Does anybody have any links (besides wikipedia) for beginners? I'm dealing with infinite closed sets and unions of closed sets and opens sets, cantor set, etc.

Pretty green with this stuff.

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- Oct 8th 2009, 02:03 PMbillymSource?
Does anybody have any links (besides wikipedia) for beginners? I'm dealing with infinite closed sets and unions of closed sets and opens sets, cantor set, etc.

Pretty green with this stuff. - Oct 8th 2009, 03:23 PMhatsoff
Wikipedia is a pretty spot-on source for math. In addition, you can check out this page:

Peter Suber, "Infinite Sets"

And you can find free online textbooks with chapters devoted to set theory. Here are two such examples:

http://ramanujan.math.trinity.edu/wt...L_ANALYSIS.PDF

http://www.cosc.brocku.ca/~duentsch/...ethprimer1.pdf