It can be said that statement P is a necessary condition for statement Q if Q ⇒ P is true. In other words, in order for Q to be true, it is necessary that P must be true. Let x be an integer. Give a necessary but not sufficient condition on x for x+5 to be a prime number. Justify your answer. Note: You should give a condition related to x, but not picking one specific number for x.
It can be said that statement P is a necessary condition for statement Q if Q ⇒ P is true. In other words, in order for Q to be true, it is necessary that P must be true. Let x be an integer. Give a necessary but not sufficient condition on x for x+5 to be a prime number. Justify your answer. Note: You should give a condition related to x, but not picking one specific number for x.
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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3. It can be said that statement P is a necessary condition for statement Q if Q ⇒ P is true. In
other words, in order for Q to be true, it is necessary that P must be true. Let x be an integer.
Give a necessary but not sufficient condition on x for x+5 to be a prime number. Justify
your answer. Note: You should give a condition related to x, but not picking one specific
number for x.
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