(a) Given a conditional statement r → p, find the inverse of its converse, and the inverse of it contrapositive. (b) Show that the conditional statements [(p V g) ^ (p → r) ^ (q→ r)] → r is a tautology by using truth tables.

(a) Given a conditional statement r → p, find the inverse of its converse, and the inverse of it contrapositive. (b) Show that the conditional statements [(p V g) ^ (p → r) ^ (q→ r)] → r is a tautology by using truth tables.

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

(a) Given a conditional statement r →p, find the inverse of its converse, and the
inverse of it contrapositive.
(b) Show that the conditional statements [(pVg) ^ (p+r)^(q + r)] → r is a
tautology by using truth tables.

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