Answered: Mathematical logic is a subfield that…

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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1. Mathematical logic is a subfield that considers the analysis of logical propositions for the purpose of verifying whether a statement is true or false. Furthermore, propositions can be simple or compound. In the case of compounds, they must be joined with logical operators. Consider the following simple and compound propositions below. Also consider the “>” sign meaning “greater than”.

( ) It is not true that 11 is an even number

( ) It is not true that 11 is a prime number

( ) (2 + 4 = 6) and (1 > 3)

( ) (2 + 2 = 4) ou (3 + 3 = 7)

( ) Brasília é a capital do Brasil ou 2² = 5

Mark the alternative that shows the sequence of logical values, in order, of each proposition. Consider “T” as “true” and “F” as “false”.

A	V – F – F – V – V

B	F – V – F – V – F

C	V – F – V – F - V

D	F – V – V – V - F

E	V – V – F – V - F

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