Answered: 2. Given the sets A = {1,2,42}, B =…

2. Given the sets A = {1,2,42}, B = {24,7,1,2}, provide a brief description (prose) and list the elements (explicitly) of: (a) Ax B. (b) {axbla A, be B}. (c) P(A\B) x B.

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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Predicates

A predicate is a function defined with set of variables, which returns the result True or False. The output of a predicate is a Boolean value as a response when given a set of parameters:

Question

2.
Given the sets A = {1,2,42}, B
=
(24,7,1,2}, provide a brief description
(prose) and list the elements (explicitly) of:
(a) A x B.
(b) {ax bla EA, be B}.
(c) P(A\B) x B.

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