Discrete Mathematic.i need solution for 2 b) asap !! Question 2Use logical equivalence rules/laws to prove that(a)~ [a^~b^ (a V c)] V (~ a^ b)^~ (a V ~ b V ~ c) = ~ a V b.(b) [(a+b)^~ b] →~a is a tautology.Note: clearly state the rules/laws applied in the proving steps.

The goal of this proof is to show that the expression [(a → b) ∧ ~ b] → ~a is a tautology, which…

Answered: (b) [(a+b)^~ b] →~a is a tautology.

Engineering

Computer Science

(b) [(a+b)^~ b] →~a is a tautology.

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

See similar textbooks

Related questions

Q: Draw a flowchart for an application that will calculate and display the amount of simple interest an…

Q: Provide a description of "firewall" in terms of network security, describe how it is applied to…

A: Introduction The term "network security" is used to describe the precautions taken to prevent…

Q: To create a website for a web application, what are the four most important components that have to…

A: Databases It is the primary database used to symbolize the worldwide status of online applications.…

Q: A hash table for m-linked lists? Hash function goals: Example.

A: Hashing distinguishes a single item from a collection of related things. Hash tables are often…

Q: How can a multi-threaded CPU avoid wasting calculation cycles? What happened because of what they…

A: Introduction: Multi-threading is a technique used by computer processors to improve their…

Q: List HTTPS's various risks and how it guards against them.

A: Introduction The HyperText Transfer Protocol Secure, also known as HTTPS, is a protocol that…

Q: Please briefly describe memory addressing and its importance.

A: Memory addressing is the process of locating and accessing specific locations or cells within a…

Q: Provide a summary of the three-sphere model for systems management and a list of the business,…

A: Introduction IT: IT (Information Technology) refers to the use of hardware, software, and networks…

Q: What is the purpose of the file that is labeled Bevco.xls?

A: The answer to the question is given below:

Q: What use do device drivers serve if the BIOS already contains the code to connect with the…

A: Device drivers are essential software components that serve a critical role in enabling…

Q: ROM and RAM make up a PC's main memory.

A: A personal computer's main memory comprises two types of storage: read-only memory (ROM) and…

Q: What precisely does it mean to provide software in the form of a service?

A: In this question we need to explain Software-as-a-Service (SaaS).

Q: Firewalls do what? I'm writing packet-filtering software. What are my requirements?

A: In this question we need to explain the functions of firewalls and requirements while writing the…

Q: Customizable multiprocessor systems are an advantage. Benefits make system design harder.

A: Your answer is given below.

Q: When an assault damages a system, it is called a

A: Please find the detailed answer in the following steps.

Q: Why should you distinguish EPROM, EEPROM, and Flash Memory? Parity bits' purpose?

A: Introduction: Another kind of ROM that is read and written optically is EPROM (Erasable Programmable…

Q: PyCharm Programming! A Game object knows its name and the number of avators is currently has. It is…

A: Sure, here's an implementation for the classes described in your prompt:

Q: What are the motivations for breaking down programs into modules and translating source codes into…

A: Because modular programming entails splitting your code into functions that each only deal with one…

Q: To what do you refer when you say "frequent itemset?" Additionally, please elaborate on the…

A: What are common itemset: Let's first clarify what data mining is. Data mining is the process of…

Q: What does a high-priority firewall system do? How do you use packet filtering software properly?

A: High Priority firewall system: A firewall is a network security device which monitors both incoming…

Q: An explanation of how organizations use cloud computing to manage their resources follows a list of…

A: Using the Cloud It is defined as a distributed network for the simultaneous sharing and use of…

Q: Can the four most important software development characteristics be categorized? Please choose one…

A: Introduction: The term "passionate" has been overused and oversaturated, to the point that it now…

Q: the capabilities of the operating system on a desktop machine?

A: Your answer is given below.

Q: To create a website for a web application, what are the four most important components that have to…

A: Databases It is the primary data source that is used to illustrate the condition of web applications…

Q: Why is it necessary for today's educational system to include technology into the teaching and…

A: Technology has become an integral part of our lives, and its impact on education is significant. The…

Q: Multiprocessor systems may be categorized by their interactions.

A: The answer is discussed in the below step

Q: Network intrusion detection uses how many technologies?

A: Introduction: Intrusion: Any illicit and unauthorised computer activity is referred to as intrusion.

Q: Which company firewall arrangement is most popular? Why? Explain.

A: A network firewall is a device that filters network traffic for cybersecurity purposes. The…

Q: Firewall management: what works best? Explain.

A: Given: What do you think are the best methods for managing a firewall? Explain.

Q: Which six paper factory directions inspired the design?

A: Definition: Each processor in the chain will have its own implementation for processing a command.…

Q: "Ethics"—what does it mean? Rights and freedoms—positive and negative rights—can they ever conflict?

A: The answer is given in the below step

Q: Have you ever considered whether an asynchronous or synchronous bus would be better for your central…

A: INTRODUCTION: Have you ever wondered if your central processor unit and random access memory will…

Q: WiFi "Access Points"—what are they? What's the process?

A: A WiFi Access Point (AP) is a networking device that allows wireless devices to connect to a wired…

Q: Why is it necessary for today's educational system to include technology into the teaching and…

A: Technology's involvement in the teaching-learning process is crucial to our educational system…

Q: Why is fighting cybercrime important?

A: Fighting cybercrime is important for several reasons: Protecting personal and sensitive…

Q: What's digital audio? analog-to-digital conversion.

A: Sound is simulated and transmitted via the use of digital audio. As a result, digital audio relies…

Q: What's the difference between avoiding stalemate and not?

A: Definition: Deadlock happens when two or more processes in a set are waiting for the same resource,…

Q: Why do workers need spreadsheet skills now? Give us two instances of how your organisation uses…

A: Introduction Microsoft Excel is one of the most widely used spreadsheet applications, and it is an…

Q: Just what does it imply when people talk about "Service Process Structuring"?

A: The above question is solved in step 2 :-

Q: Reusing application system components instead of developing unique software to satisfy individual…

A: While creating a software based on the unique need of client or customer, It often contains a lot of…

Q: Could you explain a cache hierarchy's fundamentals?

A: Given: What would you say a real cache hierarchy looks like? Answer: The hierarchy of a cache is: L1…

Q: Morality in the age of technology?

A: The following are some of the most pressing moral concerns raised by data innovation: The Right to…

Q: Cloud-hosted software provides several advantages over client-based storage.

A: This inquiry highlights the several advantages of a cloud-based programme over a conventional…

Q: Could you explain a cache hierarchy's fundamentals?

A: Given: What would you say a real cache hierarchy looks like? Answer: The hierarchy of a cache is: L1…

Q: Was it hard to develop a business-wide network? Your answer should summarise the issues and provide…

A: Please find the detailed answer in the following steps.

Q: Please provide me two solutions to avoid data issues.

A: Introduction Data loss, security breaches, and financial losses are just some of the significant…

Q: Many techniques can authenticate communications.

A: Introduction Authentication: Authentication refers to the method of validating a user's or system's…

Q: From quickest to slowest, computer storage devices should be listed.

A: According to the issue statement, we must list the computer's storage devices in order of quickest…

Q: Defining a system model is a difficult and time-consuming undertaking. While creating even the most…

A: When creating a system model, there are several considerations that should be given priority to…

Q: Write the pseudocode for an application that will implement the requirements below. Although the…

A: Here is the pseudocode for an application that will implement the requirements:

Question

Discrete Mathematic.

i need solution for 2 b) asap !!

Question 2
Use logical equivalence rules/laws to prove that
(a)~ [a^~b^ (a V c)] V (~ a^ b)^~ (a V ~ b V ~ c) = ~ a V b.
(b) [(a+b)^~ b] →~a is a tautology.
Note: clearly state the rules/laws applied in the proving steps.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

Construct a truth table for the given statement. Identify whether the statement is a tautology. (-q-p) → (q^p) P T T F F q (-q-p) → (q^ p) T F T F ➤ ➤ *** Is the statement a tautology? OA. The statement is not a tautology, since it is false for all combinations of truth values of the components. OB. The statement is not a tautology, since there is at least one combination of truth values for its components where the statement is false. OC. The statement is a tautology, since there is at least one combination of truth values for its components where the statement is true. OD. The statement is a tautology, since it is true for all combinations of truth values of the components.
2. Consider the following language: {r € {a,b}* | #a(x) < 2#b(x)} (a) Give a CFG for this set. (b) Prove that the given CFG is correct.
Ex). Let the grammer be defined by these rules S -> aSaa | B B -> bbBdd | C C -> bd. What is the languge accepted by the grammer?
CS 1105 Chapter 3 Question 7.4 Construct an NFA model that represents the language by the regular expression: x(y ∪ (xy)∗)(x ∪ yy)∗xy
2. Eliminate all e-productions in the following cfg G: G= ({S,A,B}, {a,b,c}, {S→Aa|BBBA, A→BS|ɛ, B-cScɛ}, S).
Consider an equivalence relation R on X={a,b,c}. R= {(a,a), (a,c), (b,b), (c,a), (c,c) } [a]=
let S = {s1, s2, s3, s4, s5}. Give an example of an equivalence relation R on S such that S/R has three elements and one equivalence class of R has at least three elements. Justify your example is correct by listing all of the elements of S/R and all of the elements in each equivalence class of R.
2-Rewrite the following BNF to give + precedence over * and force + to be right associative → = →a|b|c + | → * | → ( ) |
Question 4 Consider the relation R defined on the set Z x Z: R = {((a,b),(c,d)) | a = c (mod 4) a b = d (mod 7)}. Find the equivalence class of (3, 6) with respect to R. Note that Z represents the set of integers. O {a |a = b (mod 4) a a = b (mod 7)} O {a | a = b (mod 4) v a = b (mod 7)} {(a,b) | a = 3 (mod 4) a b = 6 (mod 7)} O {(c,d) | C = d (mod 4) v c = d (mod 7)} O {(a,b) | a = b (mod 4) v a =b (mod 7)} O {a|a = 3 (mod 4) a a = 6 (mod 7)} O {a | a = 3 (mod 4) v a = b (mod 7)} O None of the choices
Create a dfa for L = {w ∈ {a, b}∗|na(w) and nb(w) are both even.}
Convert the following EBNF to BNF: <S> -> <Y> { <Z> } <X> <X> -> x ( + | * | / ) x <Y> -> y { y } <Z> -> <Y> [ z ] w where {, }, (, ), |, [, ] are EBNF metasymbolsterminals are: w, x, y, z, +, *, /nonterminals are: <S>, <X>, <Y>, <Z>start symbol is: <S>
Tick each statement that is valid. Select one or more: a. ¬(C → (D → C)) is unsatisfiable. b. AV-Bv CV DVE V F V¬A is a tautology (¬B → B) → (B → C) is a tautology AV (B → C) v (D → E) v ¬A is a taulogy. e. (U → U) → U is a tautology. P→ Q and¬P ^ Q are logically equivalent g. TVW V-T is a tautology C. f.