Question: Let = {1, #} and let Y = {w| w = x 1 #x 2 # #xk for k 0,

Let  = {1, #} and let

Y = {w| w = x1#x2# · · · #xk for k ≥ 0, each xi ∈ 1*, and xi ≠ xj for i ≠ j}.

Prove that Y is not regular.

Step by Step Solution

★★★★★

3.39 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

The language Y is not regular because it cannot be expressed with a regular express... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Introduction theory computation Questions!

Q:

Let A denote a square matrix. (a) Let YA = 0 for some matrix Y 0. Show that A has no inverse. (b) Use part (a) to show that (i) (ii) Have no inverse. 112 110 101 101 110 211

Q:

If x1, x2,...., xk are vectors in a vector space V and Span(x1, x2,...., xk) = Span(x1, x2,...., xk-1) then x1, x2,...., xk are linearly dependent.

Q:

Let (a) Evaluate each limit, if it exists. (b) Where is f discontinuous? (c) Sketch the graph of f. 2 (x 3) If x> 3 lim limm lim

Q:

Programming in F# My program works but one test case does not This is the question : My code is: let example1 : expr = LetFun ("f", "w", Let ("x", Num 2, Let ("y", Num 3, LetFun ("g", "z", Plus (Plus...

Q:

Mohammed Yaaseen Gomdah MATH 203 Winter 2016 F WeBWorK assignment number Assignment 5 W14 is due : 02/17/2016 at 03:00am EST. The (* replace with url for the course home page *) for the course...

Q:

LINEAR REGRESSION PLEASE ANSWER PART B. PART A IS INCLUDED FOR REFERENCE ONLY. We investigate the solution of regression. For simplicity, we have only one feature x to predict y. Suppose we are given...

Q:

File 3: Sales Data Analyst You are the chief analyst that is responsible for monitoring sales at your company. The CEO has tasked you with providing the board of directors with some high-level...

Q:

$3. 3(y - 2)2 - 7 $4. (1 -t)2 - (1 - t) 1 - 2 In Exercises $5-$11, solve the equation for y. $9. x = Vy-2 88. * = 4y 1 -y $5. x = 3y -4 $6. 4x - 3y=7 $11. x = 5 -(2y) Sil ty -4 EXERCISES In Exercises...

Q:

Q #1 3. [0.5/1 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 7.3.026.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER For this problem, carry at least four digits after the decimal in your...

Q:

The demand for subassembly S is 90 units in week 7. Each unit of S requires 1 unit of T and 2 units of U. Each unit of T requires 1 unit of V, 2 units of W, and 1 unit of X. Finally, each unit of U...

Q:

Mitzi's Muffins Ltd. purchased a commercial baking system for $150,000 at the beginning of 20X1. The estimated economic life of the system is 10 years and Mitzi's uses straight-line amortization. At...

Q:

According to a report on workforce diversity, about 60% of the employees in high-tech firms in Silicon Valley are whites and about 20% are Asians (moneycnn.com, November 9, 2011). Women, along with...

Q:

Backdating refers to: Question content area bottom Part 1 A . choosing the strike price of a stock option retroactively. B . choosing the share conversion ratio retroactively. C . choosing the...

Q:

Use Shepards to evaluate Revenue Ruling 2005-76l. a. What are the full citations listed for this ruling? b. What Shepards evaluation symbol is associated with the case? What does the symbol mean? c....

Q:

If the parameter to the makePayment method of the CreditCard class (see Code Fragment 1.5) were a negative number, that would have the effect of raising the balance on the account. Revise the...

Q:

The PredatoryCreditCard class provides a processMonth( ) method that models the completion of a monthly cycle. Modify the class so that once a customer has made ten calls to charge during a month,...

Q:

Assume that we change the CreditCard class (see Code Fragment 1.5) so that instance variable balance has private visibility, but a new protected method is added, with signature...

Q:

The Riesen Publishers (TRP) is a publisher of magazines. Its accounting policy for subscriptions follows: Assume TRP (a) collected $430 million in 2021 for magazines that will be distributed later in...

Q:

The Summit Petroleum Corporation will purchase an asset that qualifies for three - year MACRS depreciation. The cost is $ 3 9 0 , 0 0 0 a the asset will provide the following stream of earnings...

Q:

he Malbim Company uses a process costing system. During July, 10,000 units were started in production; of these, 7,000 were completed and transferred to the next department. Materials are added in...