Consider the following statement. If n is divisible by 6, then n is divisible by 2 and n is divisible by 3. In (a)–(d) below, select the negation, contrapositive, converse, and inverse for the statement. (Assume that all variables represent fixed quantities or entities, as appropriate.) (a) Negation n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.    If n is divisible by 2 and n is divisible by 3, then n is divisible by 6.If n is not divisible by 6, then n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 6, then n is divisible by 2 and n is divisible by 3. (b) Contrapositive n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.    If n is divisible by 2 and n is divisible by 3, then n is divisible by 6.If n is not divisible by 6, then n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 6, then n is divisible by 2 and n is divisible by 3. (c) Converse n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.    If n is divisible by 2 and n is divisible by 3, then n is divisible by 6.If n is not divisible by 6, then n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 6, then n is divisible by 2 and n is divisible by 3. (d) Inverse n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.    If n is divisible by 2 and n is divisible by 3, then n is divisible by 6.If n is not divisible by 6, then n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 6, then n is divisible by 2 and n is divisible by 3

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
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Consider the following statement.

If n is divisible by 6, then n is divisible by 2 and n is divisible by 3.

In (a)–(d) below, select the negation, contrapositive, converse, and inverse for the statement. (Assume that all variables represent fixed quantities or entities, as appropriate.)

(a)

Negation

n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.    If n is divisible by 2 and n is divisible by 3, then n is divisible by 6.If n is not divisible by 6, then n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 6, then n is divisible by 2 and n is divisible by 3.

(b)

Contrapositive

n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.    If n is divisible by 2 and n is divisible by 3, then n is divisible by 6.If n is not divisible by 6, then n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 6, then n is divisible by 2 and n is divisible by 3.

(c)

Converse

n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.    If n is divisible by 2 and n is divisible by 3, then n is divisible by 6.If n is not divisible by 6, then n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 6, then n is divisible by 2 and n is divisible by 3.

(d)

Inverse

n is divisible by 6 and either n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 2 or n is not divisible by 3, then n is not divisible by 6.    If n is divisible by 2 and n is divisible by 3, then n is divisible by 6.If n is not divisible by 6, then n is not divisible by 2 or n is not divisible by 3.If n is not divisible by 6, then n is divisible by 2 and n is divisible by 3.

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