Provide union of the: Language in which third last letter is ‘a’. Language containing no more than one occurrence of sub-strings ‘aa’.   Defined over set of alphabets S = {a, b}.

Q: Remove the consiquitive repetitive ovvurence of the characters in the words of a string.

A: A string is a non-numeric variable that stores a sequence of letters or other characters. C++ allows…

Q: Let L be a decidable language. Write a program in pseudo-code that enumerates L in canonical order.

A: 1. Consider the language L = {w | w is a word in the language L}2. Let L be the set of all words in…

Q: Q2: B/ Construction string of the language of a minimal DFA accepting a se contains 'ab' as the…

A: Given :

Q: 8. Build a DPDA that accepts the language L = {(ab)" (aab)b2|n20

A: Given that:

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: Let B be the language defined as follows: B = { www | we (a, b}"} Let p be a positive integer and…

A: Below is the answer with reason:

Q: Suppose that alphabet E = : {a, b} and that L = { w E E* : w = am b" a" bm and m > 0 and n >0} is a…

A: given a language and we have to state that weather the language is context free or not..  to check…

Q: EX1: The language L of strings that does not start with (b,c) defined over £={a,b,c}. EX2: 1- The…

A: regular language to the above questions is in step 2.

Q: EBNF grammar for a concert calendar

A:

Q: Question 5: what is suffix trie in data structure? How do you show the suffix trie T for eight…

A: Suffix Tries • A suffix trie is a compressed trie for all the suffixes of a text Compact…

Q: 3) Language of a b²n, where n>=1. 4) Language of a³"b", where n>=. 5) W| the length of W is odd.

A: The answer for 3,4,5 are below (except for 1,2) Below is detailed explanation:

Q: ) Construct a DFA/NFA that accepts the language L defined over the alphabet (5, 1, 2) as follows:…

A: The language that is created by (5,1,2) and requires the presence of the string 512 can be expressed…

Q: Describe all the following languages as a set of strings. 1) L = L₁ L₂ 2) L₁ L 3) L&L 1) La L₂ 5)…

A: Dear student, you have asked multiple parts questions. As per our guidelines, An expert is only…

Q: 4. Enumerate the first four strings in the following languages, where E = {0, 1}: Let L2= {w: w…

A: Finite automata for the L1 and L2 is in below:-

Q: Q2 Combining languages Let L₁ = {ab, ba}, L2= {b, aa, abba}, L3= {x|x {a,b}* ^ |x| ≤ 3} = {A, a, b,…

A: We are given three languages and we are asked to evaluate (L1 *.L2) ∩ L3. First we will find out…

Q: Write the Regular expression for the language which accept no pair of consecutive a’s over Σ ={a,b}…

A: i.RE: (b + ab)* (a + λ)ii. 3 valid stirngs: ab, aba, babiii. 3 invalid stirngs: aa, bababaa, baaba

Q: Define a DFA that accepts the language L of all strings defined over the alphabet ∑ = {a,b,c} that…

A: In this question we have to define and implement a DFA that accept a language L of all string…

Q: 0. Define the rule "memberDeep(VAL, LST)". This rule determines when VAL is an element of LST. LST…

A: The memberDeep(VAL, LST) rule recursively checks whether VAL is an element of the list LST. It…

Q: Write regular expressions representing the following languages over the alphabet {0,1}. a.) Language…

A: A Regular expression is defined as a pattern that can attempt to match input text as it is composed…

Q: Suppose that L, is a regular language and L, is a context-free language. Which one of the following…

A: Explanation:L1 is  regular and L2 is  context-free language.Every regular language is context-free…

Q: Bonus assignment: How to test/find out if two regular expressions are equal with the help of the…

A: A regular expression is a succession of characters that determines a hunt design in text. Normally…

Q: Construct a DFA/NFA that accepts the language L defined over the alphabet (5, 1, 2) as follows: L=(w…

A: The language that is created by (5,1,2) and requires the presence of the string 512 can be expressed…

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: Suppose that L1 is regular,L2 is finite and L3 is not regular.which of the following languages is…

A: Every finite language is regular. Regular languages are closed under union, intersection, and…

Q: 15) Let M be the language over {a, b, c, d, e, f} accepting all strings so that: 1. There are…

A:

Q: 5. a. Write a lambda expression for a Comparator that compares strings in increasing order of their…

A: Here I have created the list of strings and added 5 values to the list. Next, I have created 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: 1. Prove that the following language L is not contextfree: L= { a'b'a| jzi>1 }.

A: proof that Not a Context free

Q: 8. Build a DPDA that accepts the language L = {(ab)" (aab)b²" |n≥0

A: Given that:Ex

Q: term factor Y power atom X NUM $

A: SOLUTION - Term=factor Y Y=*factor|ε Factor=~factor|power Power=atom  X X=**power| ε Atom=NUM…

Q: (lambda x, y, z: x + y + z)(1, 2, 3) class Dog: species= "Canis familiaris" def __init__(self, name,…

A: Answer:

Q: 5. i) Find the language L(G) overs, {a,b,c} generated by the grammer G with production S-aSb, aS-Aa,…

A: String generation is defined as the process of creating a set of strings from a collection of rules…