The Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Math Forum » Discussions » sci.math.* » sci.math

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: A definition of an infinity, perhaps!?
Replies: 3   Last Post: Oct 6, 2011 2:10 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]

Posts: 34
Registered: 5/19/07
Re: A definition of an infinity, perhaps!?
Posted: Oct 6, 2011 2:10 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Oct 6, 12:11 pm, "Jesse F. Hughes" <> wrote:
> Frisbieinstein <> writes:
> > On Oct 5, 5:27 pm, Alen <> wrote:
> >> The purpose of this post is to try to understand what
> >> might be meant by the concept of 'infinity'.

> > finis = end
> > in-  = not, as in infidelity, inadmissable, insane, etc.
> > -ity  = a condition

> > so infinity is the condition of being without end.
> There are *many* mathematical uses of the term "infinite" that have
> nothing to do with being "without end".  (To take a simple example, the
> set w + 1 is infinite but has both minimal and maximal elements, which I
> suppose means it has two "ends".)
> --
> Jesse F. Hughes
> "To all Leaders of the World, buy or rent the movie 'The Day
> After'[...] I assure you will have a new perspective on WMDs."
>                    -- practical advice from online petitions

The number of elements is without end.

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.