Date: 04/11/2006 at 08:04:09 From: Doctor Rick Subject: Re: definition of even and odd number Hi, Sarah. No problem arises when the definition of even and odd is extended from the positive integers to all integers, so I see no reason not to do so. read more
Then, even numbers mean *positive* even numbers, simply because positive numbers are the only numbers that exist, for the present purpose. But when you ask about a negative number, it is natural to apply the definition to that domain: an even integer is one that can be expressed as the product of 2 with some integer (not only a positive integer). read more
Positive and Negative integers fall under odd or even consideration. I should add 0 is non positive and non negative and it is even. read more