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Re: Thinking about MINUS

From: Aloha Kakuikanu <aloha.kakuikanu_at_yahoo.com>
Date: 8 Jan 2007 10:00:43 -0800
Message-ID: <1168279243.719677.219240@42g2000cwt.googlegroups.com> 






DBMS_Plumber wrote:


> Marshall wrote:

> > Even if we consider a system consisting only of the natural numbers,

> > zero, successor and predecessor, we have to wrestle with the question

> > of what the predecessor of zero is.

>

> Zero is not an element of the domain of natural numbers.




It certainly is.
Received on Mon Jan 08 2007 - 12:00:43 CST












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