Page history
January 19, 2019
August 15, 2016
July 13, 2016
March 4, 2012
→What is the problem? Aren't rational numbers good enough?: rm untrue statement--the point of supremum of S is that it doesn't have to be in S (like 6 in open interval (3,6))
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add missing quotation mark
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October 18, 2009
As long as we're doing this, show why it is important in topology.
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preface boilerplate, add stuff about connectedness from "rational number". Maybe it's too advanced, but if it belongs anywhere, it belongs here.
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October 16, 2009
Oops^3. How about I look at this page carefully and come back tomorrow? :-)
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Oops^2
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Oops.
mMuch improvement
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October 15, 2009
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July 14, 2008
undo
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→Notes and references
→Notes and references
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Undo revision 489781 by Anjruu (Talk) Put it on the talk page, not in the article
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→Notes and references
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