Is {{}} a valid construct?

From: Neo <neo55592_at_hotmail.com>
Date: 2 Feb 2007 09:17:45 -0800
Message-ID: <1170436665.260056.327550_at_m58g2000cwm.googlegroups.com>



Can an empty set contain an empty set? Is it valid according to set theory? If so, what does it correlate to in the real world? (when last explained to me, I was left holding two empty bags of potatoes but no clear understanding :) Received on Fri Feb 02 2007 - 18:17:45 CET

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