Stuck need help! The class I'm taking is computer science discrete structures. Problem is attached. please view both attachments before answering.I need help with parts A and B.Please explain answer so I can fully understand.Really struggling with this concept. Thank you so much. Let X ={strings in A} Name two B, CE X and two D, E C X such that...a) BUC = XB =C =b) DnE + ØD =E =I| || Let Set A{the quick brown fox jumped over the lazy dog} be a set of strings (two or%3Dmore characters) formed by characters (single letters) in the standard alphabet.Enumerate (assign numbers to) the alphabet asAВCEFKMPQVWY13457810111213141516171819202122232425Consider the following encryption algorithm written in pseudo code:Encrypt(set):define f (x) = x + 13 mod 26.Now,Vx E characters of A,If x = 14 mod 26,> f (x)Then x →If not,Then x → X

A = {the quick brown fox jumped over the lazy dog} Then, X = {the, quick, brown, fox, jumped, over,…

Answered: Let X = {strings in A} Name two B, C C…

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Let X = {strings in A} Name two B, C C X and two D, E C X such that... a) BUC = X B = C = b) DnE + Ø D = E =

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

100%

Stuck need help! The class I'm taking is computer science discrete structures.

Problem is attached. please view both attachments before answering.

I need help with parts A and B.

Please explain answer so I can fully understand.

Really struggling with this concept. Thank you so much.

Let X =
{strings in A} Name two B, CE X and two D, E C X such that...
a) BUC = X
B =
C =
b) DnE + Ø
D =
E =
I| ||

Let Set A
{the quick brown fox jumped over the lazy dog} be a set of strings (two or
%3D
more characters) formed by characters (single letters) in the standard alphabet.
Enumerate (assign numbers to) the alphabet as
A
В
C
E
F
K
M
P
Q
V
W
Y
1
3
4
5
7
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Consider the following encryption algorithm written in pseudo code:
Encrypt(set):
define f (x) = x + 13 mod 26.
Now,
Vx E characters of A,
If x = 14 mod 26,
> f (x)
Then x →
If not,
Then x → X

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