# Re: Superset <=> subset

Ian Goddard (igoddard@erols.com)
Thu, 26 Sep 1996 20:29:02 -0400

At 10:20 PM 9/26/96 +0100, Sarah Marr wrote:

>OK so:
>
>>We might call this universal area, the "Super-red-box."
>
>We might do, but remember you require a 'not-super-red-box' otherwise the
>'super-red-box' cannot exist. Since you posit that the not-red-box is
>everything but the red box, then the 'super-red-box' must be everything,
>since it is red-box and not-red-box. So what, then, is the
>'not-super-red-box'? Your logical definition is iterative but is bounded
>on its first iteration. Huh?

IAN: There can be only A -- such as "super-red-box" --
where A possesses at least two contrasting features.

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