determine whether the following strings can be generated by the…

Q: Eliminate the left recursion of the following grammar. S->(x)/x L->L,S/S

A: eliminate grammar left recursion L->L,S/S

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A: Question- Regular Grammar can keep track of only one property Context Free Grammar can keep track of…