A= B if and only if : * A is subset from B and B is not subset from A A is not subset from B and B is subset from A A is subset from B and B ist subset from A if p - q and - p V q is logically. ." equivalent not equivalent tautologically Other:

A= B if and only if : * A is subset from B and B is not subset from A A is not subset from B and B is subset from A A is subset from B and B ist subset from A if p - q and - p V q is logically. ." equivalent not equivalent tautologically Other:

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= B if and only if : *
A is subset from B and B is not
subset from A
A is not subset from B and B is
subset from A
A is subset from B and B ist subset
from A
if p
q and -p V q is
logically..
equivalent
not equivalent
tautologically
Other:

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