language over the alphabet Σ = {0,1}: L={ w | w starts with 1 and has odd length, or starts with 0 and has even length }

Q: Give regular expressions for the languages given below over the alphabet E = {a,b, c}. (a) The set…

A: Given that, Σ= {a, b, c} The language contains three input alphabets a, b and c. Regular expressions…

Q: Write a regular expression for the language L, over alphabet Σ= {0, 1, 2), such that every 0 that is…

A: Given that, Σ={0,1,2} In Regular expression, every 0 is followed by 1 and every 1 is followed by a…

Q: Given: Language L = { w is in {0, 1}* | w has even number of 0’s} Sample strings L = {00,…

A: Here i am writing CFG  for this language:…

Q: = A language over alphabet = {0,1,2,3,4,5,6,7) in which reverse of each string (for instance,…

A: To generate a language over the given alphabet Σ = {0, 1, 2, 3, 4, 5, 6, 7} where the reverse of…

Q: The language we are using here is in Racket.  Please try tying each of the following (car '(11 12…

A: What do car and cdr do? That last line of the above should cause an error. Explain why the single…

Q: For the language L E {0,1}*, find a regular expression representing the following: a. i. All strings…

A: λ + 0 + 1 + (00 + 01 + 10)(0+1)* Explantion Strings with 0 length: λStrings with 1 length: 0 +…

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

A: set of symbols = {a,b,c}

Q: Consider the following languages over Σ = {0,1} for L2 is the language of all strings that do not…

A: Defined over the alphabet Σ = {0,1}, language L2 is made up of strings devoid of the pattern "00".…

Q: 4. Consider the following languages. • ANFAFIN = {(N) |N is an NFA and L(N) is finite} • EREX = {(R)…

A: Answer:- No,All strings of the form 10n are contained in L(N) (in addition to other strings as…

Q: Closure under prefix operator. Prefix operator is defined as: prefix(w E E*) = {w1 .. wk| 0< k <…

A: Closure Under Prefix Operator. Prefix Operator Is Defined As: Prefix(W E **) = {W1 ... Wkl 03 K &lt;…

Q: the alphabet (a, b, c), construct FSM's that accepts strings: Given a) that contain an odd number of…

A: FSM stands for Finite State Machine that can be in exactly one of a finite number of states. An FSM…

Q: Draw a DFA that accepts the following language over the alphabet {0,1}: the set of all strings that…

A: a DFA that accepts the following language over the alphabet {O,1}: the set of all strings that…

Q: 042. Prove that the language L= (0"1n*1 |n> 0} is not regular. %3D

A: We are using Pumping Lemma for regular languages to prove given language is not regular.

Q: Please written by computer source Design an NFA over Ʃ = { 0, 1} that accepts language L for which…

A: Given that, Set of input alphabets Ʃ = { 0, 1} The language L contains the strings that starts and…

Q: Consider the language of all strings which contain two consecutive 0 that ? = {11, 111, 110, 011,…

A: We need to find a RE for all strings which contain two consecutive 0.

Q: Let’s define languages: L1    = {wan | w is an arbitrary string containing a’s and b’s, of length…

A: L1= wa^n/ w is an arbitrary string containing a's and b's, of length n L2= {w/01^*0(11+00)^*}

Q: Give regular expression that describes the following language, which is over the alphabet {0, 1}. {-…

A: Regular expression {w:w does not contain substring 001,and w contains an even number of 1's}

Q: Let L₁0 = { 0×1² : x is even and x ≤ y } Show that language L₁0 is regular, context-free (but not…

A: If a language is not regular it is possible to prove using pumping lemma. If a language is context…

Q: How would I draw a DFA (Determinist Finite Automaton) for the following language? It's possible you…

A: please do upvote for my efforts thanks!   answer:

Q: B generates the regular language, L= {ab" | a 2 1 and m 2 2}. Implement the above FSM as a C++…

A: It is defined as a machine is used to recognize patterns. Finite automata machine takes the string…

Q: The finite state machine (FSM): a b. a A B C generates the regular language, L = {a"b™ | a 2 1 and m…

A: #include &lt;iostream&gt; #include &lt;cassert&gt; #include &lt;string&gt;   using namespace std;…

Q: Determine whether A is a regular language or not. Fully justify your answer. Assume = {0,1} and let…

A: In theoretical computer science, regular languages are a category of formal languages that can be…

Q: the first b. 3.The last symbol of the string is d. 4.Each a is immediately fo

A: Let L be the language over {a, b,c,d} accepting all strings so that: 1.All c’s occur before the…

Q: Consider the language of all strings which contain two consecutive 0 that ? = {11, 111, 110, 011,…

A: Hellostudent  I am giving this solution as per my best of knowledge  Please  do upvote for me

Q: For the following regular expressions over the alphabet Σ ={a, b}, give a word description of the…

A: Regular expressions are powerful tools in computer science and formal language theory for describing…

Q: 2. Give a DFA for the following language over the alphabet E = (0,1): L=( w | w starts with 1and has…

A: This dfa can be made using 5 states below is the dfa.

Q: the language F which contains all natural numbers which are not prime. The numbers in F are called…

A: According to the question, we have to  i. Prove that F is in NP by writing (in pseudo-code) the…

Q: Let L be the set of exactly those strings over the alphabet {a, b, c, g} whose last symbol is either…

A: Given NFA should accept all strings over {a,b,c,g} even length Accepting strings are aa ab abcg aabb…

Q: Give a description representation of a Turing Machine Mg for language B = {w over {0, 1, #)* | w…

A: Answer: 1. Turing machine consists of a set Q of states. 2. At any stage of computation, the TM…

Q: Consider the language L of strings over the alphabet Σ = {a, b} which contain an equal number of a’s…

A: CFG is a formal grammar which is used to generate the all possible strings in given formal…

Q: Give a regular expression for the smallest language Lover Σ = {a,b,c} such that EEL • aa EL Vr E L,…

A: A regular expression is a character sequence that describes a text search pattern. String-searching…

Q: L₁ = {w {a,b,c}* | n₂(w) ‡ 3, n(w) # 4, and no (w) # 7} (where no(w) represents the number of 'b's…

A: Language L1 have string w belong to {a,b,c}*. Means input symbols are - a, b, c. As in question…

Q: Consider the language L of strings over the alphabet Σ = {a, b} which contain an equal number of a's…

A: By establishing a context-free grammar (CFG), it is possible to demonstrate the context-freeness of…

Q: Give a regular expression for the following language L a) L is the set of all strings over alphabet…

A: We are going to give regular expression for the given Language with and without epsilon-empty…

Q: Give regular expressions that describe the following languages containing the set of all strings…

A: A.) { w | w a word in which 3rd symbol from RHS is ‘a’ and 2nd symbol is 'b' }. aaa , aab , aaab ,…

Q: 1. (a) Consider the following NFA (over the alphabet (0, 1}). i) What is the shortest string…

A: i) In a given NFA the shortest string accepted by the NFA is "01" ii) The regular expression for L…

Q: . Are the following problems decidable or undecidable? If the language is decidable, explain why,…

A: Let's analyze the decidability of the given problems:(a) **L5a** = {(M) | M is a Turing Machine that…

Q: Given the language L(r) defined over the alphabet {a,b} where r = b(aabb)*a: a. Define a PDA that…

A: We are given a language L(r) ,  where r = b(aabb)*a and we are going to design PDA for it. Then we…

Q: A palindrome is a string that reads the same backward as forward, i.e., w = wR. A palindromic…

A: Hey there, I am writing the required solution of the questin mentioned above. Please do find the…

Q: Let L be the language defined by the following regular expression 0(0 | 1)∗1(0 | 1)∗ Write 3…

A: The regular phrase 0(0 | 1)*1(0 | 1)* defines the language L. A group of strings with particular…

Q: given a string s comprising of the characters 0, 1, and ?.    We should call a string unsteady in…

A: Here have to determine about string unsteady in the event problem statement in python.

Q: Let L be the set of exactly those strings over the alphabet {a, b, c, g} whose last symbol is either…

A: Transition function :  that takes as arguments a state and an input symbol and returns a state.…

Q: Let Σ be a non-empty alphabet and LCE* be a context-free language. Which of the following languages…

A: reverse_1(L): Given a language L ⊆ Σ*, reverse_1(L) = {xy : ∃x, y ∈ Σ*, x ∈ L and yR ∈…

Structured English

Structured English uses a simple English language to make structured programming easier for non-professionals. The program is divided into various parts that are known as logical statements. These statements are written in a simple English language.