From: Gregory Brown <gregory.t.brown@...>
Date: 2007-02-21T13:29:02+09:00
Subject: Re: Range#overlap?

On 2/20/07, Suraj Kurapati <snk@gna.org> wrote:
> unknown wrote:
> > I think that overlap? and within? are two different things, which I'm
> > not sure you think from your email. Overlap? suggests, to me, that a
> > subset of the things one range includes is the same as a subset of
> > things that the other range includes. Within? suggests that all of one
> > range is contained in a subset of the other range.
>
> Agreed. These terms evoke the following synonyms in my mind:
>
>   overlap?   means   intersect?
>
>   within?    means   subset?

These are much better names, I think.  Of course, it'll only be so if
you are mathematically inclined.