Which of the following productions is allowed in a CFG in Greibach Normal Form? а. А — ВаС O b. A → X Ос. A → aBC O d. A → BC

Q: Consider the token specifications, CFG and the semantic rules for the AC language as discussed in…

A: Error Explanation f i i = 5.1 p i Semantic Error Uncleared datatype declaration. f i means…

Q: First decide whether the simple statement is true or false. Then state whether the given compound…

A: Two statement forms are called logically equivalent if, and onlyif, they have identical truth values…

Q: Consider the following regular expression r: b(a+ ab) ab Which of the following words are in the…

A: Among the given options, only the following words are matched with the given regular expression r:…

Q: For each of the following languages, determine whether or not it is context-free. You must justify…

A: determine whether context free or not and pumping lemma or not in palindrome

Q: regular expression

A: Given :- In the above question, the languages along with statements for each languages is mention in…

Q: Label the following statement as True (T) or False (F):  The following context-free grammar is in…

A: Given CFG: S → XY | XZ   X → XX | XY | aa   Y → YY | b   Z → ZX | ε

Q: 1. Create a PDA that is equivalent to the following CFG: Context-free grammar Variables: V =…

A:

Q: 1. Build a FA that accepts the language of strings, over alphabet {a, b}, that start with a followed…

A: Given the first question 1 , we have to draw FA that accept alphabet {a,b} that start with a…

Q: Find a regular grammar for each of the following regular expressions. a. a + b. b. a + bc. c. a +…

A: We need to find the regular grammar for the regular expression. This is the union of a and b.…

Q: a*b*+c* ?

A: In the following regular expression,  a*b*+c* we either choose strings of combination of a*b* or of…

Q: QUESTION 14 What is not true about context free languages? O A. Deterministic context free language…

A:

Q: 3) Give a regular expression defining each of the following languages over the alphabet Σ ={a, b}.…

A: Also known as, regex or regexp which means a sequence of characters that forms a search pattern. It…

Q: Principles of programming languages: The following grammar rules for pass the pairwise…

A: X → x | Y X → y | X X → z | x |Y

Q: Consider a language L = {a, ab, abb, abc, bb, bc, E}: Which of the following options are true…

A: Given Language L={a, ab, abb, abc, bb, bc, ε} L3= {a, ab, abb, abc, bb, bc, ε}*{a, ab, abb, abc, bb,…

Q: Consider the following grammar: S --> aSb S --> Sb S-E Which of the following expressions can NOT be…

A: The given grammar describes a context-free grammar (CFG) for generating strings over the alphabet…

Q: Find the CFG with no useless symbols equivalent to: S -> AB | CA B -> BC | AB A -> a C -> aB | b

A: A context free grammar (CFG) is a forma grammar which is used to generate all the possible patterns…

Q: For each statement below, decide whether it is true or false. If it is rue, prove it. If it is not…

A: Proved the given statement true or false

Q: this grammar to Chomsky Normal Form.  Show the steps in this conversion.

A: The given grammar in CNF

Q: Which of the following is equivalent to the grammar S-BOA A-1B|S B-AS 2 ? HINT: Simplify by cleaning…

A: Answer: The following is equivalent to the grammar.  S =>B0|A      A =>1B|S     B=> AS|2…

Q: You are given the following context-free grammar: S → EGF H E → eE | e F → f | E G → g H → hH | hh |…

A: i am permitted to give only one answer from a question.hence,i am giving answer of first…

Q: To form the possessive of plural nouns that end in s, a. add --s'. b. add just the apostrophe after…

A: The correct option is b. add just the apostrophe after the s. To form the possessive of plural nouns…

Q: Which of the following statements about languages are true?

A: Lets see the solution.

Q: Complete the truth table for the following compound statement. (p V ~q) → (r ^ ~p) 2.

A: Implication statement returns False if only the second statement is False AND returns True if both…

Q: 2. Tell me whether the following strings are accepted by the TM below. Describe the language that is…

A: Turing Machine is a system designed to accept or reject a set of symbols based on defined rules. It…

Q: Which of the following is true about bottom-up parsers? a.Input is processed from right to left…

A: Parsing is a parsing technique that first looks at the lowest level of the parse tree and works up…

Q: For the following pairs of expressions, find a unifier for each pair if a unifier exists. If a…

A: For the following pairs of expressions, find a unifier for each pair if a unifier exists. If a…

Q: Each of the following languages are composed of two simpler languages over the alphabet Σ = {a, b,…

A: A DFA, or deterministic finite automaton, is a type of finite automaton where the computation is…

Q: Chomsky Normal Form: Most useful grammars can be translated into a nor- mal form making answers to…

A: The solution for the above given question is given below:

Q: QUESTION 3 Prolog has pairs in the sense that the term is used in Scheme. Suppose we wish to make a…

A: 1)   Prolog has pairs in the sense that the term is used in Scheme. Suppose we wish to make a…

Q: For each of the following languages L, give a regular expression that represents L and draw or…

A: a) below is the DSA

Q: Fill out the table for executing the polynomial-time dynamic programming algo- rithm for deciding…

A: Solution ::

Q: Define a CFG and PDA for the language. L = {xy | x,y∈ {0,1}* ∧ x != y}

A: The answer is

Q: Which of the listed languages are languages of the grammar, whose productions are here given (s…

A: A type of formal grammar that generates all feasible strings in a formal language is known as…

Q: S->A | AX X->ABY | AB Y->ABCY | ABC BA -> AB CA -> AC CB -> BC A->a B->b C->c   Use the…

A: Given that, S → A | AX X → ABY | AB Y → ABCY | ABC BA → AB CA → AC CB → BC A → a B → b C → c

Q: Construct a regular expression over {a,b,c} for the language accepted by this a →A | B | | C 1 A C…

A: Let us try constructing the state table for DFA from state table of NFA Here start state for NFA is…

Q: operators

A: Given :- Consider two operators A and B   Need to find the commutator of two operators for the given…

Q: For each statement below, decide whether it is true or false. If it is true, prove it. If it is not…

A: Subset or equal to case in a language: All the strings that belongs to the left side language must…

Q: We want to construct a regular expression for the language accepted by the following DFA: b а,b a ´a…

A:

Q: This is not a writing assigment but it is being rejected as a writing assignment. Provide a DFA or…

A: Let's create a DFA for the string bbab and aaa now. String bbab will enter the dead state when it is…

Q: Which of the following is/are grammar(s) for the language a*b* ? Lütfen bir ya da daha fazlasını…

A: The regular expression is a*b*   * takes value from 0 to infinity. For different values of *, we can…

Q: For each statement below, decide whether it is ti true, prove it. If it is not true, give a…

A: Proved that the given statement false or true