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.

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(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

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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.

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