RE: [math-fun] high school mathematics

I have seen various college texts that define natural numbers to be the integers > 0, and others the integers >= 0. I'm fairly certain, that, in middle school, we were taught that the natural numbers were positive. BC -----Original Message----- From: math-fun-bounces+cordwell=sandia.gov@mailman.xmission.com [mailto:math-fun-bounces+cordwell=sandia.gov@mailman.xmission.com]On Behalf Of Henry Baker Sent: Monday, April 10, 2006 12:47 PM To: James Propp Cc: math-fun@mailman.xmission.com Subject: Re: [math-fun] high school mathematics Unfortunately, I haven't found mathematicians in college to necessarily be any more punctilious than those in high school when it comes to universal agreement on terminology.