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From: ecn-ec:ecn-pc:ecn-ed:vu@pur-ee.UUCP
Newsgroups: net.math
Subject: Re: infinity = -1
Message-ID: <206@ecn-ed.UUCP>
Date: Sat, 17-Sep-83 16:58:35 EDT
Article-I.D.: ecn-ed.206
Posted: Sat Sep 17 16:58:35 1983
Date-Received: Sun, 18-Sep-83 16:42:55 EDT
References: mhuxj.380
Lines: 9


	That is just as dumb as saying: inf = 2 (inf)  ----> inf = 0.
	Of course you cannot cancel "infinity" both sides ! The simple reason
	is that "infinity" is not a number, but merely a short-hand; that is
	saying x(n) ---> inf  [where x is some sequence] is a short hand for
	"For all integer N, there is a natural number n such that |x(n)|>|N|"
	where | | denotes absolute value.

	Hao-Nhien Vu(pur-ee!norris)